Answer:
The cell membrane is composed mainly of phospholipids, which consist of fatty acids and alcohol. The phospholipids in the cell membrane are arranged in two layers, called a phospholipid bilayer.
Explanation:
Answer:
RNA primer
Explanation:
the DNA polymerase can't synthesize DNA without an 3' ending, the primase enzyme synthesize an RNA primer that brings to the DNA polymerase the 3' spot so she can finally starts the new DNA chain.
The answer is b, chloroplast.
Answer:
adding chlorine, checking the water.
Explanation:
Because this increases the quality of the water while the rest improve either quantity, or ease of access.
