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2 years ago

Which of the following are among the most common second messengers?

Biology

1 answer:

frosja888 [35]2 years ago

3 0

Answer:

The correct answer would be calcium ion and cAMP.

Secondary messengers refers to the intracellular signaling molecules which pass the signals from the receptors located on the surface of the cell to the target molecule present within the cell.

The secondary messengers can be classified into three major class:

Cyclic nucleotide for example cAMP (cyclic adenosine monophosphate), cGMP (cyclic guanosine monophosphate)
DAG (diacylglycerol) and IP₃ (inositol triphosphate)
Calcium ions (Ca⁺⁺)

Hence, from the given options, calcium ion and cAMP would make the correct choice.

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2 years ago

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The field of conservation biology ________.

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2 years ago

Natural selection ________. Question 2 options: A) results in evolutionary adaptation B) is a very rare phenomenon C) does not a

Mnenie [13.5K]

Answer:

A) results in evolutionary adaptation

Explanation:

Natural selection is the process in which organism with specific traits are able to survive than others. Natural selection allows the fittest to survive while eliminating the others. It prepares the species for environmental changes by resulting in evolutionary adaptation.

Evolutionary adaptation occurs when species goes through certain processes (hereditary, habits, Physical structures) to become fit in environment. These changes help the organism to evolve to adopt the changing environmental conditions.

Example; Sweating in human.

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3 years ago

The aspect from which a sample is drawn is known as the

PolarNik [594]

We use samples to perform experiments. When sampling, we take test subjects from a larger group often known as "population" or at times "universe".

Sampling is a term we use to describe the process of selecting a small representitive group from a larger population. Sampling can often be divided in its simplest form into:

Random Samples
Non-Random Samples.

Which as their names imply, represent first a sample that is chosen by not specific method and whose probability is equal for the entire population, and secondly a sample chosen based on specific parameters.

Sampling can then become more complex, being divided into more complex methods such as:

Systematic sampling
Stratified sampling
Cluster sampling

etc.

The one thing all of the sampling methods have in common is the fact that they will all draw their samples from one place. This place or aspect from which samples are drawn is known as the population group or sometimes coined as the universe, to represent the group in its entirety.

To learn more visit:

brainly.com/question/350477?referrer=searchResults

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2 years ago

What makes up the peripheral nervous system?

Darya [45]

The peripheral nervous system (PNS) is one of the two major components of the body's nervous system. In conjunction with the central nervous system (CNS), the PNS coordinates action and responses by sending signals from one part of the body to another. The CNS includes the brain, brain stem, and spinal cord, while the PNS includes all other sensory neurons, clusters of neurons called ganglia, and connector neurons that attach to the CNS and other neurons.

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2 years ago