Biology, 25.10.2019 05:43 sciencefanfae7248
When light energy excites electrons in photosystem ii, where do the electrons to replace them come from?
a. atp
b. photosystem i
c. the light energy
d. split water molecules
Answers: 3
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The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.
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Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1
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Describe the function of the endomembrane system? what organelles are involved?
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When light energy excites electrons in photosystem ii, where do the electrons to replace them come f...
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