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5 Written questions

5 Matching questions

  1. genetic code
  2. Cytosine
  3. ribosome
  4. Protein Synthesis
  5. RNA
  1. a the ordering of nucleotides in DNA molecules that carries the genetic information in living cells
  2. b The base that pairs with Guanine with DNA
  3. c (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes EX. it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in th
  4. d an organelle in the cytoplasm of a living cell which attach to mRNA and move down it one codon at a time and stop until tRNA brings the required amino acid; when a ribosome reaches a stop codon it falls apart and releases the completed protein molecu
  5. e the formation of proteins by using information contained in DNA and carried by mRNA

5 Multiple choice questions

  1. (genetics) the process whereby DNA makes a copy of itself before cell division
  2. initiation; elongation; termination A ribosome assembles on the start codon AUG-->tRNA with the anticodon UAC, and carrying the amino acid methionine, binds to the codon-->tRNA complimentary the the 2nd mRNA triplet binds to its codon-->amino acid that's carried by the 2nd tRNA binds to the methionine-->1st tRNA leaves the P site of the Ribosome and the 2nd tRNA moves there which leaves the A site of the ribosome open for the 3rd tRNA to bind to its codon--> 3rd amino acid is added to the chain
  3. The base that pairs with Cytosine in DNA
  4. a non-coding, intervening sequence within a eukaryotic gene
  5. (genetics) the organic process whereby the DNA sequence in a gene is copied into mRNA EX. the process whereby a base sequence of messenger RNA is synthesized on a template of complementary DNA

5 True/False questions

  1. PromotersRegion of DNA that indicates to an enzyme where to bind to make RNA


  2. thymineThe base that pairs with Thymine in DNA


  3. AdenineThe base that pairs with Thymine in DNA


  4. DNA mutationWhen an error is made during DNA replication. It is the basis of all genetic variability. If there is a mistake in DNA replication then the RNA is affected, so amino acids and proteins are affected too.


  5. Extronsexpressed sequence of DNA; codes for a protein