all cell membranes are made of lipids
The answer is the salivary gland.
Saliva is secreted through the surface of the tongue.<span />
Answer:
It is important because it slows down the spread of any type of disease
Explanation:
A kid might have resistance against the virus but if the kid has a illness or disease the kid will have a higher chance of getting the disease.
(Like the coronavirus)
Answer:
Like other cells, prokaryotic cells have a plasma membrane (see Figure below). It controls what enters and leaves the cell. It is also the site of many metabolic reactions. For example, cellular respiration and photosynthesis take place in the plasma membrane.
Most prokaryotes also have a cell wall. It lies just outside the plasma membrane. It gives strength and rigidity to the cell. Bacteria and Archaea differ in the makeup of their cell wall. The cell wall of Bacteria contains peptidoglycan, composed of sugars and amino acids. The cell wall of most Archaea lacks peptidoglycan.
Explanation: