Biology Quiz

2. _____ plays an important role in photosynthesis captures sunlight.
3. ____ perform vital functions-such as holding cells together-and form protective and functional barriers.
6. _____ are channels that physically connect adjacent cells, mediating the rapid exchange of small molecules.
7. _____ are microtubule-based short hair-like organelles that extend from the surface of almost all cell types in the human body.
8. Genetic material contained within the ____ of the cell.
9. ______ makes lipids, degrades fats, and inactivates toxins.
13. _____ is a jelly-like substance between the nucleus and the cell membrane that contains the cells various organelles like ribosomes, mitochondria, endoplasmic reticulum, etc., which are suspended there.
15. is a structure that helps cells maintain their shape and internal organizations , and it also provides mechanical support that enables cells to carry out essential functions like division and movement.
16. The _______ controls what enters and leaves the cell.
17. The function of the _____ in plants is for structure and protection.

1. This structure is directly responsible for the formation of proteins within the cell; maybe located on the rough ER or free in the cytoplasm.
2. ____ is the Intra-celluar fluid that is present inside the cells; comprised of water, dissolved ions, large water-soluble molecules, smaller minute molecules and proteins.
4. Located within the nucleus, it is responsible for producing ribosomes.
5. The function of this organelle is to store water; large ones are found in plants.
10. _____ helps in ATP production.
11. Digest worn out cell organelles and completely break down cells after they have died; sometimes called suicide bags.
12. Functions primarily as motility organelle that enables movement.
14. The ____ modifies, sorts and ships lipids for export or insertion into the cell membrane.