6. The function of ribosomes within the cell is

A. to produce ATP
B. to ferment carbohydrates
C. to synthesize proteins
D. all of these


Correct Answer: C. to synthesize proteins

7. According to base pairing rules the bases of one strand match-up with the bases of the second strand of DNA and the two strands are said to be

A. complementary
B. oppositely charged
C. identical
D. none of these


Correct Answer: A. complementary

8. RNA that is complementary to a segment of another RNA molecule to which it will bind is known as

A. missense RNA
B. antisense RNA
C. nonsense RNA
D. none of these


Correct Answer: B. antisense RNA

9. Which is not an essential part of a two-component phosphorelay system?

A. Response regulator
B. Sensor kinase
C. Autoinducer
D. None of these


Correct Answer: C. Autoinducer

10. The DNA that actually codes for a protein’s primary structure in eukaryotes is

A. the entire gene
B. portions of the gene called introns
C. portions of the gene called exons
D. the promoter


Correct Answer: C. portions of the gene called exons

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