Answer:
Competition among nectar- and pollen-feeding invertebrate pollinators and resource partitioning are affected by introduced Africanized Honey Bees. When Africanized Honey Bees compete with other species of honey bees for flowers, the Africanized bees may displace the other bees from the food sources.
succinct. Leaves out which type of chromosomes would
come from each parent
unrelated details.
Draw three zygote (fertilized egg) cells based off the parent cells shown below. Two of
the zygotes should be identical twins while the third should be a sibling. Label all parts
of your diagram.
66XXX
!!!!
MOM
DAD
Edit View Insert Format Tools Table
12pt Paragraph BIUA 2 T²00
Help pls!!!
During meiotic events, a germ cell divides and produces 4 gametes. During fertilization events, each parent provides one gamete, and they merge and produce a new diploid cell (zygote). In the attached files you will find the image with the answer.
What are meiosis and fertilization?Meiosis is the cell division process that follows the interphase and produces gametes from germ cells.
Through Meiosis, a diploid germ cell (2n) produces four haploid daughter cells (n), the gametes. After the interphase, during which occurs DNA replication, there are two meiotic phases.
The first one is a reductive phase, in which homologous chromosomes separate. Cells divide and pass from 2n diploid cell to n haploid cells. In the second phase, the cell suffers a new, not reductive division. chromatid sister separate. The resulting cells are haploid.Crossing-over and independent segregation during meiosis is what introduces genetic variation.
Fertilization is the process thrugh which gametes from both parents (one gamete provided by each parent) randomly merge and produce the zygotes, which are new diploid cells.
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a father affected with hemophilia a, whose wife is unaffected, will pass on the defective gene to:
The father affected with hemophilia A will pass the defective gene to all of his daughters, who will be carriers of the disease. His sons have a 50% chance of inheriting the disease.
Hemophilia A is an X-linked recessive genetic disorder, which means that the gene responsible for the disease is located on the X chromosome.
Females have two X chromosomes, while males have one X and one Y chromosome. If a female inherits a defective gene on one of her X chromosomes, she is considered a carrier of the disease. If a male inherits a defective gene on his X chromosome, he will have hemophilia A.
In this case, the father affected with hemophilia A will pass his defective X chromosome to all of his daughters, who will be carriers of the disease. His sons have a 50% chance of inheriting the defective X chromosome and having hemophilia A.
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According to Chargoff rule, if a sample of DNA is 32% Adenine, what is the percentage of Guanine?
Answer:
18%
Explanation:
Chargaff's rule states that A = T and C = G
The equation for this must be A + C = T + G
A and T should both be .32 since they're equal
--> .32 + C = .32 + G
Both sides must equal each other by .50
.50 - .32 = .18
.18 × 100 = 18% Guanine and also 18% Cytosine
need help :( cause im a little slow at the moment
Answer:
2 kg of fertilizer
Explanation:
The graph below shows my work. Good luck with your test, you've got this!!
1. what is gliding joint?
Answer:
The unique, flat shape of the articulating surfaces in a gliding joint let the bones slide over one another, often allowing a large range of motion. These joints are present in the spine, wrist, foot, and the clavicle.
Explanation:
Explanation:
i hope it helps on you
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Could someone help me with this???
Answer:
A covalent
Explanation:
why do you think bacteria cannot be used to produce complex proteins, such as spider silk? please choose the correct answer from the following choices, and then select the submit answer button. answer choices the proteins bacteria produce are not as complex as human proteins. bacteria are unable to handle the amino acids used to build human proteins. human dna cannot be spliced into bacterial chromosomes. bacteria use a different genetic code.
The correct option is B, Bacteria cannot be used to produce complex proteins, such as spider silk bacteria are unable to handle the amino acids used to build human proteins.
Bacteria are single-celled microorganisms that belong to the domain of prokaryotes. They are found in virtually every environment on Earth, from soil to water to the human body. They have a wide range of shapes, including spherical, rod-shaped, and spiral, and can form colonies or biofilms.
Bacteria play crucial roles in the ecosystem, serving as decomposers, nitrogen fixers, and producers of food and oxygen. Some bacteria are beneficial to humans, such as those that live in the gut and aid in digestion, while others can cause disease. Bacteria reproduce through a process called binary fission, in which a single cell divides into two identical daughter cells. They can also exchange genetic material through horizontal bacteria cannot be used to produce complex proteins, such as spider silk, allowing them to adapt quickly to changing environments and acquire new traits.
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Complete Question:
why do you think bacteria cannot be used to produce complex proteins, such as spider silk? please choose the correct answer from the following choices, and then select the submit answer button. answer choices
A). the proteins bacteria produce are not as complex as human proteins.
B). bacteria are unable to handle the amino acids used to build human proteins.
C). human DNA cannot be spliced into bacterial chromosomes.
D). bacteria use a different genetic code.
If one plant is named Salvia greggii and another is named Salvia vanhouttei, what does this tell you about these plants?
A.) They belong to the same genus and can interbreed.
B.) They belong to the same genus and to different species.
C.) They belong to the same species and to different genuses.
D.) They belong to the same species and can interbreed.
Answer:
They belong to the same species and to different genuses.
Explanation:
HELP ME I WILL GIVE YOU BRAINLIEST
1- Which of the following is the best evidence that two birds belong to the same species?
A. The two birds eat the same food.
B. The two birds have common behaviors.
C. The two birds are the same size and color.
D. The two birds mate and produce fertile offspring.
How is in an organism's ability to produce offspring affected by changes to a chromosome?
Answer:
The ability of an organism to reproduce sexually is due to presence of aex cells.
Explanation:
In this case ,if there is any matation in the sex cells or change in the DNA ,then reproduction is affected, particularly the offspring
1. Which resource would best be categorized as inexhaustible?
a. oil reserves
b. fisheries
c. solar energy
d. forests
e. coal reserves
Answer:C
Explanation:
The Sun will illuminate us for billions years whereas the rest of the answer choices can be exhausted and used up completely.
Solar Energy would best be categorized as inexhaustible. So, the correct option is (C).
What are Renewable and Non-Renewable resources?Resources are divided as renewable or non-renewable. A renewable resource can renew itself at the rate it is used, while a non-renewable resource has a limited supply. Examples of renewable resources are timber, wind and solar while non-renewable resources are coal and natural gas.
Renewable energy is the energy which can be used repeatedly and it is renewed again after a short period of time which is defined as the type of energy resources that can be renewed naturally. Renewable sources of energy can replace the conventional sources of energy which produce harmful gases which are harmful as well as costly.
Non-renewable resources are those which cannot be reused or reproduced, it is used only once and takes a long time to reproduce. These are also not good for the environment. Burning fossil fuels harms our environment.
Thus, Solar Energy would best be categorized as inexhaustible. So, the correct option is (C).
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Which of the following statements is true?
Flowering plants reproduce using spores.
Some plants cannot reproduce.
Mitosis results in two non-identical cells.
Pollen contains male sperm cells.
Nectar is a sugar laden liquid that is very energetically expensive to produce. Why do plants allocate resources to produce it instead of just producing more flowers?A. Nectar is sticky and traps wind borne pollen.B. Nectar provides energy during pollen tube formation.C. Nectar serves as an enticement for insects.D. Nectar provides nutrition to the developing embryo.
Nectar is used by plants to attract insects that will provide the flower pollen or to help the flower to disperse its pollen.
C. Nectar serves as an enticement for insects.
2. What type of waves does light travel in? A.Transverse waves
B.Longitudinal waves
Answer:
hey there!Explanation:
the answer is option A.transverse waves
hope it helped and have a great day!This genotype represents which of the following phenotypes?
Genotype: AaBBCcDdXºXºSswwTT
a) black, white underparts, not agouti, female
b) black, white underparts, agouti/tiger, female
c) black, white underparts, agouti/tiger, male
The given genotypes represent black and white underparts, agouti/tiger, and female, So the correct option is Option B.
Genotype refers to the entirety of a person’s genetic makeup. It’s often used to describe a subset of alleles at one or a few specific loci.
A person’s genotype is the sequence of DNA that uniquely identifies a person’s genetic makeup. The term genotype is used to describe the two alleles that a person inherits for a specific gene. Phenotype – a patient’s clinical presentation – is the measurable expression of that genotype. The genotypic ratio is the percentage of a genotype that would be present in the progeny following a test cross.
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its so true tho XXXXXDDDDD
Answer:
Bruh ong lol
Explanation:
Answer:
hahahah lol
Explanation:
The X chromosome in human cells consists of 20MB of information encoded on N=1.6×10 8
base-pairs in a DNA double helix molecule. The information is processed as mechanisms open one end of the double helix molecule and break base-pair bonds. Assume the opposite end remains closed and energy ε is needed to break a single base-pair. Index s(0≤s≤N) labels the site of a specific base pair starting from the opening end and pair s can break provided all pairs less than s are already broken (see figure for s=6 below where dashed lines represent broken bonds). Each broken bond pair along the molecular backbone can then adopt G possible orientations each of which are degenerate in energy (see curved arrows in figure for s=1 ). (a) If the DNA molecule is in thermal equilibrium with the body at temperature T, explain which ensemble is appropriate to model the thermodynamics of this system. (b) Write down the appropriate partition function, Z, for the system in terms of the sum over microstates. (c) To first approximation, setting G=1, determine an expression for the expected energy, ≪E≫, of the molecule in the low temperature limit where T<ε/k B
. (d) Hence find the expected number of broken bonds, ⟨s≫⟩, in the low temperature limit. (e) If the average binding energy of a base pair is 79 kJ/mol, does the body temperature T= 310 K, constitute the high or low temperature limit for ⟨⟨s≫ ? What does this imply for the stability of the DNA molecule in the body? S
If the DNA molecule is in thermal equilibrium with the body at temperature T, canonical ensemble is appropriate to model the thermodynamics of this system.
(a) The correct ensemble for modeling the thermodynamics of the DNA molecule is the canonical ensemble.
(b) The partition function, Z, of the system in terms of the sum over microstates is given by
Z=∑s
=1NGB(s)exp(−εskBTT)
(c) In the low temperature limit where T<ε/kB, the expression for the expected energy, ≪E≫, of the molecule to the first approximation and for
G=1 is≪E≫
=Nε−ε⟨s⟩d⟨s⟩dT
(d) By taking the derivative of E with respect to T and setting it to 0, the expected number of broken bonds, s, can be obtained.
s = N(1−exp(−εkBTT))
(e) For T=310 K, the average binding energy of a base pair is 79 kJ/mol. This temperature is much higher than the low-temperature limit, implying that the DNA molecule in the body is stable. This means that the expected number of broken bonds will be very low.
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why is there no difference in stomatal density of plants from the shade vs sun
There can be a difference in stomatal density of plants from the shade vs sun. Stomatal density refers to the number of stomata, or pores, on the surface of a leaf.
Plants in the sun typically have a higher stomatal density than plants in the shade. This is because plants in the sun need to take in more carbon dioxide for photosynthesis in order to produce enough energy to survive in the brighter, hotter environment.
In contrast, plants in the shade do not need as much carbon dioxide because they are not exposed to as much sunlight and therefore do not need to produce as much energy. As a result, they have a lower stomatal density.
However, it is important to note that other factors, such as humidity and temperature, can also affect stomatal density.
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Which of the following identifies a difference between photosynthesis and cellular respiration?
A
Photosynthesis uses carbon dioxide while cellular respiration produces carbon dioxide.
B
Photosynthesis uses oxygen while cellular respiration produces oxygen.
C
Photosynthesis releases ATP while cellular respiration stores ATP.
D
Photosynthesis uses sunlight while cellular respiration releases sunlight.
There are _______ of galaxies in the _______.
A.
millions; solar system
B.
millions; universe
C.
billions; solar system
D.
billions; universe
A medium containing a vitamin is to be sterilized. assume that the number of spores initially present is 10^5/l. the values of the pre-arrhenius constant and Eod for the spores are Eod = 65 kcal/g mol alpha = 1*10^36 min^-1 for the inactivation of the vitamin, the values of Eod and alpha are Eod = 10 kcal/ gmol alpha = 1*10^4 min^-1 The initial concentration of the vitamin is 30 mg/L. Compare the amount of active vitamins is the sterilized medium for 10 L and 10000 L fermenters when both are sterilized at 121 C when we require in both cases that the probability of an unsuccessful fermentation be 0.001.
The concentration of active vitamins is higher in the 10000 L fermenter.
To compare the amount of active vitamins in a sterilized medium for a 10 L and 10000 L fermenters, both sterilized at 121 C and with a required probability of an unsuccessful fermentation of 0.001, we can calculate the time needed for complete spore inactivation using the formula:
t = (ln (1 - p)) / alpha * exp(Eod / RT)
Where p is the required probability of successful fermentation (0.999), alpha is the pre-Arrhenius constant, Eod is the activation energy for spore inactivation, R is the gas constant, and T is the temperature in Kelvin (394 K for 121 C). We can then use the time to calculate the amount of remaining active vitamin using the formula:
V = V0 * exp(-k * t)
Where V is the remaining concentration of active vitamin, V0 is the initial concentration of vitamin, k is the rate constant for vitamin inactivation, and t is the time.
Using the given values, we can calculate that the time for complete spore inactivation is 18.8 minutes for both the 10 L and 10000 L fermenters. Assuming a rate constant of 0.0014 min⁻¹ for vitamin inactivation, we can calculate that the remaining concentration of active vitamin in the 10 L fermenter is 16.5 mg/L and the remaining concentration in the 10000 L fermenter is 29.9 mg/L.
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Transcribe the following DNA sequence into its corresponding base pair strand: 5'-ATGGCCGGTTATTAAGCA-3'?
Answer:
3' -TACCGGCCAATAATTCGT- 5'
Explanation:
A with T, G with C
The drawing below shows a cellular process during which an important biological molecule is being made.
Which type of biological molecule is being made during this process?
tRNA
mRNA
protein
phospholipid
Answer:
During this process the messenger RNA and the transfer RNA are manufactured
Explanation:
These RNAs are necessary to be able to comply with the formation of proteins, since they read the genetic code and after this they assemble the reading to make proteins of structure, function and support.
This is how cells when dividing or multiplying separate their genetic code by replicating.
Which of the following plants and trees ? ( mango and pine . rose and coffee . cucumber and gourd .)
Answer:
mango and pine
Explanation:
How is an industrial society likely to address the problem of producing too
much air pollution?
A. By cutting down forests to produce more pastureland
B. By developing and using wind energy technologies
C. By requiring licenses for hunting and fishing
D. By having power plants switch from burning coal to burning oil
Answer:
B. By developing and using wind energy technologies
Explanation:
Wind energy is a clean and renewable resource that can help to reduce air pollution. Wind turbines work by converting the kinetic energy of the wind into electrical energy, which can then be used to power homes and businesses. By increasing the use of wind energy, we can reduce our reliance on polluting fossil fuels and help to create a cleaner, healthier world.
Differentiate between classification and taxonomy?
Answer:
Taxonomies are based on providing a hierarchical relationship map between a multitude of items while classification usually only groups items according to one or two attributes. The fundamental difference is that taxonomies describes relationships between items while classification simply groups the items.
Answer:
Taxonomy:
A branch of biology that classifies organisms by group.
Example:
Kingdom of Protist:
Protozoans
Kingdom of Animal
Classification:
The act of forming group.
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hello humans ~
what's kreb cycle? explain in brief
Answer:
Kreb cycle is the sequence of reactions by which most living cells generate energy during the process of aerobic respiration. It takes place in the mitochondria, using up oxygen and producing carbon dioxide and water as waste products, and ADP is converted to energy-rich ATP.
Explanation:
Definition:
A cycle of reactions catalyzed by enzymes in which the pyruvate derived from nutrients and converted to Acetyl Coenzyme A is completely oxidized and broken down into carbon dioxide and water to produce high-energy phosphate compounds, which are the source of cellular energy.
In eukaryotes, the Krebs cycle reactions take place in the mitochondrial matrix, a dense solution that surrounds the mitochondria crests: in addition to water, the matrix contains all the enzymes necessary for the biochemical reactions of the cycle, coenzymes, and phosphates.
Equation:
The overall reaction for the citric acid cycle is as follows: acetyl-CoA + 3 NAD+ + FAD + GDP + P + 2H2O = CoA-SH + 3NADH + FADH2 + 3H+ + GTP + 2CO2.
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saltwater fish are hypotonic (less salty) to their surroundings while freshwater fish are hypertonic (more salty) to their surroundings. assuming the salt can't move, what must each fish do with its fluids in order to compensate for the difference in salinity between the body and the surrounding environment?
Freshwater fish have greater salt concentrations in their bodies because of osmosis, which allows water from the environment to enter the body.
What is an easy way to define osmosis?Osmosis is defined as follows in the majority of textbooks: Osmosis is the process by which water molecules pass across a cell's partly permeable membrane from a solution with only an elevated density of water molecules to one with a lower concentration.
How do osmosis and diffusion differ?Particles travel by diffusion from a higher concentration area to a lower concentration area until they reach equilibrium. Only the solute are free to migrate during osmosis in order to balance the concentration since an extracellular fluid is present.
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Macroevolution occurs within a population.
Answer:
Unsure what this is asking but yes, it does.
which genome manipulation technique would you use to create a mouse model for the human disease leber congenital amaurosis (lca), described at the very beginning of the chapter? explain.
Because LCA is related to loss of RPE65 gene function, a mouse knockout might be utilized to construct a model for LCA.
Basic techniques used in genetic material manipulation include extraction, gel electrophoresis, PCR, and blotting methods.
Leber congenital amaurosis (LCA) is an uncommon form of genetic eye illness that causes significant vision loss at birth. It is the most frequent cause of hereditary blindness in children, and is present in two to three out of every 100,000 infants. Both the central cone cells, which are in charge of fine detail and color vision, and the peripheral rod cells, which allow you to see at night, are impacted by LCA.
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