Which most accurately describes the expression "recombinant DNA"?
a. DNA molecule cloned from a given organism
b. DNA molecule that contains genetic information from more than one organism
c. DNA molecule that is moved from one tube to another in a laboratory
d. DNA molecule isolated from a specific organism
e. DNA molecule that has been used in a laboratory for experimental purposes
ANSWER: b
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The pressure of a gas is proportional to its density and ________.
A) altitude B) adiabatic rate C) temperature D) chemical composition E) friction.
Describe phylogenomics and its contributions to phylogenetic relationships between protists and other
eukaryotes.
What will be an ideal response?What part does carbon play in the structure of
biological molecules?
a. carbon forms their backbone b. carbon provides polarity c. carbon makes it easier for them to be digested d. carbon forms a bridge between two monomers e. carbon plays no role whatsoever in the structure of biological molecules
Memory cell production is associated with
a. the body’s first line of defense. b. the body’s second line of defense. c. the body’s third line of defense. d. complement production. e. acute inflammation.