Amplification of a signal increases as the ____
a. number of enzyme-catalyzed steps increases
b. number of enzyme-catalyzed steps decreases
c. volume of the cell increases
d. volume of the cell decreases
e. rate of reaction of the rate-limiting reaction increases
ANSWER: a
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a. Regenerating ATP from ADP b. Catalyzing biochemical reactions c. Extracting ATP from hydrogen d. Releasing carbon dioxide molecules
Ducts from the pancreas enter the
a. stomach. b. colon. c. duodenum. d. jejunum. e. ileum.
For processes such as those in the figure that can take thousands of years, how can we know that succession can occur in this way?
A) via carbon dating B) via chronosequences C) via long-term studies D) via the phytoplankton community
Cytokinesis in animal cells involves the formation of a/an:
a. oncogene b. cell plate c. cleavage furrow d. sister chromatid