(i) Insulin was originally extracted from pancreas of slaughtered pigs and cattle. |
(ii) Animal insulin is difficult to obtain. |
(iii) Animal insulin is identical to human insulin. |
(iv) Non human insulin caused some patients to develop allergy. |
(v) Recombinant DNA allowed scientists to insert a human insulin gene into a bacterial expression vector. |
(vi) Recombinant insulin is actually obtained from E. coli bacterial cell. |
A) (i) and (ii)
B) (iii) and (iv).
C) Only (iii)
D) Only (vi)
Correct Answer: C
Solution :
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