Across
- 4. Can affect every codon in a particular genetic sequence
- 5. pairs with adenine
- 8. Mixes the food with gastric acid and breaks down the food
- 9. The strand which replicates in chunks 2words
- 10. untwists the helix
- 11. A change in the heritable characteristics of populations over generations
- 12. the enzyme that carries out the replication 2words
- 13. mRNA is sent to the cytoplasm, where it bonds with ribosomes
- 17. British naturalist who is best known for his contributions to evolutionary theory
- 18. removes metabolic and liquid toxic wastes as well as excess water from the organism
- 19. Pumps the blood throughout the body
- 23. pairs with guanine
- 24. What is the first step in transcription?
Down
- 1. The first strand, which replicates nucleotides one by one 2words
- 2. Errors in codons caused by changes in nucleotide bases
- 3. What is an enzyme that moves with the replication fork & synthesizes numerous RNA primers?
- 6. The change in nucleotide base has no outward effect 2words
- 7. produced in the salivary glands
- 9. produces urea and uric acid as a by-product of the breakdown of proteins
- 14. an inherited characteristic that becomes prevalent because it provides an advantage
- 15. The ability to survive to reproductive age, find a mate, and produce offspring
- 16. What is a single-stranded nucleic acid?
- 20. pairs with uracil
- 21. What is the sugar that RNA contains?
- 22. Where does the process of digestion begin?