Cells that go through the rDNA process are then placed on a selective antibiotic
ID: 202374 • Letter: C
Question
Cells that go through the rDNA process are then placed on a selective antibiotic media that also contains X-gal. Colonies of cells that appear white on the media have the recombinant form of the plasmid.
A. True
B. False
Deoxyribose nucleoside triphosphate (dNTP) mix is an essential component in PCR. What does the dNTP mixture contain?
Magnesium chloride and Taq polymerase
Magnesium chloride, ATP, and nucleotides
Adenine, uracil, guanine, and cytosine
Adenine, thymine, guanine, and cytosine
A.Magnesium chloride and Taq polymerase
B.Magnesium chloride, ATP, and nucleotides
C.Adenine, uracil, guanine, and cytosine
D.Adenine, thymine, guanine, and cytosine
Explanation / Answer
1. Cells that go through the rDNA process are then placed on a selective antibiotic media that also contains X-gal. Colonies of cells that appear white on the media have the recombinant form of the plasmid.
The above statement is - True.
Colonies that do not hold the recombinant plasmid appears blue.
2. The answer is - Magnesium chloride, ATP, and nucleotides
dNTP mix used in PCR contains, magnesium chloride, dATP, dCTP, dGTP, dTTP.
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