How many levels of protein structures exist?
A) 1
B) 2
C) 3
D) 4
E) 5
Correct Answer:
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Q65: Proteins may function as
A)structural units.
B)hormones.
C)storage molecules.
D)transport molecules.
E)all
Q84: Nucleotides contain what kinof sugars?
A)three-carbon
B)four-carbon
C)five-carbon
D)six-carbon
E)seven-carbon
Q85: All sterols have
A)the same number of double
Q86: Cell membranes archaracterizeby thpresencof
A)triglycerides.
B)phospholipids.
C)unsaturated fats.
D)steroids.
E)saturated fats.
Q87: What kinof bonexists between two amino acids
Q88: Macow diseasis causeby
A)viruses.
B)prions.
C)infectious bacteria.
D)parasites.
E)all of these.
Q91: Which of thfollowing parameters coulaffect thshapof a
Q92: Most proteins produceby thcell arfunctional in
A)their primary
Q93: A nucleotidis constituteof
A)a five carbon sugar, a
Q94: Primary protein structuris dependent on
A)hydrophobic interactions.
B)hydrogen bonds.
C)bonds
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