BIOCHEMISTRY CROSSWORD

4. is a three-nucleotide sequence on tRNA complementary to an mRNA codon.
6. is a change in the nucleotide sequence of DNA.
7. if any, are part of the active site.
9. carries genetic information from DNA to ribosomes.
10. is an interaction that takes place at a position other than the active site but affects the active site either positively or negatively.
12. is the synthesis of RNA from a DNA template.
13. are compounds that slow enzyme action
15. is an important secondary messenger.
17. transports amino acids to the ribosome during protein synthesis.
19. the compound whose reaction is catalyzed by an enzyme
20. are also known as chemical messengers that interact with receptors.

1. is the main neurotransmitter
2. is a sequence of three nucleotides in mRNA that specifies an amino acid
3. are where genes are located
5. is the process by which ribosomes synthesize proteins using mRNA instructions.
8. is the process by which DNA makes an identical copy of itself.
11. are macromolecules that catalyze chemical reactions in the body.
14. are protein molecules embedded in the membranes of cells.
16. catalyze the addition of two groups to a double bond or the removal of two groups from adjacent atoms to create a double bond.
18. forms the structural and catalytic components of ribosomes