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प्रश्न
Give functions.
Lysosome
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उत्तर १
- Immune system - It destroys viruses and bacteria that attack the cell.
- Demolition squads - It destroys worn-out cellular organelles and organic debris. (Autolysis)
- Suicide Bags - When a cell becomes old or is damaged, lysosomes burst and enzymes digest their own cells.
- During starvation, lysosomes digest stored proteins, fats.
उत्तर २
Functions of lysosomes:
- Lysosomes destroy foreign materials that enter the cell.
- Dead and worn-out organelles are removed by lysosomes.
- Cells are autolysed by lysosomes, and their contents are released within the cell.
संबंधित प्रश्न
Complete the crossword with the help of clues given below.
Across
1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.
Down
1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.
Write short note on the following :
(a) Golgi apparatus
(b) Mitochondria
Who am I?
I am single layered, but maintain cellular osmotic pressure.
Who am I?
I support the cell, but I am not a cell wall. I have a body resembling a net.
Give functions.
Vacuole
Fill in the blanks :
More than a thousand chromosomes are found in the nucleus of certain _______.
Fill in the blanks:
______ membrane is a selectively permeable membrane.
Identify the cellular structure with the help of the following clue:
It synthesizes the respiratory enzymes.
Identify the cellular structure with the help of the following clue:
It gives turgidity to the plant cells.
Name the following:
The part of cytoplasm which is devoid of the organelles.
