Ch 8 Biology 2024

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Across
  1. 2. signifies the start of the protein-encoding sequence in mRNA
  2. 3. type of RNA that combines with proteins to form ribosomes
  3. 7. single-stranded nucleic acid that contains the sugar ribose
  4. 8. What Nitrogen Containing Base pairs with Cytosine?
  5. 11. A change in the chromosome structure
  6. 13. What type of bond binds together amino acids to make a protein?
  7. 16. A chemical or physical agent that interacts with DNA and causes a mutation.
  8. 17. Copying process by which a cell duplicates its DNA
  9. 19. mutation that changes a single nucleotide, but does not change the amino acid
  10. 21. substution of wrong nucleotide into DNA that produces an early stop
  11. 22. Part of a chromosome that codes for a specific protein?
  12. 24. Pairs with "A" in DNA
  13. 25. gene mutation in which a single base pair in DNA has been changed
  14. 26. What type of bond binds the base pairs in DNA
  15. 27. Brings amino acids to the ribosomes
  16. 28. synthesis of an RNA molecule from a DNA template
  17. 29. Process by which mRNA is decoded and a protein is produced
  18. 31. Pairs with "A" in mRNA
Down
  1. 1. A substitution that results in a codon that codes for a different amino acid.
  2. 4. the building block of DNA
  3. 5. DNA -> RNA -> Protein
  4. 6. three-nucleotide sequence on messenger RNA that codes for a single amino acid
  5. 9. Where translation occurs
  6. 10. Shape of DNA
  7. 12. codon that signals to ribosomes to stop translation
  8. 14. RNA molecule that carries copies of instructions
  9. 15. enzyme that links together the growing chain of RNA nucleotides
  10. 18. the rules stating that C pairs with G and A pairs with A in DNA
  11. 20. group of three bases on a tRNA
  12. 23. mutation that shifts the "reading" frame of the genetic message
  13. 30. Where transcription occurs