Recombinant DNA - Section 1 | Multiple Questions and Answers

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Recombinant DNA - Section 1 Multiple Questions and Answers.

16.	Which of the following is obtained using processed mRNA molecules as a template?

	A.	rDNA
	B.	mDNA
	C.	cDNA
	D.	tDNA

17.	Vectors are

	A.	molecules that degrade nucleic acids
	B.	molecules that help in replication
	C.	molecules that are able to covalently bond to and carry foreign DNA into cells
	D.	molecules that protect host cells from invasion by foreign DNA

18.	What is the normal role of restriction endonucleases in bacterial cells?

	A.	To degrade the bacterial chromosome into small pieces during replication
	B.	To degrade invading phage DNA
	C.	To produce RNA primers for replication
	D.	All of the above

19.	A molecular technique in which DNA sequences between two oligonucleotide primers can be amplified is known as

	A.	southern blotting
	B.	northern blotting
	C.	polymerase chain reaction
	D.	DNA replication

20.	The Southern blotting technique depends on

	A.	similarities between the sequences of probe DNA and experimental DNA
	B.	similarities between the sequences of probe RNA and experimental RNA
	C.	similarities between the sequences of probe protein and experimental protein
	D.	the molecular mass of proteins

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