The enzyme that attaches DNA nucleotides at the ends of eukaryotic chromosomes in order to prevent chromosome shortening is called

A. Topoisomerase.
B. Telomerase.
C. Ligase.
D. Polymerase.
E. Primase.


Answer: B

Biology & Microbiology

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Y-linked traits:

A. only affect males. B. affect primarily males, but can also affect females (depending on her parents). C. affect males and females equally. D. affect all sons of an affected male. E. only affect males, and affect all sons of an affected male.

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What are three proteins or groups of proteins you would expect to find bound to the core promoter region in eukaryotes?

What will be an ideal response?

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Which of the following is not an adaptation to bipedalism in early hominids?

a. curvature of the spine b. shorter pelvis c. alignment of the big toes with the rest of the toes d. decrease in the length of the legs relative to the arms e. moving the foramen magnum to the base of the skull

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Desulfovibrio bacteria can perform the following reaction: S6- S2-. These bacteria are

a. Synthesizing sulfur. b. Reducing sulfur. c. Hydrolyzing sulfur. d. Oxidizing sulfur.

Biology & Microbiology