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Andrej [43]
3 years ago
6

What is the definition of an adaptive feature and why is it important? (try to use the word 'fitness' in your answer.)

Biology
1 answer:
Tresset [83]3 years ago
5 0
An adaptive feature is some something that the character can develop in its lifetime, an example can be the adaptive feature of fitness. the characters has started to go to the gym four times a week this past month.
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Need help with my hw
amm1812
  • In the mRNA; A will be complementary to U
  • In tRNA; U will be complementary to A

The mutation does not affect the structure of the protein and is called a silent mutation.

<h3>What is a mutation?</h3>

A mutation is a change that occurs in the sequence of nucleotides of a gene.

The mutation that changes the base G in the DNA to A will result in the following corresponding changes in the mRNA and tRNA:

  • In the mRNA; A will be complementary to U
  • In tRNA; U will be complementary to A

The mutation does not result in any changes since the amino acid coded for by the mRNA has more than one codon coding for it.

This type of mutation is called a silent mutation.

In conclusion, some mutations occurring in genes have no effect on the proteins the gene codes for.

Learn more about mutations at: brainly.com/question/14455966

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2 years ago
What is the function of the carrier molecule in photosynthesis?
sergij07 [2.7K]

Answer:

B

Explanation:

We breath in oxygen, and we breath out carbon dioxide. Plants breath from the sun.

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2 years ago
Which of the following are examples of what scientists can learn from studying fossils?
FrozenT [24]
The answer is a and c
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The kidney was one of the first organs to be successfully transplanted because it is so encapsulated and has limited vessels fee
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When Timmy steps on the rose bush, the sensory receptor on his toe receives the stimuli, sends it the spinal cord through a sensory neuron which they initiates a response sent through a motor neuron to the muscle and he withdraws his leg in pain.

<h3>What is a reflex arc?</h3>

A reflex arc refers to the neuronal pathway which controls a reflex action.

A reflex action is an action which occurs involuntarily.

Examples of reflex actions include thhe following:

  • withdrawing the foot quickly when one steps on a sharp object
  • withdrawing the hand quickly when one touches a hot surface
  • the je_rking of the knee
  • coughing or sneezing, when irritants enter the nostrils.

Reflex actions do not need to involve the brain, hence they occur very quickly.

The path of a reflex arc begins with a sensory receptor which receives the stimuli, travels to the spinal cord  through a sensory neuron which they initiates a response that is sent through a motor neuron to an effector such effector such as a skeletal muscle.

In conclusion, a reflex arc is the path of a reflex action through the body.

Learn more about reflex arc at: brainly.com/question/10003986

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