In photosynthesis, carbon fixation occurs:

A. during photorespiration
B. in photosystem II
C. in the Calvin cycle
D. in photosystem I
E. in the electron transport chain


Answer: C

Biology & Microbiology

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The above figure is a photograph of

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Large ears is a rare trait in a mainland population of mice.  A few female mice homozygous for very large ears arrive at an island that already contains mice after sneaking onto a boat. This will lead to a population with a higher incidence of big ears than the mainland population because of ________

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Your biceps muscle is derived from the

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