An operon turned ON in response to the presence of a substrate is called
a. inducible
b. repressible
c. restricting
d. anabolic.
Ans: a. inducible
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During the cleavage stage of glycolysis, fructose-1, 6 biphosphate is broken down into
A. glucose. B. two molecules of ATP. C. two molecules of pyruvate. D. citric acid. E. two molecules of glyceraldehyde-3-phosphate.
There are multiple cloning vector types in modern recombinant DNA technology ranging from plasmids to viral vectors. Which vector type is most useful when cloning an insert of approximately 500kb?
A) viral vector B) human artificial chromosome C) bacterial artificial chromosome D) yeast artificial chromosome E) bacterial plasmid
What are hormones?
a. short-range cellular communication b. made up of lipids and carbohydrates c. internal growth factors d. can act as a positive or negative growth regulator
In what phase of clinical trials are animals used?
A) Preclinical testing B) Phase I C) Phase II D) Phase III E) Post launch