Match the following genetic elements with their functions.
Genetic elements | Functions |
P. neoR | 1. Facilitates inducible expression of genes in eukaryotes. |
Q. SV40 | 2. Facilitates constitutive expression of genes in eukaryotes. |
R. LTR | 3. Allows amplification of gene. |
S. S. dhfr. | 4. Provides way of selecting eukaryotic cells, which have received foreign DNA. |
A. P-4, Q-2, R-1, S-3
B. P-2, Q-4, R-1, S-3
C. P-1, Q-4, R-2, S-3
D. P-4, Q-2, R-3, S-1
Answer: Option A
A. No recombinant molecule will ever be detected
B. Both linear and circular molecules will replicate equally well
C. None of the plasmids will express the antibiotic resistance gene located on the plasmid
D. The circular molecules will be amplified by the cells
A. Addition of lactose to the medium
B. Removal of all glucose from the medium
C. Addition of excess glucose to the medium
D. Addition of allo-lactose to the medium
A. Both [A] and [R] are true and [R] is the correct reason for [A]
B. Both [A] and [R] are true but [R] is not the correct reason for [A]
C. Both [A] and [R] are false
D. [A] is false but [R] is true
A. P only
B. P, R and S only
C. P and R only
D. P, Q and R only
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