The purpose of photolysis is to _______.

a. provide water for the plant
b. provide oxygen for the plant
c. split carbon dioxide
d. provide electrons to replace those lost by photosystem II


Answer: d. provide electrons to replace those lost by photosystem II

Biology & Microbiology

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Which of the following describes a haploid?

a. An organism with one set of chromosomes b. A cell with two matched sets of chromosomes c. A cell with a pair of homologous chromosomes d. An organism with double-stranded DNA molecules

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The yeasts whose fermentation reactions produce carbon dioxide that makes bread rise are a type of _____

a. chytrid c. sac fungus b. zygote fungus d. club fungus

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Chromatids are

a. attached at the centriole. b. a pair of chromosomes, one from the mother and one from the father. c. attached at their centromeres. d. identical until crossing over occurs. e. attached at their centromeres and are identical until crossing over occurs.

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Which major type of muscle in humans has a primary function in movement?

A) smooth B) cardiac C) skeletal D) endothelial

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