Answer:
Plants absorb nutrients and water through their roots, but photosynthesis — the process by which plants create their fuel — occurs in the leaves. ... The leaves of plants also contain veins, through which nutrients and hormones travel to reach the cells throughout the leaves.
Explanation:
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Answer:
permissive
Explanation:
Here is the complete question:.
Current research into neurotransmitter systems has produced the "________ " hypothesis, which states that when serotonin levels are low, other neurotransmitter systems become dysregulated and contribute to mood irregularities.
a. incompatibility
b. lock-and-key
c. permissive
d. pathoneurosis
Pesinogen is converted to the active pepsin by hydrochloric acid present in gastric juice.
<h3>What are enzymes?</h3>
Enzymes are biological molecules which catalyze biochemical reactions occurring in living organisms.
Enzymes acts on different substances in the body.
Enzymes that act on proteins are known as proteases.
Some enzymes are secreted in the inactive form.
For example pepsin is secreted as pesinogen.
Pesinogen is converted to the active pepsin by hydrochloric acid present in gastric juice.
Learn more about enzymes at: brainly.com/question/1596855
