Download App

STD 12 - 5. molecular basis of inheritance — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
Transcription of $DNA$ is aided by
  • ✓
    $RNA$ polymerase
  • B
    $DNA$ polymerase
  • C
    Exonuclease
  • D
    Recombinase
✓

Answer

Correct option: A.
$RNA$ polymerase
a
(a)Enzyme involved in transcription is $RNA$ polymerase -$II$ which consist five polypeptide $\alpha ,\beta ,\beta ,\omega $ and $\sigma $.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q [1M]" from STD 12 - 5. molecular basis of inheritance→STD 12 - 5. molecular basis of inheritance — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

The process of evolution in which species inhabiting the same area with different evolutionary lineage resemble each other is known as:
→
Identify the correct type of food chain.

Dead animal $\rightarrow$ Blow flymaggots $\rightarrow$ Common frog $\rightarrow$ Snake

→
$A$ - Aspergillus niger is a bacterium.

$R$ - Lactobacillus is a fungi.

→
Two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
→
When an individual is having both the alleles of a contrasting character, it is said to be
→
In agarose gel electrophoresis, DNA molecules are separated on the basis of their:
→
Choose the right one among the statements given below:
→
Which one of the following is not the function of placenta?
→
The giant with scary row-like teeth was:
→
Crey 1AB controls :
→