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5 Written questions

5 Matching questions

  1. mutation
  2. P site
  3. -script
  4. exo-
  5. point mutation
  1. a out, outside, without
  2. b write ex: transcription
  3. c 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
  4. d A rare change in the DNA of a gene, ultimately creating genetic diversity.
  5. e A change in a gene at a single nucleotide pair

5 Multiple choice questions

  1. An enzyme that links together the growing chain of ribonucleotides during transcription.
  2. The synthesis of RNA on a DNA template.
  3. The premise that a gene is a segment of DNA that codes for one polypeptide.
  4. A mutation involving the addition of one or more nucleotide pairs to a gene.
  5. Modification of RNA before it leaves the nucleus, a process unique to eukaryotes.

5 True/False questions

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

          

  2. E siteOne of a ribosome's three binding sites for tRNA during translation. Holds the tRNA carrying the next amino acid to be added to the polypeptide chain.

          

  3. primary transcriptAn initial RNA transcript; also called pre-mRNA when transcribed from a protein-coding gene

          

  4. 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.

          

  5. transfer RNA (tRNA)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.

          

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