Which of the following contains all the others?
A) double helix
B) sugar
C) hydrogen bond
D) DNA strand
E) nucleotide
Answer: A
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In photosynthesis, the net uptake of CO2 by a plant is greatest
A) when PAR equals zero. B) at the light compensation point. C) during photoinhibition. D) at the light saturation point.
Molecules of DNA are composed of long chains of
A.) amino aicds B.) fatty acids C.) monosaccharides D.) nucleotides
During which step of aerobic respiration is oxygen used?
A) Glycolysis B) Conversion of pyruvate to acetyl CoA C) Fermentation D) Krebs cycle E) Electron transport chain (ETC)
What do chronic hepatitis infections result in?
A) constipation, ulcers, or colon cancer B) cirrhosis, liver failure, or hepatocellular carcinoma C) heart failure D) kidney failure or kidney cancer E) constipation