Major component of ecological niche

1. Space Habitat

2. Eating habit

3. Environmental variant

#Id: 7733

#XL - Q Biochemistry

Atoms are made of the same three basic particles: protons, neutrons, and electrons.

#Id: 8132

#XL - Q Biochemistry

Lipids as pigments in plants and bird feathers.

Birds acquire the pigments that color their feathers red or yellow by eating plant materials that contain carotenoid pigments, such as canthaxanthin and zeaxanthin.

The differences in pigmentation between male and female birds are the result of differences in intestinal uptake and processing of carotenoids.

#Id: 8131

#XL - Q Biochemistry

#Id: 8130

#XL - Q Biochemistry

#Id: 8129

#XL - Q Biochemistry

Some other biologically active isoprenoid compounds or derivatives.

#Id: 8127

#XL - Q Biochemistry

β-Carotene is the precursor of vitamin A1.
Oxidation at C-15 converts retinol to the aldehyde, retinal, and further oxidation produces retinoic acid, a hormone that regulates gene expression.