Differentiate between the followings: (a) Repetitive DNA and Satellite DNA (b) mRNA and tRNA (c) Template strand and Coding strand
Differentiate between the followings:
(a) Repetitive DNA and Satellite DNA
(b) mRNA and tRNA
(c) Template strand and Coding strand
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(a) Repetitive DNA and satellite DNA
| satellite DNA Repetitive DNA | Satellite DNA |
| Repetitive DNA are DNA sequences that contain small segments, which are repeated many times. | Satellite DNA are DNA sequences that contain highly repetitive DNA. |
(b) mRNA and tRNA
| mRNA | tRNA |
| mRNA or messenger RNA acts as a template for the process of transcription. | tRNA or transfer RNA acts as an adaptor molecule that carries a specific amino acid to mRNA for the synthesis of polypeptide. |
| It is a linear molecule | It has clover leaf shape. |
(c) Template strand and coding
| Template strand | Coding strand |
| Template strand of DNS act as a template for the synthesis of mRNA during transcription | Coding strand is a sequence of DNA that has the same base sequence as that of mRNA (except thymine that is replaced by uracil in DNA) |
| It runs from 3" to 5" | It runs from 5" to 3" |
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