Questions from Conceptual Biology


Q: A C3 plant absorbs a carbon radioisotope (as part of 14CO2

A C3 plant absorbs a carbon radioisotope (as part of 14CO2). In which compound does the labeled carbon appear first? Which compound forms first if a C4 plant absorbs the same radioisotope?

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Q: Most of the carbon dioxide used in photosynthesis comes from _______.

Most of the carbon dioxide used in photosynthesis comes from _______. a. glucose b. the atmosphere c. rainwater d. photolysis

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Q: An anticodon has the sequence GCG. What amino acid does this

An anticodon has the sequence GCG. What amino acid does this tRNA carry? What would be the effect of a mutation that changed the C of the anticodon to a G?

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