Questions

A nitrogenous base, or nitrogen-containing base, is an organic molecule with a nitrogen atom that has the chemical properties of a base. The main biological function of a nitrogenous base is to bond nucleic acids together. A nitrogenous base owes its basic properties to the lone pair of electrons of a nitrogen atom.

In DNA, four bases have been found. They are

1. Adenine (A),

2. Guanine (G),

3. Cytosine (C) and

4. Thymine (T).

The first three of these bases are found in RNA also but the fourth which is Uracil (U) is absent in it.

RNA contains cytosine and uracil as pyrimidine bases while DNA has cytosine and thymine.

W is the symbol for chemical element Tungsten or Wolfram.

It is used in making filaments of bulbs.

State that you are quite happy with your career progress barring few mistakes that could be avoided. Highlight some of mistakes you committed and how you have rectified them. While answering, you should take all responsibilities for where you are, how you’ve gotten there, where you are going…and you harbor no regrets.

A Jigsaw puzzle.

A river which can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps.

River Congo is the only river which crosses the equator twice.