Across
- 4. prevent infections and diseases
- 5. two or more alternative forms of a gene that are responsible for hereditary variation
- 9. carries genetic information in the form of genes.
- 11. all where genetic information is stored
- 13. responsible for the elastic and contractile properties of muscle. It combines with actin
- 14. a full set of chromosome pairs
- 16. a salt
- 17. coding segments of DNA
- 18. the structural framework of nucleic acids
- 23. is the process of making an RNA copy of a gene sequence in a DNA strand
- 25. has a double membrane and is responsible for energy production within the cell
- 28. the base that joins with adenine
- 29. The constricted region joining the two sister chromatids that make up an X-shaped chromosome.
- 33. a sugar component of DNA
- 34. responsible for lipid synthesis and transporting molecules around the cell
- 35. the building blocks of proteins
- 38. the template of protein synthesis
- 39. responsible for breaking down molecules to be removed from the cell
- 42. the base that joins with cytosine
- 43. the base that joins with thymine
Down
- 1. long threads of protein apart of muscle contraction and relaxation and forms together with myosin
- 2. responsible for packaging and transporting molecules to other parts of the cell
- 3. a unit of heredity which is transferred from a parent to offspring
- 6. acts like a catalysts
- 7. a base that is one of the fundamental components of RNA
- 8. a red protein responsible for transporting oxygen in the blood
- 9. a protein from milk
- 10. a sugar of RNA
- 11. inside the nucleus and to code RNA and produces ribosomes
- 12. the number and visual appearance of the chromosomes
- 15. used for storage or for waste to be moved out of the cell
- 19. DNA bases are held together by these
- 20. is the process of translating the sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids
- 21. surrounds the cytoplam of the cell and controls what goes in and out of the cell
- 22. a messenger carrying instructions from DNA for controlling protein synthesis
- 24. a chain of amino acids
- 26. one set of chromosomes
- 27. a compound of phosphate, sugar and bases
- 30. the organelle where proteins are made
- 31. the gooey substance between the cell membrane and the nucleus
- 32. a fibrous protein forming the main structural constituent of hair, feathers, hoofs, claws, horns, etc.
- 36. the base that joins with guanine
- 37. series is responsible for making new proteins
- 40. carrier of genetic information
- 41. the sequence of a three nucleotides which together form a unit of genetic coding