Eukaryotes have how many different types of RNA polymerase enzymes?

A. three
B. four
C. one
D. 64
E. two


Answer: A

Biology & Microbiology

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A couple are both heterozygous for the dominant allele for polydactyly. They want to have three

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a. 3/4 b. 9/64 c. 1/64 d. 27/64 e. 1/2

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The spinning glands of insects that make threads and silk develop from:a

epithelial cells. b. goblet cells. c. osteoblasts. d. osteoclasts. e. sebum.

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The primary function of the corpus luteum is to _____

A) nourish and protect the egg cell B) maintain progesterone and estrogen synthesis after ovulation has occurred C) stimulate the development of the mammary glands D) support pregnancy in the second and third trimesters

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Which of the following makes a molecule of DNA from a DNA template?

a. DNA polymerase b. RNA polymerase c. helicase d. RNA primer

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