Answer:
There are different types of proteins present which are made of amino acid sub-units. Proteins play various important functions in an organism's body. Some of these functions are:
- Growth and maintenance of cells and individuals.
- Antibodies are proteins which provide immunity.
- Enzymes are proteins which catalyze different reactions.
- Many proteins allow movement of substances inside and outside of the cell membrane. They are known as carrier proteins.
- Many proteins serve as structural proteins.
I think the answer is oxygen, but not 100% sure
cells all feature a nucleus, and their organelles are enclosed inside
Answer:
a magnification of output
Explanation:
As I think option D is the correct one.
