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5 Written questions

5 Matching questions

  1. transfer RNA (tRNA)
  2. 5' cap
  3. primary transcript
  4. E site
  5. P site
  1. a An RNA molecule that functions as an interpreter between nucleic acid and protein language by picking up specific amino acids and recognizing the appropriate codons in the mRNA.
  2. b One of a ribosome's three binding sites for tRNA during translation. The place where discharged tRNAs leave the ribosome.
  3. c An initial RNA transcript; also called pre-mRNA when transcribed from a protein-coding gene
  4. d The end of a pre-mRNA molecule modified by the addition of a cap
  5. e One of a ribosome's three binding sites for tRNA during translation. Holds the tRNA carrying the growing polypeptide chain. (P stands for peptidyl tRNA

5 Multiple choice questions

  1. write ex: transcription
  2. across ex:transcription
  3. many
  4. A mutation involving the addition of one or more nucleotide pairs to a gene.
  5. within ex: intron

5 True/False questions

  1. missense mutationThe most common type of mutation, a base-pair substitution in which the new codon makes sense in that it still codes for an amino acid.

          

  2. intronA noncoding, intervening sequence within a eukaryotic gene.

          

  3. mutagenA chemical or physical agent that interacts with DNA and causes a mutation.

          

  4. mutationA chemical or physical agent that interacts with DNA and causes a mutation.

          

  5. transcription unitThe synthesis of RNA on a DNA template.