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5 Written questions

5 Matching questions

  1. DNA mutation
  2. Translation
  3. Guanine
  4. Introns
  5. genetic code
  1. a The base that pairs with Cytosine in DNA
  2. b the ordering of nucleotides in DNA molecules that carries the genetic information in living cells
  3. c a non-coding, intervening sequence within a eukaryotic gene
  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 (genetics) the process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm

5 Multiple choice questions

  1. Ribosomal RNA (rRNA) is the main component of the cell's protein synthesis factory the Ribosome. it is produced by RNA Polymerase I. Transfer RNA (tRNA) is responsible for converting the nucleotide sequence code into the amino acid sequence in proteins. it is produced by RNA Polymerase III. Messenger RNA (mRNA)- each one contains the sequence information needed to construct one type of protein molecule. the multiple mRNA molecules are produced by RNA Polymerase II (bring message from nucleus to cytoplasm)
  2. Region of DNA that indicates to an enzyme where to bind to make RNA
  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. 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

5 True/False questions

  1. Replication(genetics) the process whereby DNA makes a copy of itself before cell division


  2. AdenineThe base that pairs with Thymine in DNA


  3. Extronsexpressed sequence of DNA; codes for a protein


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


  5. thymineThe base that pairs Adenine in DNA