Which of the following factors is LEAST likely to attract pollinators to a flower?

A. color of the flower in UV light
B. the amount of nectar
C. taste of the ovules
D. color of the flower in visible light
E. odor


Answer: C

Biology & Microbiology

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Muscle cells are stimulated by neurotransmitters released from the synaptic terminals of _____

A) T tubules B) motor neuron axons C) sensory neuron axons D) motor neuron dendrites E) sensory neuron dendrites

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Which of the following do NOT bind to the promoter sequence during regulation?

A) activators B) inducers C) repressors D) activators, inducers, and repressors

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In Thomas Hunt Morgan's experiments, males had white eyes but females did not. What cross could you perform with his flies to obtain white-eyed females?

A. cross the F1 offspring to each other. B. cross an F1 female to a white-eyed male. C. cross an F2 female with an F1 male. D. cross an F2 female with a white-eyed male. E. crossing either the F1 or F2 females with a white-eyed male will produce some white-eyed females.

Biology & Microbiology

A cell that is totipotent ____

a. has the potential to become any cell type of the adult b. induces nearby cells to follow a certain developmental pathway c. will never differentiate d. will not undergo determination e. has unregulated gene expression

Biology & Microbiology