Answer:
Neuropeptides
Explanation:
They are proteins that function as chemical messengers and are released by neurons. They contain 3 to 36 amino acids.
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Answer:
A- genetic engineer and can produce large quantities of what we need quickly
The correct answer is an ecosystem.
Answer:
Option B, an allosteric inhibitor.
Explanation:
As the enzyme activity decreases, it is not possible for A to be a coenzyme (most likely would increase the enzyme activity), a substrate (increases activity of enzyme by Le Chatler's principle) or an intermediate (no effect). A is unlikely to be a competitive inhibitor as this would not decrease the activity of the enzyme, only reduce the rate of conversion of substrate to product. A is most likely an allosteric inhibitor which binds to another site on the enzyme (other than the active site), resulting in a change in conformation of the enzyme which reduces the enzymatic activity.
