Biology Questions

Niacin is the name for vitamin(B3).

Liver can produce small amount of niacin from tryptophan.

To produce 1 mg of niacin we require 60 mg of tryptophan.

Antidepressants work by stopping the breakdown of norepinephrine, dopamine, and serotonin. They're more difficult for people to take than most other antidepressants because they interact with prescription drugs, nonprescription drugs, and some foods.

Color blindness primarily affects males as the the genes responsible for the most common, inherited color blindness are on the X chromosome, hence, primarily affects males.

Eukaryotic cells are found in plants, animals and unicellular organisms.

The three main part of Eukaryotic cells are

1. Plasma membrane or membrane-bound organelles which carries out the cell functions.

2. Nucleus which contains the cell's DNA (and)

3. Cytoplasm which is a jelly like fluid interior of the cell.

The function of a protein macromolecule is

- Moving things in and out of cells.

- Transporting other molecules in the body.

- Making up the connective tissue in tendons.