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___contain amino acids that are essential for certain metabolic functions.

A. Carbohydrates
B. Proteins
C. Fats
D. All of the above

2 Answers

6 votes

Answer:A

Step-by-step explanation:

User Ahmed Ktob
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3 votes

Answer:

proteins contain amino acids that are essential for certain metabolic functions.

Step-by-step explanation:

User Tharanga Abeyseela
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