Answer and explanation
CFLs are up to four times more efficient than incandescent bulbs. You can replace a 100-watt incandescent bulb with a 22-watt CFL and get the same amount of light. CFLs use 50- to 80-percent less energy than incandescent lights. This positovely contributes to the environment.
If less energy is produced, it means less carbon dioxide emissions, thus less environmental pollution.
Indicate whether each of the following occurs mainly in G1 phase (G), S phase (S), or G2 phase (H) of the cell cycle. Your answer would be a four-letter string composed of letters G, S, and H only, e.g. HGSS. ( ) DNA helicase activation ( ) DNA helicase deposition on DNA at the replication origins ( ) ORC phosphorylation ( ) Licensing of replication origins
Answer:
the answer is S-G-S-G
Explanation:
DNA helicases are enzymes that catalyze the unwinding of the double DNA helix in order to form a replication fork at the origin of replication (i.e., the site where DNA replication starts). DNA replication occurs in a bi-directional manner by two replication forks that move in opposite directions in order to form a replication bubble. The origin of replication is formed during the transition from mitosis to G1 when they are licensed for the subsequent S phase. The origin recognition complex (ORC) is a DNA binding complex that binds to the origin of replication, whose function is to act as a scaffold for the assembly of initiation factors. ORC is phosphorylated during the beginning of the S phase in order to dissociate this complex from chromatin.
What is a solution's absorbance, if its molarity is 0.25M?
The molar absorbtivity constant at 560 nm for this substance is 0.3 M⁻¹cm⁻¹.
The absorbance of the solution is 0.45, the concentration would be 1.5 M.
What is the molar absorbtivity constant?The molar absorbtivity constant is a measure of the ability of a substance to absorb light at a specific wavelength. It is related to the absorbance of a solution by the Beer-Lambert law:
A = ε * b * c
where;
A is the absorbance,ε is the molar absorbtivity constant,b is the path length of the cuvette (in this case, 1 cm), andc is the concentration of the solution.Rearranging the equation to solve for ε:
ε = A / (b * c)
Substituting the values from the question, we have:
ε = 0.075 / (1 cm * 0.25 M)
ε = 0.3 M⁻¹cm⁻¹
(b) To find the concentration if the absorbance is 0.45, we can use the Beer-Lambert law:
A = ε * b * c
Rearranging the equation to solve for c:
c = A / (ε * b)
Plugging in the values from the question and using the value of ε found in (a), we have:
c = 0.45 / (0.3 * 1)
c = 1.5 M
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Complete questions:
A 0.25 M solution is in a tube of path length of 1 cm, has an absorbance = 0.075 at 560 nm.(20)
(a) What is the molar absorbtivity constant (b) What is the concentration if absorbance is 0.45
Red–green color blindness is an X‑linked recessive trait in humans. Polydactyly (extra fingers and toes) is an autosomal dominant trait. Martha has normal fingers and toes and normal color vision. Her mother is normal in all respects, but her father is color blind and polydactylous. Bill is color blind and polydactylous. His mother has normal color vision and normal fingers and toes. When answering the given question, consider that the answers include the proportions of only some of the possible phenotypes; other phenotypes are also expected to occur but are not included. If Bill and Martha marry, what proportions of children with specific phenotypes would they be expected to produce? 1/4 color‑blind girls with normal fingers, 1/4 boys with normal vision and polydactyly 1/8 color‑blind girls with polydactyly, 1/8 boys with normal vision and normal fingers 1/8 color‑blind girls with normal fingers, 1/4 boys with normal vision and polydactyly 1/4 girls with normal vision and polydactyly, 1/8 boys with normal vision and polydactyly
Answer:
B) 1/8 color blind girls with polydactyly, 1/8 boys with normal vision and normal fingers
Explanation:
Available data:
•Red–green color blindness is an X linked recessive trait in humans (expressed by Xb allele)
•Polydactyly (extra fingers and toes) is an autosomal dominant trait (Expressed by P allele)
•Martha has normal fingers and toes and normal color vision. (pp XB-)
•Her mother is normal in all respects (pp XB-)
•Her father is color blind and polydactylous (P- Xb Y)
•Bill is color blind and polydactylous. (P- - Xb Y)
•His mother has normal color vision and normal fingers and toes. (pp XB-)
Martha´s parents cross:
(mother) pp XB- x Pp Xb Y (father)
(Martha) pp XB Xb
For the Polydactyly trait, Martha received one allele from her mother and one allele from her father. Her mother was normal, pp, and her father was Polydactylous. Martha is normal. As Polydactyly is a dominant trait, Martha must have received a recessive allele from both her parents. This means that her father was heterozygous for the trait. For the blindness trait, she also got an X chromosome form her mother and one from her father. Her father was blind so he gave Martha a Xb. Her mother was normal, and so Martha, so her mother gave her a XBBill´s parents cross:
(mother) pp XB Xb - x P- X-Y (father)
(Bill) Pp Xb Y
For the Polydactyly trait, Bill received one allele from his mother and one allele from his father. His mother was normal, pp, and Bill is Polydactylous, which means his father gave him the P allele. This means that his father was Polydactylous too. For the blindness trait, he also got an X chromosome form her mother and Y chromosome from his father. Bill is blind so got a Xb from his mother, which means that his mother ws heterozygous for the trait.Martha and Bill´s cross:
Parental) pp XB Xb x Pp Xb Y
Gametes) p XB , p XB , p Xb , p Xb
P Xb , p Xb , P Y , pY
Punnet Square)
p XB p XB p Xb p Xb
P Xb Pp XB Xb Pp XB Xb Pp XbXb Pp XbXb
p Xb pp XB Xb pp XB Xb pp Xb Xb pp XbXb
P Y Pp XBY Pp XB Y Pp Xb Y Pp Xb Y
pY pp XB Y pp XB Y pp Xb Y pp Xb Y
F1) 8/16 female
2/8 = ¼ polydactylous and normal-sighted females, Pp XB Xb
2/8 = ¼ polydactylous and blind females, Pp XbXb
2/8 = ¼ normal females, pp XB Xb
2/8 = ¼ normal fingers and toes and blind females, pp XbXb
8/16 male
2/8 = ¼ polydactylous and normal-sighted males, Pp XB Y
2/8 = ¼ polydactylous and blind males, Pp XbY
2/8 = ¼ normal males, pp XB Y
2/8 = ¼ normal fingers and toes and blind males, pp XbY
What proportions of children with specific phenotypes would they be expected to produce?
A) 1/4 color blind girls with normal fingers, 1/4 boys with normal vision and polydactyly
B) 1/8 color blind girls with polydactyly, 1/8 boys with normal vision and normal fingers
C) 1/8 color blind girls with normal fingers, 1/4 boys with normal vision and polydactyly
D) 1/4 girls with normal vision and polydactyly, 1/8 boys with normal vision and polydactyly
• 1/8 color blind girls with polydactyly (Pp XbXb)
Of the whole progeny, only two female individuals are color blind girls and polydactyous,
This is 2/16 = 1/8 Pp XbXb
• 1/8 boys with normal vision and normal fingers (pp XBY)
Of the whole progeny, only two male individuals have normal vision and normal fingers
This is 2/16 = 1/8 pp XBY
Rank the terms describing genetic material in descending order, from largest to smallest.
The sequence of the terms describing genetic material in descending order, from largest to smallest is:
Genome > Homologous pair of chromosomes > A single DNA molecule > a gene for hair color.
What is Genetic material?The genetic material of an organism may be defined as a molecule that stores the genetic information associated with the organism and passes it from one generation to the next.
The genome comprises all the genes in an organism. Such genes are located or found on the chromosomes that long DNA molecules associated with proteins. A gene is any stretch that is found on a DNA molecule that carries several different deviations.
Therefore, it is well described above.
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Are different dog breeds different species? Why or why not?
Answer:
They are the same species.
Explanation:
Full question: How come some similar animals are different species, while with domestic dogs, wildly dissimilar types are considered different breeds?
-- Z. Kornberg, Jerusalem
Michael Bruford, a professor of biological sciences at Cardiff University in Wales, explains the thought process behind this seeming double standard.
Scientists have been distinguishing between species on the basis of how they look, behave or live since recorded history began. However, two famous scientists stand out in terms of how we perceive species differences today: Carl Linnaeus, an 18th-century Swedish naturalist, and Charles Darwin. Linnaeus was the first person to formulate a single approach for describing species in a hierarchical manner according to their similarity, using his binomial nomenclature of genus followed by species (Homo sapiens, for instance). Darwin was among the first people, and certainly the most celebrated among them, to develop a credible theory on how species evolve (via natural selection). Both of these scientists' insights underpin most of what modern science utilizes when studying species and speciation.
Currently species are still primarily distinguished by their appearance, but it is becoming very clear that looks don't always tell us all we need to know about whether two organisms are different. Many so-called cryptic species exist that, to the untrained eye, look very similar or even identical to another organism--commonly found, for example, in nocturnal mammals such as bats and bush babies. If the two mated, however, they may never be able to produce viable offspring; this, in fact, is the primary criterion for dividing similar organisms into different species. Because of these red herrings--and also because the process of describing species is very long and labor-intensive--scientists are increasingly turning to DNA to assist them in identifying and describing species.
What are matching genes called?
the matching genes are called as homozygous
Humans, in general, have the same genes. A number of genes differ. These are in charge of our physical characteristics and health. Each variation is referred to as an allele. For each gene, you inherit two alleles. One is inherited from your biological mother and one from your biological father. If the genotypes are similar, users are homozygous for just that specific gene. having the same allele at the same locus on both members of a homologous pair of chromosomes A homozygous genotype is one that has two identical alleles of a gene for a specific trait. A person can be homozygous dominant (AA) or homozygous recessive (AR).
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all of the following are part of the benthic community except
A - crabs
B - lobsters
C - undersea snails
D - bottom feeding fish
Answer:
D, bottom feeding fish.
Explanation:
:)
You are taking a walk in the woods and come across a strange young tree . A much larger tree had fallen on the young tree some time ago, pushing the trunk of the young tree all the way to the ground, but the young tree is still growing. Describe how this strange young tree might look .
Answer:
Based on your description, the strange young tree may exhibit several unique physical features due to the large tree that fell on it. Here are a few possible characteristics that you might observe:
Bent Trunk: The trunk of the young tree would be bent or curved towards the ground, where it would have been pushed by the weight of the fallen tree. This could create a distinctive arc or U-shape in the trunk, giving it a unique appearance.
Uneven Bark: The bark of the young tree might be compressed or crushed where it was in contact with the fallen tree, while other parts of the trunk could be relatively untouched. This could create an uneven texture or pattern in the bark, with some areas appearing smoother or flatter than others.
Angled Branches: The branches of the young tree might grow at an angle, rather than perpendicular to the trunk, as they attempt to find light and space in the forest canopy. Depending on the severity of the tree's bending, some branches may even grow downwards before turning upwards towards the sky.
Crooked Roots: The roots of the young tree may also be twisted or bent due to the impact of the fallen tree. This could affect the stability of the tree, as it tries to anchor itself in the soil with an irregular root system.
Overall, the strange young tree that you've come across in the woods would likely be a fascinating example of nature's resilience and adaptation in the face of adversity.
Explanation:
What is the correct concept map showing the neural pathway of a sensory impulse from the forearm to the spinal cord?
1) Stimulus -> Dorsal ramus -> Spinal nerve -> Dorsal root ganglion -> Dorsal root ->
Posterior gray horn -> Somatic sensory
2) Stimulus -> Ventral ramus -> Spinal nerve -> Dorsal root ganglion -> Dorsal root ->
Posterior gray horn -> Somatic sensory
3) Stimulus -> Dorsal ramus -> Spinal nerve -> Vental root -> Anterior gray horn ->
Somatic motor
(HELP NEEDED ASAP. I REALLY APPRECIATE IT. THANK U SO MUCH)
Answer:
The correct answer is (A). Stimulus travels as a nerve signal on a nerve fiber. EDIT: Answer B
Explanation:
Where is the safest place to take shelter in a tornado?
a basement
a bedroom
a car
a yard
Answer: A basement!
Explanation: The other options would be much riskier than being in a basement. A basement keeps you below ground away from the tornado itself or any debris.
The safest place to take shelter in a tornado is the basement.
The correct option is a.
What is a tornado?A tornado is a violently rotating air, that cause so much live harm and things.
It can totally destroy big buildings to uprooting plants.
When tornado came, we must hide in a safe place where the tornado can not reach.
There are three types of tornado
Multiple vortex tornado.Land spout.WaterspoutThus, the correct option is a, basement.
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Which of the following is not a factor that might bring a seed out of dormancy?
A. an increasing number of daylight hours
B. drought-like conditions
C. mild temperatures
D. ideal amounts of rain
Answer:
It's option B (Drought like conditions)
Hope this helps u.... ^_^❤️Answer:
B
Explanation:
A seed needs light, rain, and good temperatures, but a drought wont do anything but keep the seed in dormancy.
Without oxygen, which of the following could not occur in cellular respiration?
Responses
the creation of some ATP through fermentation
oxidative phosphorylation of ATP
the recycling of NADH to NAD+
the formation of lactate from pyruvate
The oxidative phosphorylation of ATP could not occur in cellular respiration without oxygen because oxygen is the last electron acceptor in the electron transport chain.
What is the process of the electron transport chain?The process of the electron transport chain refers to a key issue in oxidative phosphorylation (the third stage of cellular respiration), which is used to create ATP.
Therefore, with this data, we can see that the process of the electron transport chain is required to produce ATP during cellular respiration and oxygen is the electron acceptor of this process.
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Which part of a plant begins the reproductive process to allow the plant to spread and grow new plants? (1 point)
O stems
O leaves
O flowers
O Roots
Answer:
The answer would be the flowers
Explanation:
The flowers have pollen in or on them that bees, wasps, and butterflies pick up while drinking nectar. The pollen is eggs and is spread from flower to flower.
Flowers is a part of plant to begins the reproductive process to allow the plant to spread and grow new plants.
What is flower?Pollination, the act of sexual reproduction in flowering plants, is how it happens. Stamens, the male sex organ, and pistils, the female sex organ, are found in flowers.
The portion of the stamen that carries pollen is called the anther. The male gametes are found in pollen. For reproduction to occur, pollen must be transferred to the stigma, a region of the pistil.
When a plant's own pollen nourishes its own ovules, self-pollination occurs. When animals or the wind carry pollen from one plant to another, cross-pollination occurs.
Cross-pollination has the benefit of preserving a species' genetic diversity. When environmental conditions change and organisms must adapt, genetic variety is useful. Some plant characteristics really work to stop self-pollination.
Therefore, Flowers is a part of plant to begins the reproductive process to allow the plant to spread and grow new plants.
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the esophagus connects the
Answer:
The esophagus connects the throat with the stomach, and is used to carry food and liquid from your mouth down to the Gastric.
~
Although Domain Bacteria is very diverse, bacteria do share some basic characteristics. Which of the following are some of those shared characteristics?
Question 4 options:
Bacteria are surrounded by a a strong cell wall made of a molecule called peptidoglycan.
Bacteria are eukaryotes.
Bacteria are prokaryotes.
Their DNA is one single, circular chromosome
Answer:
Bacteria are eukaryotes
They have a single DNA,circular chromosome
Explanation:
It's their basic characteristics that they share .
Which is a biotic factor?
Answer:
a living organism that shapes its environment
Explanation:
hope this helps
If purple flowers (P) are dominant to white flowers (p) in pea plants, what wouldthe phenotype be of an individual with the genotype: homozygous dominant?O PurpleWhiteO PinkO Red
If purple flowers (P) are dominant to white flowers (p) in pea plants, the phenotype of an individual with an homozygous dominant genotype (PP) would be: Purple.
Being homozygous, there is only one possible allele to be expressed and define the characteristics of the trait, independently of the relationship between alleles.
Two gases that plants must exchange with the air are: a. oxygen and nitrogen. b. oxygen and carbon dioxide. c. carbon dioxide and nitrogen. d. carbon dioxide and carbon monoxide.
i belive it is B. oxygen and carbon dioxide
Plants use carbon dioxide for photosynthesis and oxygen is a product of photosynthesis.
The two gases that plants must exchange with the air are oxygen and carbon dioxide. Oxygen is required for respiration while carbon dioxide is required for photosynthesis. The exchange of these gases is essential for the survival of plants and for maintaining the balance of gases in the atmosphere. Option B)
The two gases that plants must exchange with the air are oxygen and carbon dioxide. Plants consume carbon dioxide during photosynthesis and release oxygen back into the atmosphere. This process of photosynthesis occurs in the chloroplasts of the leaves and involves the absorption of sunlight and conversion of carbon dioxide and water into glucose and oxygen.
In the process of respiration, plants use oxygen to break down glucose and release energy. The waste product of respiration is carbon dioxide, which is released back into the atmosphere. This exchange of gases is vital for the survival of plants as well as for maintaining the balance of gases in the atmosphere.
Oxygen is important for the survival of all living organisms, including plants. It is required for respiration, which is the process of releasing energy from food. Carbon dioxide, on the other hand, is a waste product of respiration and is required for photosynthesis. The exchange of these two gases between plants and the atmosphere is essential for the survival of both. Therefore option B) is correct.
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I NEEDDD HELP LIKE RIGHT NOW ITS SIMPLE
What is the best description of originality?
nonobvious
special or interesting
convergent
having a low probability, unique
The best description of originality is having a low probability, unique, option D is correct.
Originality refers to the quality of being novel and distinctive, and it implies that something is not derived from anything else. The more unique and uncommon an idea, creation, or expression is, the more original it is deemed to be. Originality can be measured by the probability of its occurrence.
The lower the probability of an idea or creation being generated, the more original it is. A highly original idea is not only new but also unexpected and unconventional, which makes it stand out from the norm. Originality is highly valued in fields such as art, literature, science, and technology, as it contributes to the advancement of knowledge and understanding, option D is correct.
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The correct question is:
What is the best description of originality?
A) nonobvious
B) special or interesting
C) convergent
D) having a low probability, unique
There are three sources of genetic variation in sexual reproduction. Determine which of the following statements accurately describes which of these are considered random and which are not
Genetic recombination and independent assortment are considered random sources of genetic variation, while mutations can occur randomly or due to specific factors.
In sexual reproduction, the three sources of genetic variation are genetic recombination, independent assortment, and random mutations. Among these sources, genetic recombination and independent assortment are considered random processes, while mutations are not entirely random.Genetic recombination occurs during meiosis when homologous chromosomes exchange genetic material through crossing over. This process is considered random as the precise locations where recombination events occur are unpredictable.Independent assortment refers to the random alignment and separation of homologous chromosomes during meiosis I. The random positioning of maternal and paternal chromosomes contributes to genetic diversity in offspring.On the other hand, mutations are not entirely random as they can be influenced by various factors such as exposure to mutagens or errors in DNA replication. However, the specific mutations that occur at particular loci are generally considered random events.Therefore, the accurate statement would be that genetic recombination and independent assortment are considered random sources of genetic variation, while mutations are influenced by both random and non-random factors.For more such questions on Genetic variation:
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You are given four test tubes containing purified biological macromolecules. The test tubes are unlabeled except for a number between 1 and 4. You are told that one test tube contains a protein, one contains a lipid, one contains a carbohydrate, and one contains a nucleic acid. You then perform some tests on the macromolecules and collect the following information:
1) Test tubes #2 and #4 contain nitrogen, but the other tubes do not.
2) The contents of test tube #3 are not soluble in water, but the contents of the other test tubes are soluble in water.
3) The contents of test tube #1 can be broken down into subunits that are all exactly identical to each other.
4) The macromolecule in test tube #2 is found to have a globular shape.
What are the identities of the macromolecules present in the four test tubes?
Answer:
#1:carbohydrate
#2:protein
#3:lipid
#4:nucleic acid
Explanation:
1) Test tubes #2 and #4 contain nitrogen, but the other tubes do not.
->we can infer that Tube #2 and #4 are amino acid(protein) and nucleic acid, because there is nitrogen amine group of protein and nitrogenous sugar base in nucleic acids.
->That means Tube #1 and # 3 are carbohydrates and lipid (actually some could have nitrogen).
2) The contents of test tube #3 are not soluble in water, but the contents of the other test tubes are soluble in water.
->We can infer that Tube # 3 is lipid, because lipids has long hydrocarbon chains often without hydrogen bonding(making it insoluble in water most of the time)
->We can then infer that Tube # 1 is carbohydrate
3) The contents of test tube #1 can be broken down into subunits that are all exactly identical to each other.
->We already know that Tube #1 is carbohydrate already which can be gone through hydrolysis reaction to divide to monosaccharides (this also can be somewhat not true because different monosaccharides can be linked).
4) The macromolecule in test tube #2 is found to have a globular shape.
->uncondensed DNA in A-,B-,Z- form will generally look like double helix. So we can infer that Tube #2 has protein(that are folded like "globular" tertiary and quaternary structure. Making #4 remaining nucleic acid
Which term describes a prokaryote?
A. stem cell
B. unicellular
C. eukaryotic
D. specialized
eukaryotic is the answer
mars facts and talk about mars
Answer:
Mars is a planet. It is the fourth planet from the Sun. It is the next planet beyond Earth. Mars is more than 142 million miles from the Sun. The planet is about half the size of Earth. A day on Mars is 24.6 hours. A year on Mars is 687 Earth days. Mars is known as the Red Planet. It is red because the soil looks like rusty iron. Mars has two small moons. Their names are Phobos and Deimos.
1) Named after the Roman God of war, Mars is the fourth planet from the sun in our solar system.
2) Mars is also known as the ‘Red Planet’ because, well, it’s red! This signature colour comes from the large amount of a chemical called iron oxide (or ‘rust’ as you might know it) in its rocks and soil.
3) Mars is the second smallest planet in the solar system after Mercury. With a diameter (distance through the middle) of 6,791 kilometres, it’s roughly half the size of Earth.
4) It can get pretty cold on Mars –– much colder than our own planet, since it’s further away from the sun. At the equator, temperatures can reach 20°C, but at its poles they can plummet to as low as -140°C.
5) Mars is home to the highest mountain in our solar system –– a volcano called Olympus Mons. Standing a whopping 24 kilometres high, it’s about three times the height of Mount Everest!
6)You could jump around three times higher on Mars than you can on Earth. This is because the planet’s gravity – the force that keeps us on the ground – is much weaker.
Hope it helps!!!!
Mark it as brainliest!!
Answer:
mars is the fourth planet from the sun.
its surface is made of iron oxide which gives it a red colour.
there are pieces of mars on earth, a Martian meteorite.
mars is the name of the Roman god of war and is often referred to as the "Red Planet"
the tallest mountain in the solar system is on mars.
research has shown signs of ancient floods on Mars but now water mostly exists in icy dirt and thin clouds.
mars has 2 moons, phobos and deimos. They are named for the greek god Phobos and deimos, sons of Ares and personification of fear.
You are working with an acute slice of mammalian hippocampus in a bath of artificial cerebrospinal fluid In your first experiment, you stimulate the mossy fiber projection with an extremely strong stimulus while patch clamp recording from the postsynaptic neuron. When the presynaptic axons are electrically stimulated, which of the following sequence of events occurs?
a. Opening of voltage gated calcium channels in CA1 neuron dendrites, release of glutamate containing vesicles into the synapse, potassium influx in CA3 neuron
b. Opening of voltage gated sodium channels in dentate gyrus axons, fusion of GABA containing vesicles with the presynaptic membrane, opening of GABA-gated ion channels, chloride influx into CA3 neurons
c. Opening of voltage gated calcium channels in CA3 neuron axons, fusion of glutamate containing vesicles to the presynaptic membrane, opening of voltage gated sodium channels in CA1 neuron dendrites, sodium influx into CA1 neurons
d. Opening of voltage gated calcium channels in dentate gyrus axons, fusion of glutamate containing vesicles to the presynaptic membrane, opening of AMPA receptors in CA3 neuron dendrites, sodium influx into CA3 neurons
Answer:
d. Opening of voltage gated calcium channels in dentate gyrus axons, fusion of glutamate containing vesicles to the presynaptic membrane, opening of AMPA receptors in CA3 neuron dendrites, sodium influx into CA3 neurons.
Explanation:
From the little information given above in the excerpts, it could be seen that, the sequence of events that would occur when the mossy fiber is stimulated with an extremely strong stimulus is what was given above.
How does artificial selection differ from natural selection? Select all that apply.
A. During artificial selection, the mating pairs are selected by humans, not the organisms.
B. The outcomes of artificial selection are predictable.
C. Artificial selection requires variety in a population.
D. Artificial selection does not help a population adapt to its environment.
Answer: A
Explanation:
Artificial selection is the process by which humans choose individual organisms with certain phenotypic trait values for breeding.
what's a trait that can possibly mask another trait
Answer:
recessive
Explanation:
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A
What is copyright all about?The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.
When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.
This permission can take the form of a license or contract that outlin the tems under which the work can be used.
The above answer is in response to the full question below;
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
A. Copyright
B. Fair use
C. Freedom of information
D. Intellectual freedom
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Trait X is dominant to x. if you cross a homozygous dominant parent with a heterozygous parent , what is the chance that the offspring will express the recessive trait?
Answer:
50% chances
Explanation:
Here trait X is dominant to x, so alleles of homozygous dominant parent will be XX and alleles for heterozygous parent will be Xx.
When homozygous dominant parent will be crossed with heterozygous parent, the result will be XX, XX, Xx and Xx. There are total four offspring out them two offspring express the recessive trait.
Hence, there are 50% chances that the offspring will express the recessive trait.
50 Points, at least 1-3 sentences.
how do the skulls of early ancestors compare to modern-day human skulls?
Answer:
Daniel Lieberman can see millions of years of human evolution at a glance. The collection of skulls on his office shelves come from chimpanzees, long-extinct humans, and modern men and women. The hollow eye sockets, ancient teeth, and empty skulls pose the same question every day: What made us different from our archaic ancestors?
Explanation:
i hope this helps.
How much force is needed to accelerate a 200 kg skier at 2 m/sec2?
Answer:
400 Newtons.
Explanation:
F=m*a
m = 200 kg
a = 2 m/s^2
F = 200 * 2
F = 400 N
Answer:
mass = 200 kg
acceleration = 2 m/sec^2
force = mass × acceleration = 200 × 2 = 400 Newton = 400N