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Molecular Basis Of Inheritance

Question
CBSEENBI12003342
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Which of the following set of options is used in translation

  • hnRNA, tRNA, rRNA

  • mRNA, tRNA, rRNA

  • mRNA, tRNA, hnRNA

  • hnRNA, rRNA, tRNA

Solution

B.

mRNA, tRNA, rRNA

hnRNA (heterogeneous nuclear RNA) does not function until it undergoes processing. Post-transcriptional processing converts hnRNA into functional RNA, which then participates in translation (protein synthesis). mRNA, tRNA and rRNA are the functional RNAs which take part in translation.

Some More Questions From Molecular Basis of Inheritance Chapter

List the number of base pairs in :

(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.

Comment two chains of DNA have antiparallel polarity.

What is the difference between DNAs and DNAase ?

Which was first genetic material ?

Suggest one evidence to prove that RNA was first genetic material.

Why was RNA unstable ?

What made DNA more preferrable as genetic material ?

Process of replication is completed in how much time in E.coli ?

What is average rate of polymerization ?

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