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5 Written Questions

5 Matching Questions

  1. promoter
  2. P site
  3. terminator
  4. E site
  5. one gene-one polypeptide hypothesis
  1. a One of a ribosome's three binding sites for tRNA during translation. The place where discharged tRNAs leave the ribosome.
  2. b 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
  3. c A specific nucleotide sequence in DNA that binds RNA polymerase and indicates where to start transcribing RNA
  4. d In prokaryotes, a special sequence of nucleotides in DNA that marks the end of a gene. It signals RNA polymerase to release the newly made RNA molecule, which then departs from the gene.
  5. e The premise that a gene is a segment of DNA that codes for one polypeptide.

5 Multiple Choice Questions

  1. A 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.
  2. A region of a DNA molecule that is transcribed into an RNA molecule.
  3. A three-nucleotide sequence of DNA or mRNA that specifies a particular amino acid or termination signal; the basic unit of the genetic code.
  4. out, outside, without
  5. An enzyme that links together the growing chain of ribonucleotides during transcription.

5 True/False Questions

  1. anti-opposite ex: anticodon

          

  2. template strandIn prokaryotes, a special sequence of nucleotides in DNA that marks the end of a gene. It signals RNA polymerase to release the newly made RNA molecule, which then departs from the gene.

          

  3. ribosomeA cell organelle constructed in the nucleolus and functioning as the site of protein synthesis in the cytoplasm; consists of rRNA and protein molecules, which make up two subunits.

          

  4. trans-opposite ex: anticodon

          

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

          

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