Which enzyme is responsible for transcribing DNA?
a) helicase
b) DNA ligase
c) DNA polymerase
d) RNA polymerase
d) RNA polymerase
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The best way to explain cutaneous respiration is
A) Diffusion of gases across a specialized respiratory surface with circulatory transport. B) Circulating the external medium through the body. C) Diffusion of gases across most or all of the body surface followed by transport of gases in an internal circulatory system. D) Diffusion of gases across specialized internal and external membranes.
An increase in the rate of red blood cell production is indicated in the blood by:
A. a decrease in the reticulocyte count B. an increase in the reticulocyte count C. no change in the reticulocyte count
After filtrate leaves the loop of Henle, it next flows into the ________.
A) Distal convoluted tubule B) Glomerular capsule C) Ureter D) Loop of Henle
Somatic motor neurons must be ________ to relax the external urethral sphincter to allow urination.
a)stimulated b)inhibited