When an individual muscle fiber receives a threshold stimulus, it contracts as much as possible. ... a threshold stimulus is the minimum amount of energy needed to make a muscle fiber contract.

7 0

4 years ago

3 levels of organization,

Alona [7]

For science
1 cells
2 tissue
3 organs

8 0

3 years ago

The free-energy changes of the individual steps in a pathway are summed to determine the overall free-energy change.

denpristay [2]

The answer is A. True

7 0

4 years ago

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A plant grows toward a sunny window. This response is an example of

77julia77 [94]

Answer:

phototropism

Explanation:

phototropism is the plant responding to external stimuli, in this case the sun.

6 0

3 years ago

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