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5 Written Questions

5 Matching Questions

  1. messenger RNA (mRNA)
  2. anti-
  3. exo-
  4. RNA splicing
  5. point mutation
  1. a A type of RNA, synthesized from DNA, that attaches to ribosomes in the cytoplasm and specifies the primary structure of a protein.
  2. b A change in a gene at a single nucleotide pair
  3. c The removal of noncoding portions (introns) of the RNA molecule after initial synthesis.
  4. d opposite ex: anticodon
  5. e out, outside, without

5 Multiple Choice Questions

  1. 1) A deficiency in a chromosome resulting from the loss of a fragment through breakage. (2) A mutational loss of one or more nucleotide pairs from a gene.
  2. An enzyme that links together the growing chain of ribonucleotides during transcription.
  3. The synthesis of a polypeptide using the genetic information encoded in an mRNA molecule. There is a change of languagefrom nucleotides to amino acids
  4. A specialized base triplet at one end of a tRNA molecule that recognizes a particular complementary codon on an mRNA molecule.
  5. A rare change in the DNA of a gene, ultimately creating genetic diversity.

5 True/False Questions

  1. RNA processingThe removal of noncoding portions (introns) of the RNA molecule after initial synthesis.

          

  2. base-pair substitutionA mutation occurring when the number of nucleotides inserted or deleted is not a multiple of three, resulting in the improper grouping of the following nucleotides into codons.

          

  3. poly-many

          

  4. trans-opposite ex: anticodon

          

  5. template strandThe DNA strand that provides the template for ordering the sequence of nucleotides in an RNA transcript.

          

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