Across
- 2. Wall a rigid layer outside the cells of plants
- 5. a network of membranous tubules within the cytoplasm of a eukaryotic cell
- 8. composed of one or more long chains of amino acids
Down
- 1. the semipermeable membrane surrounding the cytoplasm of a cell
- 3. deoxyribonucleic acid
- 4. the pattern of genetic makeup
- 6. consisting of RNA and associated proteins
- 7. an organelle found in large numbers in most cells