7. A protein is a long strand of assembled in the .
a.amino acids—nucleus
b.amino acids—ribosomes
c.RNA—nucleus
d.RNA—ribosomes
8. Each amino acid is coded for by .
a.a single DNA base
b.a sequence of three RNA molecules
c.a sequence of three DNA bases
d.a sequence of three proteins
9.What is NOT true about RNA?
a.It stands for ribonucleic acid.
b.It helps DNA make proteins.
c.It has all of the same bases as DNA.
d.There are two types: messenger RNA and transfer RNA.
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Ответ:
7. b. amino acids -- ribosomes
8. c. a sequence of three DNA bases
9. c. It has all of the same bases as DNA
Ответ:
mitochondria and proteins secreted by the cell