As light levels increase, some electrons from photosystem I are redirected from ____ back into the electron-transport chain

Fill in the blank with the appropriate word.


ferredoxin

Biology & Microbiology

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The CRISPR-Cas9 system is a tool to perform

A) exome sequencing. B) DNA profiling. C) pharmacogenetics. D) genome editing.

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Which of the following is an unencapsulated dendrite of a sensory neuron?

a. Ruffini endings b. Pacinian corpuscles c. free nerve endings d. hair receptors

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Which of these serves in the transition from glycolysis to the Krebs cycle?

a. acetyl-CoA formation b. conversion of PGAL to PGA c. regeneration of reduced NAD+ d. oxidative phosphorylation e. substrate-level phosphorylation

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Sexual selection occurs when a female chooses a male that _____.

A. shares all resources B. is migratory C. provides a gift of prey D. can be a chameleon E. has never had a mate

Biology & Microbiology