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Q5: Plasmodesmata can change in number,and when dilated
Q11: After several weeks of exercise,a human athlete's
Q28: All of the following are plant adaptations
Q52: Generalized defense responses in organs distant from
Q55: In which of the following pairs are
Q56: Which of the following is responsible for
Q59: A nonfunctional CD4 protein on a helper
Q78: In what way do nitrogen compounds differ
Q90: Evolutionary adaptations that help diverse animals directly
Q120: The snakelike organism turned out to be