1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

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
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
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
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Complete the flow chart on central dogma.

NEET 2021 Biology - Molecular Basis of Inheritance Question 37 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
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
What is the role of RNA polymerase III in the process of transcription in eukaryotes?
A
Transcribes only snRNAs
B
Transcribes rRNAs (28S, 18S and 5.8S)
C
Transcribes tRNA, 5s rRNA and snRNA
D
Transcribes precursor of mRNA
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