If no ribosome begins translation of the leader peptide AUG, the hairpin forms by pairing of sequences 1 and 2, preventing formation of the 2 –3 hairpin, and allowing formation of the hairpin at sequences 3 –4, the condition is

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#Question id: 2723

#Unit 2. Cellular Organization

With respect to the solenoid model of nucleosome, which of the following is true?

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#Question id: 947

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which is not part of the synthesis reactions for histidine?

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#Question id: 24437

#Unit 1. Molecules and their Interaction Relevant to Biology

If bovine mitochondria have 8 c subunits per c ring, what is the predicted ratio of ATP formed per NADH oxidized?

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#Question id: 1450

#Unit 4. Cell Communication and Cell Signaling

A loss-of-function mutation in _____ would have the same effect as a gain-of-function mutation in Ras.

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#Question id: 12091

#Unit 10. Ecological Principles

Which of the following is a postzygotic isolating mechanism in speciation?