Molecular Basis of Inheritance Question 56
56. Which one of the following is wrongly matched?
[2014]
(a) Transcription - Writing information from DNA to tRNA.
(b) Translation-Using information in mRNA to make protein
(c) Repressor protein - Binds to operator to stop enzyme synthesis.
(d) Operon - Structural genes, operator and promoter.
Show Answer
Answer : a
Hints & Solution
(a) Process of copying genetic information from DNA to RNA is called transcription. At a time only one DNA strand is being transcribed into RNA. The strand of DNA with polarity $3^{\prime} \to 5^{\prime}$ ‘act as template strand and the DNA strand with polarity $5^{\prime} \to 3^{\prime}$ act as coding strand.
