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5 Written questions

5 Matching questions

  1. 2 sites of tRNA
  2. major genomic functions of eukaryotic cells
  3. final mRNA structure (4)
  4. replicons
  5. rRNA
  1. a Individual units of replication
    -avg size of 150 kbp
  2. b 1)DNA replication
    3)genes which code for proteins (RNA polymerase II)
  3. c 5' cap, coding regions (CDS), untranslated regions (UTRs), 3' poly (A) tail
  4. d central component of ribosome's protein manufacturing machinery
  5. e -anti-codons that bind to codon on mRNA
    -2nd site binds corresponding amino acid in high energy aminoacyl bond

5 Multiple choice questions

  1. TFIIA and TFIIB which lead to recruitment of TFIIF/pol II and other TFs
  2. -proved semiconservative DNA replication in eukaryotic cells
    -labeled metaphase chromosomes had only 1 sister chromatid labelled
  3. ribosome identifies start codon using this in prokaryotes
  4. core particles connected by this
    DNA wrapped +linker=200 bp
  5. segments of the lagging strand

5 True/False questions

  1. nucleolusIndividual units of replication
    -avg size of 150 kbp


  2. mitotic chromosomesRepresent DNA packing ration of 10,000:1


  3. polyribosomes/polysomesribosomes transcribing same piece of mRNA creating many copies of same protein
    -5' end codes for N-terminal amino acid
    -3' end codes for C-terminal amino acid


  4. SSB( ssDNA binding protein)A (binds aminoacyl tRNA ), P (binds peptidyl-tRNA), E (binds free tRNA before it exits ribosome)


  5. 3' polyadenylationadd 7-methylguanosine (m7G) to 5' end of RNA
    -immediately after initiation
    -attaches to 5' end ot tRNA