Answer;
Cell membrane
A cell membrane acts as a boundary that separates things that are inside the system from those that are outside the system.
Explanation;
It is a thin semipermeable structure that surrounds the cytoplasm of a cell.
The membrane functions to protect the integrity of the internal environment of the cell by allowing selective movements of materials in and out of the cell.
The membrane consists of a phospholipid bilayer with proteins embedded in it.
Answer:
B.
Explanation:
Keeping and understanding food safety knowlege prevents the consumer from getting sick.
Answer:
Carbohydrates are sugars. Nucleic acids are the building blocks for DNA and RNA.
Explanation:
Definitely Matter notes.. Matter is made up of any and almost everything.! It cannot be changed or destroyed, is gas, solid or liquid and is made up of atoms (isotones)
