029. Waite main function of the following-
i Nucleus
iv) Lysosomes
ii) Endo Plasmic Reticulian V mitochondria
ii) belgi Apparatuur Vil Vacuoles
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Answers
The functions of the given are :
(a) Plasma membrane
It separates the content of the cell from its surroundings.
It regulates the entry of certain solids and ions into the cell.
It maintains the shape of the cell that is the animal cell.
(b) Ribosome
Its main function is Protein synthesis.
(c) Lysosome
Intracellular digestion and Destroy foreign substances.
When a cell is old or injured this rapidly destroy organelles hence called suicide bags.
(e) Golgi apparatus
Synthesis and secretion of enzymes, hormones and etc.
The formation of acrosome of sperm.
(d) Mitochondria
Release of energy form pyruvic acid produced in the cytoplasm in the form of ATP and helps in the Synthesis of respiratory enzymes.
(f) Cytoplasm
Different organelle is contained in it perform different functions.
All metabolic activities occur in it.
Medium of earlier steps of respiration
(g) Asters of centrosome
Present in an animal cell and helps during the process of mitosis.
(h) Chromosomes
Chromosomes carry hereditary information or genes.
(i) Glycogen granule
Starch glycogen and fat containing granules serve as food for the cell.
(j) Vacuoles
Storage of water and other substances, food pigments and waste products.
Give turgidity to the plant cell by pressing against a cell wall.