Download App

Model Paper 2 — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYModel Paper 22 Marks
Question
During DNA replication, why is it that the entire molecule does not open in one go? Explain replication fork. What are the two functions that the monomen (dNTPs) play?
✓

Answer

self

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 "2 Marks Questions" from Model Paper 2→Model Paper 2 — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Write a note on medicinal value of biodiversity.
→
Which property of DNA double helix led Watson and Crick to hypothesis semiconservative mode of DNA replication? Explain
→
Why are some molecules called bioactive molecules? Give two examples of such molecules.
→
How is the presently occurring species extinction different from the earlier mass extinctions?
→
Once a person starts taking alcohol or drugs, why is it difficult to quit?
→
you are given a tall pea plant, how would you find out its genotype? Explain.
→
Explain the levels of biodiversity at genetic specific and ecological levels with the help of one example each.
→
What do you think is the significance of reproductive health in a society?
→
Since the origin of life on earth, there were five episodes of mass extinction of species.
  1. How is the 'Sixth Extinction', presently in progress, different from the previous episodes?
  2. Who is mainly responsible for the 'Sixth Extinction?
  3. List any four points that can help to overcome this disaster.
→
Match Column I with Column II.
S. No.
Column I
S. No.
Column II
A.
Acrosome
1. 
Motility of sperm towards the egg.
B.
Head
2.
Powerhouse of the sperm; contains a number of mitochondria.
C.
Tail
3.
Contains the genetic material.
D.
Middle piece
4.
Contains enzymes to dissolve egg envelopes.
→