I remember answering this question. The answer would be Option B. Chitin, in arthropods, is a structural carbohydrate that forms their exoskeleton. It is a long chain of polymer of an N-acetylglucosamine. Hope this answers the question.\
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That’s true. If it has cells it’s and organism always.
Answer:
A. Smooth muscle
Explanation:
Smooth muscle aids in the digestion of food.
Answer:
A
Explanation:
Pumps move substances through the plasma membrane.
ANSWER:
About 11 percent of the Earth's surface is used to grow crops...
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