BC08 · Quiz — Biotechnology & Its Applications

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Question 1

Restriction enzymes are called 'molecular scissors' because they:

AJoin two DNA fragments together with covalent bonds

BCut DNA at specific palindromic sequences to create fragments

CAmplify DNA millions of times through thermal cycling

DCarry foreign genes into host cells

Question 2

In recombinant DNA technology, plasmids are used as:

AEnzymes to cut DNA at specific sites

BVectors to carry foreign DNA into host cells

CTools to separate DNA fragments by size

DPrimers to start DNA replication

Question 3

Humulin (recombinant human insulin) was the first recombinant drug, approved by the FDA in:

A1953

B1972

C1982

D1996

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BC08 — Biotechnology & Its Applications — Quiz