Biochemistry - Recombinant DNA Technology

Exercise :: Recombinant DNA Technology - Section 1

  • Recombinant DNA Technology - Section 1
16. 

Which of the following genetic diseases would be amenable to genetic engineering?

A. Down's syndrome
B. Muscular dystrophy
C. Cystic fibrosis
D. Cri du Chat

Answer: Option C

Explanation:

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17. 

X-rays cause

A. the formation of thymine dimers
B. ionization of water in the cell
C. heat
D. none of the above

Answer: Option B

Explanation:

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18. 

The order for the construction of a cDNA fragment from mRNA is to

A. bind oligo-dT, treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dC, treat with DNA polymerase
B. treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dC, treat with DNA polymerase and bind oligo-dT
C. digest with RNase, add G residues to the 3' end, treat with reverse transcriptase, add G residues to the 3' end and treat with DNA polymerase
D. bind oligo-dC, treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dT and treat with DNA polymerase

Answer: Option A

Explanation:

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19. 

The TP53 gene of chromosome 17 codes for a protein __________ .

A. that plays a role in the digestive process
B. involved in glucose transport
C. involved in the regulation of the cell cycle
D. that is like a white blood cell protein

Answer: Option C

Explanation:

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20. 

Why is golden rice pale yellow in color?

A. It is rich in chlorophyll a.
B. It is rich in beta-carotene.
C. It is rich in chlorophyll b.
D. It is rich in phycobilins.

Answer: Option B

Explanation:

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