One of the first successful applications of genetic engineering was the commercial production of ____.
A. clotting factor
B. insulin
C. hemoglobin
D. collagen
E. human growth factor
Answer: B
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Gierer and Schramm isolated ______ from tobacco mosaic virus and applied it to plant tissue, which caused the same types of lesions that occurred when plants were exposed to intact tobacco mosaic virus
A. RNA B. DNA C. proteins D. capsids
Which proteins facilitate RNA polymerase binding at promoters?
What will be an ideal response?
Nucleosomes are best described as:
a. eukaryotic DNA associated with histone proteins. b. prokaryotic DNA associated with nonhistone proteins. c. eukaryotic DNA associated with nonhistone proteins. d. prokaryotic DNA associated with histone proteins. e. eukaryotic DNA associated with scaffolding proteins.
Compare and contrast the mechanism of action of a steroid and a protein-type hormone at the cellular
level. What will be an ideal response?