To convert a nucleoside into a nucleotide, what moiety must be added?
A. One or more pyrimidine bases
B. One or more phosphate groups
C. One or more double bonds
D. One or more purine bases
Answer: B
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What is included in the thermodynamics system?
a. the universe including all of the planets and stars b. an individual organism, isolated even from the air around it c. an ecosystem devoid of living creatures d. the matter and its environment relevant to a particular case of energy transfer
Ova are
a. male gametes. b. female gametes. c. specialized for motility. d. both a and c.
The pulmonary veins ____
a. receive blood from the lungs b. drain blood from the liver c. carry blood to tissue d. carry oxygenated blood e. are found only on the right side of the body
What effects would a tumor that caused chronic secretion of renin expected to have? (Select all that apply.)
a. Elevated plasma concentration of angiotensin I b. Elevated blood pressure c. Lower aldosterone levels d. Increased water and salt reabsorption by the nephron