To avoid the introduction of introns into the vector, a __________ copy of mature mRNA is made,
using the enzyme __________.
a. sDNA; RNA polymerase
b. cDNA; DNA ligase
c. cDNA; reverse transcriptase
d. sDNA; reverse transcriptase
e. cDNA; DNA polymerase
C
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Which of the following steps are the correct order of the steps of interphase?
a.
b.
c.
d.
In salt marshes, predatory fish move in when
A) the tide is high. B) migratory fishes are spawning. C) the sun goes down. D) salinity is low.
How do A-B toxins function?
A) The B domain binds to a target cell receptor, while the A domain has a specific function. B) The B domain acts as a neurotoxin, while the A domain acts as a cytotoxin. C) They bind to the membrane of the host cell, creating a pore. D) The A domain binds to a target cell receptor, while the B domain has a specific function.
Genetic disease caused by a defect in the CFTR gene, which is responsible for the formation of a transmembrane chloride ion transporter; causes the mucus of the body to be viscous.
What will be an ideal response?