The following components are shared by DNA and RNA nucleotides except:

A. adenine
B. cytosine
C. guanine
D. uracil
E. triphosphate


Answer: D

Biology & Microbiology

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Outside a host cell a virus is called a(n):

a. capsid. b. virion. c. nucleocapsid. d. envelope. e. glochidia.

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During an infection, proteins called ______will usually be in the blood as a sign of the host immune response.

Fill in the blank(s) with the appropriate word(s).

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Pathways that have an overall energy requirement are referred to as:

a. catabolic reactions. b. anabolic reactions. c. energy-releasing reactions. d. energetically feasible reactions. e. reactions that will proceed spontaneously.

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Labor is triggered when which one of the following fetal organs or systems is mature?

A) pituitary gland B) digestive system C) heart D) lungs E) adrenal gland

Biology & Microbiology