SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

Ratio of  is low in …A… and high in …B…

1)

A-primitive organisms; B-advance organisms

2)

A-advance organisms; B-primitive organisms

3)

A-advance organisms; B-mixed organisms

4)

None of the above


Question ID - 100346 :-

Ratio of  is low in …A… and high in …B…

1)

A-primitive organisms; B-advance organisms

2)

A-advance organisms; B-primitive organisms

3)

A-advance organisms; B-mixed organisms

4)

None of the above

1 Answer
5876 Votes
3537

Answer Key : (1) -

A-Primitive organisms; B-Advance organisms.

Base composition of DNA from various sources

Species

A

G

C

T

A+T/

C+G

Man

30.4

19.0

19.9

30.1

1.55

Calf

29.0

21.2

21.2

28.5

1.35

Wheat germ

28.1

21.8

22.7

27.4

1.25

Pea

30.8

19.2

18.5

30.5

1.62

Euglena

22.6

27.7

25.8

24.4

0.88

Escherichia coli

24.7

26.0

25.7

23.6

0.93



Next Question :

Dr. Khurana and his colleagues synthesized an RNA molecule with repeating sequence of UGn bases (UG UGUGUGUG UG). It produced a tetrapeptide with alternating sequence of cysteine and valine.

It proves that codons for cysteine and valine is

1)

UGU and GUU

2)

UGU and GUG

3)

UUG and GGU

4)

GUG and UGU


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