The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.

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#Question id: 1808

#Unit 4. Cell Communication and Cell Signaling

CD8+ T-cells bearing an αβ TCR:

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#Question id: 32271

#Unit 2. Cellular Organization

The oligosaccharide precursor is assembled on a membrane-attached anchor on ER called:

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#Question id: 12466

#Unit 10. Ecological Principles

Which of the following is a density-independent factor that could limit a population of high-altitude butterflies?

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#Question id: 29513

#Unit 6. System Physiology – Plant

Members of the Poaceae family produced defensive secondary metabolites, which are derived from tryptophan, known as

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#Question id: 31067

#Unit 2. Cellular Organization

Which of the following region is required for CDK binding and activation in cyclin?