Cellular Respiration

AP Biology· difficulty 3/5

Dormant (non-germinating) pea seeds were tested alongside germinating seeds at 25 degrees C. Both received the same KOH chamber to absorb CO2.

Which inference is best supported?

A
$KOH inhibits respiration in dormant seeds.$
B
$Germinating seeds release more CO2 than they take in O2.$
C
$Dormant seeds use only anaerobic respiration.$
D
$Germinating seeds have a much higher metabolic rate than dormant seeds.$
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Explanation

Germinating seeds consume O2 at roughly 20 times the rate of dormant seeds, reflecting much higher metabolic demand for growth.

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