FOS 2, semester 2 final

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Anonymous
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157989
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FOS 2, semester 2 final
Updated:
2012-06-09 22:14:36
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biolgy
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Biology
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  1. how many standard amino acids are there?

    A.5
    B.15
    C.20
    D.10
    C.20
    (this multiple choice question has been scrambled)
  2. the formation of alpha helix and beta pleated sheets represent what type of protein structure?

    A.primary
    B.secondary
    C.tertiary
    D.quaternary
    B. secondary
    (this multiple choice question has been scrambled)
  3. what gives an amino acid its identity?
    A. amine group
    B. carboxyl group
    C. nucleotide
    D. R group
    D. R group
    (this multiple choice question has been scrambled)
  4. interactions between R grous are the cause of _________ structure

    A.primary
    B.secondary
    C. terrtiary
    D. quaternary
    C. tertiary
    (this multiple choice question has been scrambled)
  5. the order of amino acids joined together in a protein chain is called the proteins ________ structure
    A. tertiary
    B.primary
    C. secondary
    D. quaternary
    B. primary
    (this multiple choice question has been scrambled)
  6. what is the name of the enzyme found in the transcription complex that is responsible for reading the DNA template and synthesizing the mRna strand?

    A.SSB's
    B. Dna polymerase
    C. helicase
    D.RNA polymerase
    D. RNA polymerase
    (this multiple choice question has been scrambled)
  7. in the lac operon the repressor binds to what part of the DNA, blocking the polymerase from transcriving the 3 lactose genes?
    A. enzyme
    B. operator
    C. promoter
    D. DNA
    C.promoter
    (this multiple choice question has been scrambled)
  8. a tail is added to an mRNA during processing to help it do what?

    A. exit the cell
    B. change to DNA
    C. bind to ribosome
    D. leave the nucleus
    D. leave the nucleus
    (this multiple choice question has been scrambled)
  9. the TATA box is located where in the eukaryotes?

    A. promoter
    B. enhancer
    C. operator
    D. repressor
    A. promoter
    (this multiple choice question has been scrambled)
  10. when 2 or more tertiary proteins work together in a protein complex that is defined as what type of structure?

    A. primary
    B. tertiary
    C. secondary
    D. quaternary
    D. quaternary
    (this multiple choice question has been scrambled)
  11. proteins comose 50% of the dry weight of all living matter

    a.true
    b.fase
    a. true
  12. all proteins have primary, secondary, tertiary, and quaternary structure

    a.true
    b.false
    b. false
  13. hydrogen bonding along the backbond of an amino acid chain is responsible for the tertiary of globular shape of most proteins

    a.true
    b. false
    b. false
  14. amino acids are joined by ionic bonds

    a. true
    b. false
    b. false
  15. translation occurs in the nucleus of eukaryotic cells

    a.true
    b. false
    b. false
  16. eukaryotic gene regulation is more complex than prokaryotic reguation

    a. true
    b. false
    a. true
  17. the cap added to the mRNA during processing helps the mRNA bind to the ribosome

    a. true
    b. false
    a. true
  18. transcription factors are responsible for bringing the enjancer and promoter together to initiate transcription

    a. true
    b. false
    a. true
  19. codons are found on tRNAs

    a. true
    b. false
    b. false
  20. introns never leave the nucleus of Eukaryotes

    a. true
    b. false
    a. true
  21. _____ are double ringed bases
    purines
  22. the shape of a molecule of DNA is called a ___
    double helix
  23. the end result of DNA replication are 2 strands of identical____
    DNA
  24. thymine always bonds with ____
    Adenine
  25. single ring tirogen bases are called____
    pyrimidines
  26. the enzyme _____ joins the okazaki fragments at the end of DNA replication
    DNA ligase
  27. the basic building block of a DNA molecule is a _______
    nucleotide
  28. sugar, nitrogen containing bases, and _____ make up a nucleic acid
    phosphate
  29. the sugar found in DNA is called_____
    Deoxyribose
  30. the enzyme ____ adds DNA bases to form a new strand of DNA
    DNA polymerase
  31. the two strands of DNA run in different direction(5' -3', and 3' -5') and are said to be______
    anti-parallel
  32. the ________ is the side of the DNA ladder that is being copied in a continuous manner.
    leading strand
  33. the ______is the side of DNA ladder that is copied discontinuously
    lagging strand
  34. the protein that helps the DNA polymerase stay attached to the template strand is called the_____.
    A. single stranded bindinging protein
    B. sliding clamp
    C. helicase
    D. RNase H
    B. sliding clamp
    (this multiple choice question has been scrambled)
  35. the proteins that are responsible for keeping the DNA from reforming into the double helix are called____

    A.sliding clamp
    B. helicase
    C. RNase H
    D. single stranded binding protein
    D. single stranded binding protein
    (this multiple choice question has been scrambled)
  36. the enzyme that removes the RNA primer during DNA replication is called____.

    A. helicase
    B. RNase H
    C. sliding clamp
    D. single stranded binding protein
    B. RNase H
    (this multiple choice question has been scrambled)
  37. the protein responsible for unwinding the double helix structure of DNA is called____
    A. single stranded binding protein
    B. RNase H
    C. helicase
    D. slinding clamp
    C. helicase
    (this multiple choice question has been scrambled)
  38. RNA primase lays down the RNA primer during DNA replication, why?
    A. neither a or b
    B. stand out from the DNA, act as a flag to mark starting point for DNA replication
    C. both a and b
    D. provide DNA polymerase with a place to bind
    C. both a and b
    (this multiple choice question has been scrambled)
  39. hershy and chase used radioactive culfur to label the _____ and the radioactive phosphorous to label ____of the virus
    A. bacteria, virus
    B. DNA, protein
    C. virus, bacteria
    D. protein, DNA
    B. DNA, protein?
    (this multiple choice question has been scrambled)
  40. which of these did not kill the mice when injected into them during griffiths experiment?

    A. live R bacteria'd. heat killed R bacteria and live S bacteria
    B. heat killed S bacteria and live R bacteria
    C. live S bacteria
    A. live R bacteria?
    (this multiple choice question has been scrambled)
  41. in avery's experiment the celled that had their _____ destroyed by enzymes could still reproduce

    a.DNA
    b proteins
    c. lipids
    d. carbohydrates
    b. proteins
  42. semiconservative replication uses each "parent" strand as a template to synthesize a new "daughter" strand

    a.true
    b.false
    a. true
  43. Griffith proved that DNA was the genectic material

    a. true
    b. false
    b. false
  44. the sliding clamp increases DNA polymerases ability to join nucleotides

    a. true
    b. flase
    a. true
  45. chargaff's rule states that A pairs with G and C pairs with T

    a. true
    b. false
    b. false
  46. DNA is the genetic material

    a. true
    b. false
    a. true
  47. DNA polymerase synthesizes DNA is a 3' to 5' direction

    a. true
    b. false
    b. false
  48. there are no chemical bonds joining the two trands of DNA in a double helix

    a.true
    b. false
    a. true
  49. the krebs cycle takes place in the cytoplasm of all cells

    a. true
    b. false
    b. false
  50. proteins are broken down in the stomach

    a. true
    b. false
    a. true
  51. CO2 is produced in the Krebs cycle

    a. true
    b. false
    a. true
  52. Lactic acid fermentation produced CO2

    a. true
    b. false
    a. false
  53. cells only use ATP energy for their chemical reactions

    a. true
    b. false
    a. true
  54. the gall bladder makes bile

    a. true
    b. false
    b. false
  55. 4 net ATP are made from glycolysis

    a. true
    b. false
    b. false
  56. the reaction of cellular respiration produces water(H2O)

    a. true
    b. false
    b. false
  57. Glycolysis is an aerobic process

    a. true
    b. false
    b. true
  58. only heterotrophs do cellular respiration

    a.true
    b. false
    b. false
  59. the first step of Glycolysis requires the input of what molecules

    A. O2
    B.NADH
    C. ATP
    D.NADH
    C. ATP
    (this multiple choice question has been scrambled)
  60. what is the goal of fermentation
    A. recycle NAD+
    B. recycle ATP
    C. recycle NADH
    D. recycle ADP
    A. recycle NAD+
    (this multiple choice question has been scrambled)
  61. where in the cell is the electron transport chain located
    A. outer mitochondrial membrane
    B. the nucleus
    C. inner mitochondrial membrane
    D. the cytoplasm
    C. inner mitochondrial membrane
    (this multiple choice question has been scrambled)
  62. how many ATP are produced in one turn of the Krebs cycle?
    A.3
    B.4
    C. 1
    D.2
    C. 1
    (this multiple choice question has been scrambled)
  63. the enzyme that breaks down lipids is called?
    A. pepsin
    B. lipase
    C. ATP synthase
    D. amylase
    B. lipase
    (this multiple choice question has been scrambled)
  64. what is the major function of the large intestine

    A. nutrient absorption
    B. carbohydrate digestion
    C. water removal
    D. lipid digestion
    C. water removal
    (this multiple choice question has been scrambled)
  65. where are lipases produced?

    A. appendix
    B. pancreas
    C. gallbladder
    D. liver
    B. pancreas
    (this multiple choice question has been scrambled)
  66. where is the enzyme that breaks down carbohydrates found?

    A. the small intestine
    B. the rectum
    C. the stomach
    D. the saliva
    D. the saliva
    (this multiple choice question has been scrambled)
  67. what is the name of the enzyme that creates ATP in the electron transport

    A. ATP synthase
    B. amylase
    C. ATP reductase
    D. RNase H
    A. ATP synthase
    (this multiple choice question has been scrambled)

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