Answer:
The answer is true.. it is attached to the carbon backbone.
Biosphere 2 was a tremendous success, Many people don't realize that hundreds of papers were written about it.
A wall located outside the cell membrane provides the cell support, and protection against mechanical stress or damage from osmotic rupture and lysis. The major component of the bacterial cell wall is peptidoglycan or murein. This rigid structure of peptidoglycan, specific only to prokaryotes, gives the cell shape and surrounds the cytoplasmic membrane.
<span>Margarine contains unsaturated good fats as it is made from vegetable oils. This helps to lower lipoprotein or bad cholesterol.But butter is made from animal fat which contains more of saturated fats.This fat increases the cholesterol level in humans and so it is harmful in nature.</span>
