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

Read the following statements and choose the set of correct statements:

(a) Euchromatin is loosely packed chromatin

(b) Heterochromatin is transcriptionally active

(c) Histone octamer is wrapped by negatively charged DNA in nucleosome

(d) Histones are rich in lysine and arginine

(e) A typical nucleosome contains 400 bp of DNA helix

Choose the correct answer from the options given below :

A
(b), (d), (e) only
B
(a), (c), (d) only
C
(b), (e) only
D
(a), (c), (e) only
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Transposons can be used during which one of the following?

A
Polymerase Chain Reaction
B
Gene Silencing
C
Autoradiography
D
Gene sequencing
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

If a geneticist uses the blind approach for sequencing the whole genome of an organism, followed by assignment of function to different segments, the methodology adopted by him is called as :

A
Sequence annotation
B
Gene mapping
C
Expressed sequence tags
D
Bioinformatics
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

If the length of a DNA molecule is 1.1 metres, what will b the approximate number of base pairs?

A
3.3 $$\times$$ bp 109
B
6.6 $$\times$$ bp 109
C
3.3 $$\times$$ bp 106
D
6.6 $$\times$$ bp 106
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