Answer:
The term that best describes enzymes is catalysts.
Explanation:
Lipids and proteins are substrate molecules which enzymes break down. Enzymes are otherwise known as biological catalysts as they help speed up chemical reactions.
<span>d- They take in oxygen gas dissolved in the water through their gills.
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The situation is an exponential growth wherein an example is on population when as the population gets larger, it grows more quickly.
<span>Lithosphere, I know this because I got it right on usatestprep</span>