Write the main function of each of the following.
(a) Plasma membrane
(b) cell wall
(c) Ribosome
(d) Nucleolus
in 2 or 3 lines
Answers
Answer:
Plasma membrane:-protects the cell from its environment consisting of a lipid ..
(b) cell wall:- cell wall outermost parts of layer.
(c) Ribosome:-A ribosomal protein is any of the proteins that, in conjunction with rRNA, make up ... protein
(d) Nucleolus:-The nucleolus is the largest structure in the nucleus of eukaryotic cells.
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MAIN FUNCTION OF PLASMA MEMBRANE ARE FOLLOWING :-
= to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
MAIN FUNCTION OF CELL WALL ARE FOLLOWING :-
= The cell wall is the protective, semi-permeable outer layer of a plant cell. A major function of the cell wall is to give the cell strength and structure, and to filter molecules that pass in and out of the cell.
MAIN FUNCTION OF RIBOSOME ARE FOLLOWING :-
= Ribosomes are a cell structure that makes protein. Protein is needed for many cell functions such as repairing damage or directing chemical processes. Ribosomes can be found floating within the cytoplasm or attached to the endoplasmic reticulum.
MAIN FUNCTION OF NUCLEOLUS ARE FOLLOWING :-
= The nucleolus makes ribosomal subunits from proteins and ribosomal RNA, also known as rRNA. It then sends the subunits out to the rest of the cell where they combine into complete ribosomes. Ribosomes make proteins; therefore, the nucleolus plays a vital role in making proteins in the cell.
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