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5 Written questions

5 Matching questions

  1. Transcription
  2. DNA mutation
  3. Guanine
  4. Steps of Transcription
  5. Steps of Translation
  1. a (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
  2. b initiation, elongation, termination Transcription unit of DNA--> Upstream from transcription unit is TATA box (promoter)--> May or may not have Enhancer region--> Transcription factors bind to the DNA using the promoter to position itself near initiation site--> TFs prepare DNA for binding of RNA polymerase-->RNA pol separates DNA strands so it can add ribonucleotide triphosphate monomers to the RNA transcript--> RNA Polymerase reads the template strand from its 3'→5' end and the RNA grows from 5'→3'-->RNA Polymerase dissociates and the RNA strand is released
  3. c 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
  4. d 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.
  5. e The base that pairs with Cytosine in DNA

5 Multiple choice questions

  1. The base that pairs Adenine in DNA
  2. (genetics) the process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm
  3. The base that pairs with Guanine with DNA
  4. (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
  5. The base that pairs with Thymine in DNA

5 True/False questions

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

          

  2. Extronsexpressed sequence of DNA; codes for a protein

          

  3. Intronsa non-coding, intervening sequence within a eukaryotic gene

          

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

          

  5. Replication(genetics) the process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm