Which enzyme initiates and catalyzes the synthesis of RNA from a DNA template?
A. RNA Polymerase
B. DNA Polymerase III
C. Helicase
D. Topoisomerase
Select your answer:
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Regulation of Urine Formation › ViewCountercurrent mechanism to maintain the concentration gradient in the medullary interstitium. This special arrangement occurs in:-
A. PCT and capillary net
B. DCT and PCT
C. Henle’s loop and vasa recta
D. PCT and collecting duct
Human Body › View
It serves as one of our primary defense against pathogenic organisms and other organisms that can cause various diseases.
A. heart
B. liver
C. muscles
D. integument