The ultimate source of energy for photosynthetic reactions in a plant is

A. plants.
B. catabolism.
C. the sun.
D. glucose.
E. glycogen.


Answer: C

Biology & Microbiology

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True or False. Phylogenetic methods based on DNA sequences and data from the fossil record both show that the evolutionary link between birds and crocodiles runs through dinosaurs

A. true B. false

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The sex ratio in a population is usually fixed and does not vary among age classes

Indicate whether the statement is true or false

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What are opsins and what are they a part of?

a. membrane lipids that form a complex with a retinal molecule at the centre b. membrane proteins that form a complex with a retinal molecule at the centre c. retinal molecules that form a complex with membrane proteins at the centre d. retinal molecules that form a complex with membrane lipids at the centre

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cohesion

What will be an ideal response?

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