Most of the water vapor in the earth's
atmosphere comes from evaporation from
a. lakes.
b. rivers.
c. land.
d. oceans.
e. plants.
D
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Which of the following is not a function of the replicative form (dsDNA) of phage phiX174?
A. Function to direct the synthesis of minus-stranded DNA. B. Function to direct the synthesis of mRNA. C. Function to direct the synthesis of plus-stranded DNA. D. Function to direct the synthesis of more RF copies.
If both parents are "carriers" due to the presence of one copy of the cystic fibrosis allele, what are the odds that they would have a normal child?
a. 0 b. 25% c. 50% d. 75% e. 100%
Ammonification is the conversion of ________ to NH3 and NH4.
A. nitrate B. organic nitrogen C. nitrite D. inorganic nitrogen E. living plant matter
One of the waste products that accumulates during cellular functions is carbon dioxide. It is removed via the respiratory system
What is another waste product that accumulates during normal physiological functions in vertebrates? I) ammonia II) uric acid III) urea A) only I and III B) only II and III C) only I and II D) I, II, and III