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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance3 Marks
Question
Differentiate between : mRNA and tRNA
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Answer

m-RNAt-RNA
1. It is known as messenger RNA.1. tRNA is known as transfer RNA.
2. It is so called as it has the message of DNA as coded language for the synthesis of polypeptide chain.2. It is so called as it transfers amino acids from cytoplasm over ribosomes during translation.
3. It's molecular weight varies from 5 million dalton to 2 million dalton.3. It's molecular weight is very low.
4. It is highly unstable and destroys with the synthesis of polypeptide chain.4. It is highly stable and are of various types depending upon the types of aminoacid participating in protein Synthesis.

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