Related Questions

All genes on the inactivated X chromosome are transcriptionally silent.
S1: Films developed from the silent stage to the talkie stage with a tremendous mass appeal.
P: Film makers of those days used film media to portray our struggle for freedom.
Q: The thirties and forties were decades of tremendous social, political and cultural upheavals.
R: That is what 'Alam Ara' did to the delirious delight of the audience and thus triggered off a revolution.
S: In the turbulent thirties, the silent Indian films began to talk, sing and dance.
S6: Extolling the virtues of bravery and making patriotic films was the order of the day.

The Proper sequence should be:
Which of the following chromatins are said to be transcriptionally active and inactive respectively?
The whole length of DNA is transcriptionally active.
The nucleus of the sperm cell is highly condensed and transcriptionally inactive.
The chromatin which permanently remains in the heterochromatic region is
With reference to the movement of molecules of fluid in plant, consider the following statements.
1. Diffusion is the movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration.
2. Osmosis is a process in which the water molecules move through a semipermeable membrane from the region of their lower concentration to the region of their higher concentration.
Which of the statement(s) given above is/are correct ?
Which of the following statements are correct?
1. During the period of the fetus actual growth and development is greater than during the period of embryo.
2. During the period of the embryo and fetus growth follows law of developmental direction.
3. Towards the end of the period of the fetus the amount of activity in the leg region is similar to that of the head region.
4. Muscles in the head region comeunder voluntary control first and those in the leg region later.
Select the correct answer
Which scientist coined the term chromatin?
What are the additional set of proteins which are required for the packaging of chromatin at the higher levels known as?