What is the key activity of panel II in the accompanying figure?
a. The enzyme is consumed as the products form.
b. The substrate leaves the active site.
c. The conversion of substrates to products occurs.
d. The product leaves the enzyme.
e. The product decomposes to the reactants.
ANSWER: c
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Which of the following reactions is most likely to be exergonic? Select all correct choices
A. the synthesis of a phospholipid from glycerol and fatty acids B. the replication of DNA from free nucleotides C. the formation of cellulose from individual glucose molecules D. the digestion of protein from food into amino acids
The ________ are the 23rd pair of chromosomes that carry the traits that determine gender
Fill in the blank(s) with correct word
During the 1960s, a group of scientists in the northeastern United States conducted an experiment at Hubbard Brook, New Hampshire. A 38-acre watershed was completely deforested and the runoff (water flow) monitored for several years. It was compared to an adjacent watershed that was left untouched. The scientists collected data during those years and found
A. an insignificant difference in the amount of nitrogen from the two areas. B. a tremendous increase in the total amount of runoff from Hubbard Brook although the loss of nitrogen was fairly consistent in both areas. C. no difference in the amount of runoff from the two areas. D. a tremendous increase in the amount of runoff and nitrogen release from Hubbard Brook compared to the control.
Any two nucleic acid fragments will spontaneously hybridize if they encounter each other as long as they are ________ and ________
A) DNA; RNA B) transcribed; translated C) primed; replicated D) identical; compatible E) complementary; antiparallel