Biology

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Across
  1. 2. - An enzyme that unwinds the DNA double helix during replication.
  2. 5. - A part of a gene that is expressed and codes for proteins.
  3. 6. - A three-nucleotide sequence in tRNA that pairs with the codon in mRNA.
  4. 7. - Messenger RNA, carries genetic information from DNA to the ribosome.
  5. 10. - The spiral structure of DNA.
  6. 12. - A nitrogenous base in DNA and RNA, pairs with guanine.
  7. 14. - The basic building block of nucleic acids like DNA and RNA.
  8. 18. - A nitrogenous base in DNA and RNA, pairs with thymine (or uracil in RNA).
  9. 19. - The process of decoding mRNA into a sequence of amino acids to form proteins.
Down
  1. 1. - An enzyme that helps in the synthesis of RNA from a DNA template.
  2. 3. - A nitrogenous base in DNA and RNA, pairs with cytosine.
  3. 4. - A non-coding section of a gene that is removed during RNA splicing.
  4. 8. - The cellular structure where protein synthesis occurs.
  5. 9. - An enzyme that joins together fragments of DNA.
  6. 11. - A nitrogenous base in DNA, pairs with adenine.
  7. 13. - The molecule that carries genetic information in living organisms.
  8. 15. - A three-nucleotide sequence in mRNA that codes for an amino acid.
  9. 16. - Transfer RNA, helps in the translation process by bringing amino acids to the ribosome.
  10. 17. - The process of copying a segment of DNA into RNA.
  11. 20. - A nucleic acid that plays a key role in protein synthesis.