Proteins that travel to target cells and act as chemical messengers are known as:
A) collagens.
B) hormones.
C) opsins.
D) antigens.
E) enzymes.
Correct Answer:
Verified
Q8: The component that distinguishes one amino acid
Q9: Lipoproteins function to:
A)catalyze chemical reactions.
B)encourage edema.
C)transport lipids
Q10: Under special circumstances, a nonessential amino acid
Q11: Only water transports substances such as lipids,
Q12: The dramatically different shapes of proteins enable
Q14: Proteins may contain up to ten different
Q15: Proteins are composed of chains of:
A)monosaccharides.
B)fatty acids.
C)ketones.
D)amino
Q16: Research supports the idea that a vegetarian
Q17: How many essential amino acids are required
Q18: Researchers have found that vegetarians as a
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