When light strikes the rod cell, it becomes ____ and glutamate release onto bipolar cells ____.

A. depolarized; decreases
B. depolarized; increases
C. hyperpolarized; decreases
D. hyperpolarized; increases
E. excited; increases


C. hyperpolarized; decreases

Biology & Microbiology

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Most fungi are aquatic

a. True b. False

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The dots in the figure represent a(n)

a. covalent bond. b. ionic bond. c. hydrogen bond. d. polar covalent bond. e. hydrophobic interaction.

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What is the wobble hypothesis, and what implications does it have for base-pairing rules and selective pressure on codons?

What will be an ideal response?

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Which of the following statements best describes RNAi techniques for gene silencing?

A) siRNAs block DNA replication. B) siRNAs inhibit transcription of a gene. C) siRNAs inhibit mRNA splicing. D) siRNAs trigger degradation of mRNAs to prevent their translation. E) siRNAs prevent transport of mRNA from the nucleus to the cytoplasm.

Biology & Microbiology