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1
NEET 2023
MCQ (Single Correct Answer)
+4
-1

Expressed Sequence Tags (ESTs) refers to

A
All genes that are expressed as proteins.
B
All genes whether expressed or unexpressed.
C
Certain important expressed genes.
D
All genes that are expressed as RNA.
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1

Upon exposure to UV radiation, DNA stained with ethidium bromide will show

A
Bright blue colour
B
Bright yellow colour
C
Bright orange colour
D
Bright red colour
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1

Match List I with List II.

List I List II
(A) Gene 'a' (I) $$\beta$$-galactosidase
(B) Gene 'y' (II) Transacetylase
(C) Gene 'i' (III) Permease
(D) Gene 'z' (IV) Repressor protein

Choose the correct answer from the options given below :

A
A-II, B-III, C-IV, D-I
B
A-III, B-IV, C-I, D-II
C
A-III, B-I, C-IV, D-II
D
A-II, B-I, C-IV, D-III
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.

Statement II: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.

In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement I and Statement II are false.
B
Statement I is correct but Statement II is false.
C
Statement I is incorrect but Statement II is true.
D
Both Statement I and Statement II are true.
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