When a protein denatures, what happens to it?
a. it becomes a functional protein
b. it combines with sugars to become a
signaling protein
c. it changes its shape and to assume another
function
d. it unwinds and loses its three dimensional
shape
e. it is transported out of the cell
D
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Gastrulation is an important event in early embryonic development. Which of the following is NOT a result of gastrulation?
A) formation of three embryonic cell layers B) movement and alignment of many embryonic cells C) the formation of a gastrula D) the formation of specialized adult tissues
Human papillomavirus is
A. a small, non-enveloped double-stranded DNA virus. B. a small, enveloped double-stranded DNA virus. C. a large, enveloped double-stranded RNA virus. D. a small, non-enveloped single-stranded DNA virus.
The major structural components of a cell membrane are ____
a. phospholipids and cellulose b. phospholipids, protein, and sterols c. protein and sterols d. glycolipids and proteins e. phospholipids and glycolipids
The common name for the disease caused by human parvovirus B19 is
A) kissing disease. B) fourth disease. C) fifth disease. D) shingles. E) Reyes' syndrome.