Answer:
metric system
In a species of snails, the allele for pink-colored shells is dominant over the allele for yellow-colored shells. If a heterozygote snail is crossed with a homozygous pink-shelled snail, what is the probability that an offspring will have a pink shell?
A. 0.75
B. 1.00
C. 0.50
D. 0.25
Please Help! Urgent!
While running in the Olympic marathon, a runner produces a lot of extra heat in their leg muscles and loses a lot of water by breathing and sweating.
Explain the processes in the body which prevent the runner
a) Overheating
b) Dehydrating
(each question is worth 5 marks, please keep this in mind whilst answering)
Overheating and dehydration during marathon can be prevented by wearing pre-cooling vests and drinking adequate amounts of fluids.
Dehydration is the excessive loss of water in the body. This can happen due to less intake of water, due to some disease or during heavy workouts. During workouts the body produces heat to burn the calories and therefore to cool down the body, water is released in the form of sweat.
Pre-cooling vests are the type of vests that can be wore some time before any physical activity. In these vests, there are various pockets present where ice packs can be stored. This delays the production of excessive heat in the body and sweating. The vests can be wore during warm-up but must be removed during excessive physical activities.
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What type of cells does a mutation affect that will have no effect on a possible offspring?
Please answer this correct don’t answer just for points please I’ll give braynlist
The mutation you are talking about is called: somatic mutations
These mutations occur in non-reproductive cells and they will not be passed off onto offspring.
I hope this helps!
What term is used to describe a linear sequence in which energy is transferred from one organism to the next? *
a.food web
b.food chain
c.trophic level
d.energy pyramid
Answer:
b
Explanation:
linear means line. food chains are the only one from all that is illustrated in a line.
Ecological Succession: The process by which the ecosystem _________________________________________ from barren land to a complex ecological community.
Ecological Succession: The process by which the ecosystem colonization of species from barren land to a complex ecological community.
What is Ecological Succession?The process through which a region's species and habitat mix changes over time is known as ecological succession. These communities gradually take the place of one another until a "climax community"—such as an established forest—is attained or until a disruption, like as a fire, happens. The notion of ecological succession is important to ecology.
A dirt field, for example, is ploughed and left for the summer. Weeds begin to sprout on the field throughout the summer. Small bushes begin to develop once the weeds have grown. Trees begin to sprout in the field after a few years.
Ecological Succession: The process by which the ecosystem colonization of species from barren land to a complex ecological community.
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Need help. ASAP What are considered characteristics of science? Select all that apply.
- Scientific experiments are not falsifiable.
- Scientific experiments are peer-reviewed.
- Scientific conclusions are based on anecdotal evidence.
- Scientific phenomena are observable.
- Scientific hypotheses are testable.
Answer:
id say c and d but idk
Explanation:
The statements that are considered the characteristics of science are as follows:
Scientific phenomena are observable.Scientific hypotheses are testable.Scientific conclusions are based on anecdotal evidence.Scientific experiments are not falsifiable.Thus, the correct options are A, C, D, and E.
What are the characteristics of science?The characteristics of science include objectivity, reliability, accuracy, validity, ethical neutrality, systematic exploration, abstractness, defined precision, objective approach, replicable experiments, etc.
Accuracy and validity are the foremost important characteristics of science. Such scientific experiments are concluded on the basis of real and valid evidence.
Scientific phenomena are clearly and transparently observable in a more detailed sense. Scientific hypotheses are significantly made in order to test them and predict the most accurate outcome or conclusion based on such hypotheses indiscriminately.
Therefore, the correct options for this question are A, C, D, and E.
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2. Energy flows through Earth's spheres and changes along the way. (2 points)
Energy is constantly moving and changing form as it flows through the Earth's spheres, and it is essential for maintaining the balance and stability of these systems.
What is Energy?Energy is the capacity or ability of a system or object to perform work or cause a change. It exists in many different forms, such as kinetic energy, potential energy, thermal energy, electrical energy, and chemical energy. Energy cannot be created or destroyed, but it can be transformed from one form to another. It is a fundamental concept in physics and plays a central role in virtually all aspects of modern life, including technology, industry, and transportation.
Energy flows through Earth's spheres, which include the geosphere, atmosphere, hydrosphere, and biosphere, and it changes in form and magnitude as it moves from one sphere to another. For example, solar energy enters the atmosphere and is either absorbed by the surface of the Earth or reflected back into space.
The absorbed energy is then transferred to the exosphere and hydrosphere through radiation, conduction, and convection. This energy can then be stored as heat in the Earth's crust or oceans, or it can be used by living organisms in the biosphere through photosynthesis.
Question incomplete:Energy flows through Earth's spheres and changes along the way. Describe how energy is conserved in these systems. (2 points)
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Which of the following is not a job of protein
A. Do much of the work in cells and transport materials
B. Store and transmit genetic information
C. Build tissues and muscles
D. Act as enzymes
Answer:
B
Explanation:
The nucleus is where genetic information is stored and transmitted.
A, C, and D all describe protein functions.
They maintain and provide structure, aid mitosis-assisted development, passive and active transport, produce energy, stimulate metabolic responses, and aid in reproduction. Thus, option B is correct.
What are the major function of protein in the cell?Proteins have a key role in the structure and internal organization of cells, as well as in the synthesis of products, the elimination of waste, and routine maintenance. Proteins also receive external signals and stimulate biological reactions.
Genetic information is stored and transmitted by DNA. The information contained in DNA is used to specify the amino acid sequences of proteins through RNA intermediaries.
Numerous cellular activities are made possible by proteins. Creating cellular structures, getting rid of waste, and sending messages outside the cell are some of these processes.
Therefore, Store and transmit genetic information is not a job of protein.
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Which situation contributes most to the development of soil?
A.
migration of animals across land
B.
building up of snow in very cold areas
C.
lava flowing across the ground after volcanic eruptions
D.
breaking down of rock by wind, water, and ice
A medium is matter through
which waves can pass. Which of
these waves must pass through a
medium to travel?
A
a light wave
B
a sound wave
Answer:B
Explanation:
what is commercial production
Answer:
when the production produces or makes commercials for marketing
Which of the following is not used in vegetative propagation?
a. leaf
b. stem
c. seed
d. root
Answer: The correct answer is C, seed. Seeds are not used in vegetative propagation; instead, vegetative propagation involves taking parts of existing plants and using them to create new plants. This can include taking cuttings from stems, leaves, and roots.
Is ATP used for long term storage?
Answer:
No
Explanation:
ATP is not used for long term storage.
what cranial nerve experiences motion sickness and seems intoxicated
The cranial nerve that experiences motion sickness and seems intoxicated is the Vestibulocochlear Nerve.
The vestibulocochlear nerve, also known as the eighth cranial nerve or auditory vestibular nerve, is responsible for transmitting sound and equilibrium (balance) information from the inner ear to the brain. It is composed of two branches: the cochlear branch, which carries information about hearing, and the vestibular branch, which carries information about balance.
The vestibular branch is involved in maintaining posture, balance, and spatial orientation, while the cochlear branch is involved in the perception of sound. Both branches of the vestibulocochlear nerve play important roles in our ability to hear and maintain balance.
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9. hypersensitivity reactions to penicillin have been identified that correspond to what type of reactions?
However, hypersensitivity is its main side effect, which can cause nausea, vomiting, pruritus, urticaria, wheezing, laryngeal oedema, and finally cardiovascular collapse.
Any unfavorable immune system-induced reactions, such as allergies and autoimmune diseases, are referred to as hypersensitivity (also called hypersensitive reaction or intolerance). These reactions—often referred to as an immune system overreaction—can be harmful and painful. Contrast this immunologic phrase with the psychiatric term "hypersensitive," which refers to someone who may be abnormally sensitive to physical (such as sound, touch, light, etc.) and/or emotional stimuli in immune system. Despite the fact that there is a correlation between the two, research have shown that those with ADHD (a psychiatric disease) are more likely to also have hypersensitivity reactions.
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What are the two chemicals that go back and fourth in the oxygen cycle
Answer:
oxygen and carbon dioxide
Explanation:
A small number of birds arrive on an island from a neighboring larger island. About twice a year, one or two more birds from the neighboring island arrive. These new arrivals: Group of answer choices tend to speed up adaptation to new food plants speed up the process of speciation accelerate differentiation between the two populations tend to slow divergence of the two populations
Answer:
Hello. None of the answer options is correct, as the new arrivals delay adaptation to new food plants.
Explanation:
The arrival of new birds increases competition for food. This makes the birds that have just arrived have some difficulty in accessing food, as they will have to compete with the birds that are already on the island. This makes the novice birds look for food plants they already know, which delays their adaptation to feeding new plants they do not know.
Which step of the viral reproductive cycle immediately follows synthesis of the viral components?
The step of the viral reproductive cycle that immediately follows the synthesis of the viral components is the assembly or packaging of the newly synthesized viral components into complete viral particles.
The viral reproductive cycle, also known as the viral life cycle, consists of several steps: attachment, entry, uncoating, synthesis, assembly, and release. After the synthesis of viral components, which include viral proteins and nucleic acids, the next step is the assembly or packaging of these components into complete viral particles.
During assembly, the newly synthesized viral components come together to form mature viral particles. This process involves the organization and arrangement of viral proteins and nucleic acids to create a functional and infectious viral structure. The assembly step may involve interactions between viral proteins, nucleic acids, and other viral or host cell components.
Once the assembly is complete, the newly formed viral particles are ready for the final step of the viral reproductive cycle, which is the release. The release step involves the exit of the mature viral particles from the host cell, allowing them to infect new cells and continue the infection cycle.
In summary, the assembly of viral components into complete viral particles is the immediate step that follows the synthesis of the viral components during the viral reproductive cycle.
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Consider the following two statements about DNA melting temperature:
1) The melting temperature of a sample of DNA is the temperature at which 50% of the double helices in the sample have completely denatured.
2) A molecule with 53% GC base pairs would have a higher melting temperature than a molecule of equivalent length with 53% AT base pairs.
Determine which one of the statements below is CORRECT.
A. Statement 1) and statement 2) are false.
B. Statement 1) and statement 2) are true.
C. Statement 1) is true; statement 2) is false.
D. Statement 1) is false; statement 2) is true.
Given what we know, we can confirm that statement 1 is false, while statement 2 is in fact true. Option D is correct.
Why is statement 1 false and 2 is true?Statement 1 states that the melting point of DNA is determined by the denaturalization of 50% of the double helices in the sample. This is not the case, since the DNA melting point is when 50% of the sample becomes single-standard DNA. Statement 2 is true in that a higher concentration of GC base pairs leads to a higher melting point for DNA.
Therefore, we can confirm that statement 1 is false, while statement 2 is in fact true. Option D is correct.
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PLZZ HELP
Phosphorus is mainly found in the environment stored in
A. the atmosphere
OB. legumes
C. mineral deposits
D. denitrifying bacteria
Answers: I think it’s a or c
Explanation:
which animal was the first to be domesticated by early humans?
Answer:
it is dog because the dog is the best friend of the human
Answer:
Goats
Explanation:
Goats and/or sheep were the first animals to be domesticated by early humans.
Suppose your friend investigated the color of pea pods and concluded that green pods (G) were dominant over yellow pods (g). What experimental evidence would be needed to support this conclusion?
This information can be confirmed by obtaining the observed phenotypic frequency in the second generation (F2) of a genetic cross between pure lines.
The observed phenotypic frequency is the number of individuals that have a specific observable trait (in this case, green pods or yellow pods).A dominant trait produces a 3:1 phenotypic rate in the second generation (F2) of a genetic cross between two pure lines.In conclusion, this information can be confirmed by obtaining the observed phenotypic frequency in the second generation (F2) of a genetic cross between pure lines..
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Answer:This information can be confirmed by obtaining the observed phenotypic frequency in the second generation (F2) of a genetic cross between pure lines.
Explanation:This information can be confirmed by obtaining the observed phenotypic frequency in the second generation (F2) of a genetic cross between pure lines.
How does the structure of DNA affect how cells look and behave?
Answer:
The structure of DNA plays a significant role in determining how cells look and behave. DNA is responsible for storing genetic information that is passed from one generation to the next. It is made up of a double helix structure that consists of nucleotides. The sequence of these nucleotides determines the genetic code that is responsible for the production of proteins. Proteins are responsible for carrying out a wide range of functions in cells, including growth, repair, and maintenance. Therefore, the genetic code stored in DNA is essential for determining how cells will function and behave. Additionally, the structure of DNA also plays a role in regulating gene expression. Certain regions of DNA can be modified through a process called epigenetics, which can turn genes on or off. This process helps to ensure that cells only produce the proteins that they need at a particular time, which is important for maintaining cellular functions and stability.
DNA's structure has a variety of effects on the appearance and behaviour of cells. The genetic material that defines an organism's characteristics, such as eye colour, height, and propensity for certain diseases, is found in DNA.
The order of the nucleotides (A, T, C, and G) that make up the DNA molecule contains this information. The arrangement of amino acids in proteins, which are the building blocks of cells and carry out a variety of tasks in the body, is determined by the nucleotide sequence.
Consequently, the shape of DNA influences the form and function of proteins, which in turn influences the appearance and behaviour of cells. DNA's stability and replication depend on its double helix structure.
The complementary base pairing (A with T and C with G) ensures that the two strands of DNA may be readily divided and reproduced. Hydrogen bonds hold the two strands of DNA together.
As a result, cells may divide and pass on their genetic material to their offspring. In light of this, DNA shape has an impact on how cells divide and reproduce.
Cell division and differentiation are influenced by the way DNA is packaged into chromosomes. DNA is packed into chromosomes in eukaryotic cells, which are arranged structures that aid in compacting the DNA and ensuring that it is dispersed uniformly throughout cell division.
Gene expression is influenced by the way DNA is packaged into chromosomes since some chromosomal areas may be easier for the cell's machinery to access than others. As a result, DNA structure influences cell differentiation and specialisation.
The way that DNA interacts with other molecules in the cell depends on its chemical makeup. For instance, DNA may interact with proteins to control gene expression and can establish hydrogen bonds with RNA to enable protein synthesis.
As a result, DNA shape has an impact on how cells communicate with other molecules and react to their surroundings.
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How is monarch butterfly and giant pangolin related
Answer:
The are only similar in the fact that they are both from the animal kingdom. The phylum, class, order, family, genus, and species are all different.
Convection occurs because heated material becomes ____________________. A less dense and rises B denser and rises C denser and sinks D less dense and sinks
Answer: A less dense and rises
Explanation:
Convection is a type of heat transfer happens when there is a movement of fluid (liquid or gas) in which convection currents are produced due to the movement of hot fluid upwards and cold fluid downwards. This happens as the density of hot fluid decreases due to presence of less number of mmolecules per unit volume. As the hot liquid becomes less dense, it starts moving upwards.
Thus convection occurs because heated material becomes less dense and rises.
the global heat budget and the spherical shape of the earth are the driving force for weather on the planet. briefly explain why.
The global heat budget and the spherical shape of the earth are the driving force for weather on the planet because the incoming solar radiation received on the planet is not evenly distributed on the earth. The reason for this is because the earth is a spherical object.
The amount of solar energy received at different latitudes is different. Therefore, the distribution of heat on earth is unequal. The atmosphere's movements attempt to even out the heat and are responsible for the occurrence of weather on the planet.To be more precise, the global heat budget and the spherical shape of the earth play an essential role in the water cycle and air movements around the globe.
The sun's heat warms up the planet's surface unevenly due to the spherical shape of the earth. As a result, the areas near the equator receive a more significant amount of heat energy than the areas close to the poles. These temperature differences lead to the establishment of a temperature gradient across the globe. Air masses flow from the equator towards the poles in an effort to reduce these temperature differences.
Due to the coriolis force, these air masses do not follow a direct path. As a result, they get deflected, leading to the formation of wind patterns such as trade winds, westerlies, and easterlies. These winds, in turn, cause the movement of ocean currents, which are critical to the distribution of heat and the precipitation patterns around the globe.
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Cyanobacteria are important to the evolution and advancements of other life on Earth because they
options:
were the first lifeform on earth.
produced oxygen from photosynthesis.
were thought to have become mitochondria in the cells of animals.
were the first group of organisms to leave a fossil record.
Answer: b
Explanation: I took the test
Cyanobacteria are important to the evolution and advancements of other life forms on Earth because they: B. produced oxygen from photosynthesis.
What are cyanobacteria?Cyanobacteria is scientifically referred to as Cyanophyta and it can be defined as a group of single-celled, prokaryotic photosynthetic bacteria that live in aquatic habitats (water) and moist soils.
Additionally, this division of microorganisms are capable of manufacturing their own food through a process known as photosynthesis, which typically leads to a release of oxygen into the ecosystem.
In conclusion, Cyanobacteria are very important to the evolution and advancements of other life forms on planet Earth because they help in the production of oxygen through photosynthesis.
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Assertion: The body of paramoecium is flexible.
Reason: They have specialized cells called heterocysts. 1
a. Both assertion and reason are true, and the reason is the correct explanation
of the assertion.
b. Both assertion and reason are true, but the reason is not the correct explanation
of the assertion .
c. Assertion is true but reason is false.
d. Both assertion and reason are false
Can I put which hazel in my ear
Answer:
Use an eyedropper to insert several drops of witch hazel into each ear to dry up pus and break up wax and other ear-clogging debris.
Explanation:
I hope this helps:)
what contributes most of the biomass of the plants?
a) producers
b) herbivores
c) omnivores
d) carnivores
Producers, also known as autotrophs, are organisms that can produce their own food through photosynthesis or chemosynthesis.The correct answer is (a) producers.
In the case of plants, they use sunlight, water, and carbon dioxide to produce organic compounds such as glucose, which serves as their source of energy. This process allows plants to convert solar energy into chemical energy, forming the basis of the food chain.
Herbivores (b) are animals that primarily feed on plants, while omnivores (c) consume both plants and animals. Carnivores (d) are organisms that primarily feed on other animals. While herbivores, omnivores, and carnivores play important roles in ecosystems, they rely on producers for their energy and biomass.
Producers, such as plants and algae, are the primary source of biomass in most ecosystems, as they convert energy from the sun into organic matter that can be utilized by other organisms. The correct answer is (a) producers.
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