Name a defining characteristic of innate immunity
What will be an ideal response?
Innate immunity consists of general defense mechanisms that do not change over an individual's lifetime.
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Host cells containing recombinant DNA can be selected on the basis of the properties of the
A. vector. B. ribosomes. C. enzymes. D. virus.
The haploid phase of the plant life cycle begins in the sporangia
a. True b. False
The worldwide total fertility rate changed from
__ children per woman to ___ children per woman.
a. 2.5...6.5 b. 6.5...2.5 c. 1.5...8.5 d. 8.5...1.5 e. 3.5...4.5
CAP is said to be responsible for positive regulation of the lac operon because _____
A) CAP binds cAMP B) CAP binds to the CAP-binding site C) CAP prevents binding of the repressor to the operator D) CAP bound to the CAP-binding site increases the frequency of transcription initiation