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In addition to being necessary for respiration, also provides uv radiation protection.
a. carbon dioxide
b. water
c. oxygen
d. hydrogen
Answers: 1
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In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected
Answers: 2
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Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?
Answers: 1
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In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.
Answers: 3
In addition to being necessary for respiration, also provides uv radiation protection.
a. ca...
a. ca...
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