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5 Written questions

5 Matching questions

  1. Introns
  2. Replication
  3. DNA mutation
  4. Transcription
  5. Steps of Protein Synthesis
  1. a (genetics) the process whereby DNA makes a copy of itself before cell division
  2. b (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
  3. c When 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.
  4. d DNA strand unwinds and separates, one strand directs synthesis of mRNA, RNA polymerase binds to promoter sequence, nucleotides are added
  5. e a non-coding, intervening sequence within a eukaryotic gene

5 Multiple choice questions

  1. expressed sequence of DNA; codes for a protein
  2. The base that pairs with Cytosine in DNA
  3. (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix EX. associated with the transmission of genetic information; "DNA is the king of molecules"
  4. (genetics) the process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm
  5. The base that pairs with Thymine in DNA

5 True/False questions

  1. ribosomean 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

          

  2. genetic codeThe base that pairs with Thymine in DNA

          

  3. thymineThe base that pairs Adenine in DNA

          

  4. Protein SynthesisDNA strand unwinds and separates, one strand directs synthesis of mRNA, RNA polymerase binds to promoter sequence, nucleotides are added

          

  5. Promotersan 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