Which one among the following cell organelles is semi-permeable?

AIDS is caused by Human immunodefifiency Virus (HIV) which is

Consider the following statements regarding osmosis in animal cells:

1. If the water potential of the solution surrounding the cell is too high, the cell shrinks.
2. If the water potential of the solution surrounding the cell is too low, the cell swells and bursts.
3. It is important to maintain a constant water potential inside the animal body.
4. In animal cells, water potential far exceeds the solute potential.

Which of the statements given above is/are correct?

Consider the following diseases :

1. Cholera
2. Tuberculosis
3. Filaria
4. Typhoid

Which of the above diseases are caused by bacteria?

The sex of a newborn baby is determined by the chromosome inherited from

The Nobel Prize in Medicine for the year 2012 has been awarded to John B. Gurdon and Shinya Yamanaka for the discovery that