Cell: The Unit Of Life 2

7. - Single-celled microorganisms without a nucleus.
11. - The living substance inside the cell, including the cytoplasm and nucleus.
12. - Small openings on the surface of leaves for gas exchange.
13. - The green pigment in plants responsible for photosynthesis.
15. - Movement of particles from an area of high concentration to low concentration.
16. - Infectious agent that can only replicate inside a host cell.
18. - Helps in cell division in animal cells.
19. - Structure involved in moving chromosomes during cell division.
20. - Group of cells with a similar structure and function.

1. - Thread-like structure carrying genetic information.
2. - Long, whip-like structures used for movement.
3. - The membrane that encloses the cell.
4. - Specialized cell in some animals like jellyfish, used for capturing prey.
5. - Organisms with cells that contain a nucleus.
6. - Temporary projections of eukaryotic cell membranes or unicellular protists.
8. - Membrane surrounding the vacuole in plant cells.
9. - Movement of water across a semi-permeable membrane.
10. - Hair-like structures aiding in movement.
14. - Non-pigmented organelles in plant cells used for storage.
17. - Double-membraned organelles in plant cells involved in the synthesis and storage of food.