Across
- 2. Mistakes in replication may cause ...
- 5. A ... is a sequence of bases on a DNA molecule coding for a sequence of amino acids in a polypeptide chain.
- 7. Adenine,cytosine,guanine and ...
- 9. Each of the two DNA molecules now contains one old strand and one new strand.
- 11. Mrna, Trna and ...
Down
- 1. Dna is one type of nucleic acid called ...
- 3. a mononucleotide contains a phosphate group, an organic group and a ... sugar.
- 4. Rna has ... but Dna doesnot.
- 6. The two chains of nucleotides are held together by ...
- 7. Part of protein synthesis, takes place in the nucleus.
- 8. All the genes in an individual or species are known as the ...
- 10. Part of protein synthesis,takes place on the ribosomes.