The basic structure of a cell membrane is formed by phospholipids, or the lipid bi-layer.
Sample could get contaminated with an acid. because vinegar contains acetic acid.Acetic acid is the second simplest carboxylic acid (after formic acid) and consists of two small functional groups, an acetyl group (sometimes symbolized as Ac) and a hydroxyl group (AcOH); it can also be viewed as a methyl group and a carboxyl group linked. It is an important chemical reagent and industrial chemical
They are called "products".
Answer:
Histamine
Explanation:
Histamine works by binding to histamine receptors on the surface of cells.
Answer:
The main environmental factors that lead to genetic variation is a change in temperature and light.
Explanation: