Answer:
With protein kinase activation, a lot of enzymes are phosphorylated by other enzymes.
Explanation:
Hormones often cause multiple responses in a cell because they activate a cascade where the protein kinase activation, phosphorylation, and activation of one enzyme result in the phosphorylation and activation of another enzyme, and so on. This cascade of activation has multiple effects on the cell.
Cardiorespiratory endurance is a measurement of how well your heart, lungs and muscles work together to keep your body active over an extended period of time. Exercisers can improve cardiorespiratory endurance by participating in a program of regular aerobic exercise.
The answer is <span>Cortisol.
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