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5 Written questions

5 Matching questions

  1. Steps of Protein Synthesis
  2. Promoters
  3. Adenine
  4. Guanine
  5. Extrons
  1. a DNA strand unwinds and separates, one strand directs synthesis of mRNA, RNA polymerase binds to promoter sequence, nucleotides are added
  2. b expressed sequence of DNA; codes for a protein
  3. c The base that pairs with Cytosine in DNA
  4. d Region of DNA that indicates to an enzyme where to bind to make RNA
  5. e The base that pairs with Thymine in DNA

5 Multiple choice questions

  1. a non-coding, intervening sequence within a eukaryotic gene
  2. (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. the ordering of nucleotides in DNA molecules that carries the genetic information in living cells
  4. 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. the formation of proteins by using information contained in DNA and carried by mRNA

5 True/False questions

  1. Types of RNA(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


  2. RNA(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"


  3. thymineThe base that pairs with Cytosine in DNA


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


  5. Steps of Transcriptioninitiation, 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


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