Differentiate between the followings:
(a) Repetitive DNA and Satellite DNA
(b) mRNA and tRNA
(c) Template strand and Coding strand

Solution

1. Repetitive DNA and Satellite DNA

Repetitive DNA	Satellite DNA
Repetitive DNA are short sequences which are repeated many times.	Satellite DNA are DNA sequences that contain highly repetitive DNA

mRNA	tRNA
Messenger RNA acts as a transcript .	tRNA acts as and adator molecule
2.Linear in structure	2. It has a structure similar to clover leaf .

Template strand	Coding strand
1. It acts as an template for the synthesis of mRNA.	1.It does not act as an template.
2. It has an sequence complementary to the mRNA	2. It has a sequnce similar to the mRNA.
3. It runs in 3'-5' direction	3.It runs from 5'-3' direction.

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