Assume that the shaded portions of the molecule in the accompanying figure each represent different polypeptide

chains. What does this represent?

a. cellulose

b. a carotenoid

c. an amino acid

d. a steroid hormone

e. the quaternary structure of a protein


e

Biology & Microbiology

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In terms of public health, the major lethal effect of smoking is ________

A) lung cancer B) oral-facial cancer C) peptic ulcers D) cardiovascular disease

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Where is glucose synthesized during photosynthesis?

A) Matrix B) Stroma C) Thylakoids D) Membrane proteins E) Cytoplasm

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MHC plays a pivotal role in transplant rejection

Indicate whether this statement is true or false.

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