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
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Most fungi are aquatic
a. True b. False
The dots in the figure represent a(n)
a. covalent bond. b. ionic bond. c. hydrogen bond. d. polar covalent bond. e. hydrophobic interaction.
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?
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.