1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
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In an E. Coli strain i gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome?

A
Only z gene will get transcribed
B
z, y, a genes will be transcribed
C
z, y, a genes will not be translated
D
RNA polymerase will bind the promoter region
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
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Ten E.coli cells with 15N - dsDNA are incubated in medium containing 14N nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from 15N?

A
20 cells
B
40 cells
C
60 cells
D
80 cells
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
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DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as
A
Bright blue bands
B
Yellow bands
C
Bright orange bands
D
Dark red bands
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
Complete the flow chart on central dogma.

NEET 2021 Biology - Molecular Basis of Inheritance Question 56 English
A
(a) - Transduction; (b) - Translation; (c) - Replication; (d) - Protein
B
(a) - Replication; (b) - Transcription; (c) - Transduction; (d) - Protein
C
(a) - Translation; (b) - Replication; (c) - Transcription; (d) - Transduction
D
(a) - Replication; (b) - Transcription; (c) - Translation; (d) - Protein
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