Across
- 3. the cellular machinery responsible for making proteins.
- 6. is the smallest unit of a substance that maintains the properties of that element.
- 10. in eukaryotic cells a proces of cell division that forms two new nucleid each of wich has the same number of chromosomes.
- 12. the cytoplasmic network of protein filaments that plays an essential role in cell movement, shape, and division.
- 13. A system of membranes that is found in a cell cytoplasm and processes the transport of proteins and the production of lipids.
- 16. a molecule made up of subunits called nucleotides.
- 17. A fluid- filled vesicle found in the cytoplasm of plant cells or protozoans.
- 18. a substance that cannot be broken down into simpler substances by chemical means.
- 19. In eukaryotic cells the organelle that is the site of.
- 20. the main tenancy of a constant internal environment.
Down
- 1. the process by which cells use oxygen to produce energy from food.
- 2. the process by which plants algae and some bacteria use sunlight carbon dioxide and water to make food
- 4. A cell organelle that contains digestive enzymes.
- 5. the arrangement of parts in a organism.
- 7. a fat molecule or a molecule that has similar properties example include oils,waxes,and steroids.
- 8. a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate process in the body.
- 9. a rigid structure that surrounds the cell membrane and provides supot to the cell.Organ a collection of tissiuses that can carry out a specific function of the body.
- 11. the special normal or proper activity of an organ part.
- 14. A living thing anything that can carry out life processes independently.
- 15. A class of molecules that includes sugars starches and fiber contains carbon hydrogen and oxygen.
