Bacterial cell membranes do not have cholesterol. The principal function of the cell membrane is to regulate the substances that enter the cell and the substances that move out of the cell. Cholesterol is a fat like substance that is found in all human cells; it is an important constituent of the cell membrane and it enhances the fluidity of the cell. Bacterial have plasma membrane but the membrane do not contain cholesterol.
The universal genetic code has a some kind of relationship to the hypotheses believed by many people as to the origin of life on the Earth. It is believed that both shared the life on Earth just like how a cell passes genetic information from one microsphere to another.
Answer:
D
Explanation:
Increse in the Greenhouse Gases throughout the atmospshere
A diverse community would be more resistant because firstly, the different animals can build immunity to the other animals diseases and sometimes only certain species will be effected by a certain disease. Instead of everything being wiped out, only a small part of the community will.
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