Biology crossword

5. is an enzyme that synthesizes short RNA sequences called primers
6. small circular DNA strand in the cytoplasm
10. the deliberate modification of the characteristics of an organism by manipulating its genetic material.
13. A pyrimidine derivative, it is paired with adenine in double-stranded DNA.
14. pair of complementary bases in a double-stranded nucleic acid molecule
15. a compound that occurs in guano and fish scales,
17. a sugar derived from ribose by replacing a hydroxyl group with hydrogen.
19. main function is to unpackage an organism's genes

1. a sequence of three nucleotides that together form a unit of genetic code
2. organism that contains genetic material that isnt its
3. the action of copying or reproducing something
4. transplantation of normal genes into cells in place of missing or defective ones
7. genetically identical.
8. sequence of nucleotide triplets in a messenger RNA molecule gives rise to a specific sequence of amino acids during synthesis of a polypeptide or protein.
9. enzymes enzyme produced chiefly having the property of cleaving DNA
11. compound found in living tissue as a constituent base of nucleic acids.
12. enzyme that brings about ligation of DNA
16. scientific tests or techniques used in connection with the detection of crime.
18. compound that is one of the four constituent bases of nucleic acids.