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bulgar [2K]
3 years ago
6

Describe a protein molecule

Biology
1 answer:
defon3 years ago
5 0

Proteins are large, complex molecules that play many critical roles in the body. ... Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are 20 different types of amino acids that can be combined to make a protein.

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