Multiple Choice
A resistance factor
A) is a plasmid that carries genes for antibiotic resistance.
B) is a factor that enables a bacterium to resist being infected by a phage.
C) prevents mutation occurring in the chromosome of a bacterium.
D) limits the rate of mutation in bacteria by stabilising their DNA.
E) is a gene that is only expressed under adverse conditions.
Correct Answer:
Verified
Correct Answer:
Verified
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Q15: Recombinant DNA<br>A)is the new DNA produced as
Q16: A vaccine that is made from viral
Q17: DNA is composed of<br>A)phosphate,ribose,adenine,thymine,guanine and cytosine.<br>B)phosphate,deoxyribose,thymine,adenine,guanine and
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Q19: A gene<br>A)is a piece of DNA which
Q20: A codon is<br>A)a sequence of three nucleotide
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Q23: The formation of messenger RNA on a
Q24: Which of the following can be produced