The region of a motor protein that interacts with the motor’s cellular cargo is the:

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#Question id: 2155

#Unit 2. Cellular Organization

Cholesterol is

a. unrelated to any plant lipids.                     

b. not found in chloroplast membranes.

c. encoded by an intron-containing gene on chromosome 23.

d. relatively abundant in the plasma membrane and endocytic membranes.

e. synthesized in the ER.

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#Question id: 5577

#Unit 5. Developmental Biology

Totipotency is a term used to describe a cell's ability to give rise to a complete new organism. In plants, this means that ________.

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#Question id: 14968

#Unit 2. Cellular Organization

What compound provide much of the wall's antigenic specificity and thus make it possible to identify gram-positive bacteria by certain laboratory tests

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#Question id: 33360

#Unit 1. Molecules and their Interaction Relevant to Biology

a. HbS (sickle-cell Hb): substitutes a Val for a Glu on the surface

b. Hb Cowtown: eliminates an ion pair involved in T-state stabilization

c. Hb Memphis: substitutes one uncharged polar residue for another of similar size on the surface

d. Hb Bibba: substitutes a Pro for a Leu involved in an α helix

Which Hb variant least likely to cause pathological symptoms

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#Question id: 4967

#Unit 11. Evolution and Behavior

Recent evidence indicates that the first major diversification of multicellular eukaryotes may have coincided in time with the