Across
- 5. site of protein synthesis
- 6. produces ribosomes
- 9. unicellular organism that lacks a nucleus and membrane bound organelles
- 11. type of protein that speeds up a chemical reaction
- 12. energy-rich organic compounds such as fats, oils and waxs
- 13. acid macromolecule containing hydrogen,oxygen, nitrogen
- 14. cell that contains a nucleus and membrane bound organelles
- 16. study of living things
Down
- 1. macromolecule that is needed by the body for growth and repair
- 2. part of a cell containing DNA
- 3. molecule that can be bonded to other identical molecules to form a polymer
- 4. a long molecule consisting of many similar or identical monomers linked together
- 7. the starches and sugars present in foods, monomers are glucose
- 8. basic unit of matter
- 10. a group of atoms bonded together
- 15. reticulum cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another