What molecule makes up the majority of the cell membrane? 1. Proteins 2. Lipids 3. Carbs 4. Nucleic Acid One right answer only

2.lipids

Explanation:

The membrane is made out of a phospholipid bilayer. This is the basic structure of the membrane.

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.