Across
- 3. The two stages of protein synthesis are ___ and translation.
- 5. What enzyme breaks down lipids?
- 7. A type of monosaccharide.
- 9. In an animal cell, what organelle contains the DNA?
- 11. A characteristic controlled only by environmental factors
- 12. Tubes of the circulatory system that carry oxygen-depleted blood towards the heart.
Down
- 1. Is oxygenated blood lighter or darker in colour?
- 2. What does one gene encode?
- 4. A hormone that controls the menstrual cycle and human reproduction.
- 6. What organelle keeps a cell rigid by pushing outwards?
- 8. A process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.
- 10. A main structure of the eye.
- 13. What type of cells are unspecialised?