Bio 103 ( Nc Team )

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Bio 103 ( Nc Team ) - Quiz


Questions and Answers
  • 1. 
    Which of the following helps the DNA strands apart while they are being replicated?
    • A. 

      Primase 

    • B. 

      Ligase 

    • C. 

      DNA POLYMERASE 

    • D. 

      Option 4

  • 2. 
    The DNA polymerase can synthesize a continuous strand called? 
    • A. 

      Lagging strand

    • B. 

      Okazaki fragment 

    • C. 

      Templet 

    • D. 

      Leading 

  • 3. 
    How many origins of replication in prokaryotic?
    • A. 

      2

    • B. 

      1

    • C. 

      100 - 1000 

    • D. 

      Option 4

  • 4. 
    The longest part in the digestive tract is? 
    • A. 

      Stomach 

    • B. 

      Colon 

    • C. 

      Small intesine 

    • D. 

      Option 4

  • 5. 
    What is the structure determined by the stock and its function?
    • A. 

      Tongue , carbohydrate digestion 

    • B. 

      Salivary gland , carbohydrate digestion 

    • C. 

      Salivary gland , lipid digestion  

    • D. 

      Option 4

  • 6. 
    The fat starts digest in? 
    • A. 

      Mouth 

    • B. 

      Esophagus 

    • C. 

      Tongue 

    • D. 

      Small intestine 

  • 7. 
    Which of the following is true about bile: 
    • A. 

      Contains trypsin

    • B. 

      Involved in digestion of protein 

    • C. 

      None of the above 

    • D. 

      Secreted by the pancreas 

  • 8. 
    Fat break down is done by 
    • A. 

      Lipase 

    • B. 

      Bile 

    • C. 

      Amylase 

    • D. 

      A+B 

  • 9. 
    The digestion of carbohydrate start in --------------- and digestion of protein start in -----------? 
    • A. 

      Stomach , oral cavity 

    • B. 

      Stomach , small intestine 

    • C. 

      Oral cavity , stomach 

    • D. 

      Option 4

  • 10. 
    Most digestion occurs in the 
    • A. 

      Jejunum 

    • B. 

      Duodenum 

    • C. 

      Ileum 

    • D. 

      Large intestine 

  • 11. 
    The human cecum has an extension called? 
    • A. 

      Anus 

    • B. 

      Rectum 

    • C. 

      Appendix 

    • D. 

      Option 4

  • 12. 
    What is the function of C? 
    • A. 

      Immunity 

    • B. 

      Absorbtion 

    • C. 

      Digestion 

    • D. 

      Option 4

  • 13. 
    Sphincter N and C between ? 
    • A. 

      Small intestine and stomach , esophagus and stomach 

    • B. 

       esophagus and stomach ,small intestine and stomach

    • C. 

       esophagus and stomach ,large intestine and stomach

    • D. 

      Option 4

  • 14. 
    Which of the following is mismatched
    • A. 

      Accessory gland / liver 

    • B. 

      Opening of the trachea / stomach 

    • C. 

      Lubrication / saliva 

    • D. 

      Option 4

  • 15. 
    Which of the following statement is correct ?
    • A. 

      Pepsin convert pepsinogen to hcl 

    • B. 

      HCL convert pepsin to pepsinogen 

    • C. 

      HCL  convert pepsinogen  to pepsin 

    • D. 

      Option 4

  • 16. 
    Which of the following the main cause of the gastric ulcer ? 
    • A. 

      H-pylori 

    • B. 

      Gastric cancer 

    • C. 

      Peristalsis 

    • D. 

      Option 4

  • 17. 
    Water re-absorption occur in ?
    • A. 

      Large intestine 

    • B. 

      Stomach 

    • C. 

      Mouth 

    • D. 

      Option 4

  • 18. 
    Which enzyme catalyzes the elongation of a DNA strand in the 5' ----- 3' direction?
    • A. 

       primase

    • B. 

      DNA ligase

    • C. 

      DNA poiyinerase 111

    • D. 

       topoisornerase

  • 19. 
    One of the fallowing scientist predicts the Semiconservative model
    • A. 

      Meselson and Stahl   

    • B. 

      Watson and Crick

    • C. 

      Hershey 4nd Chase

    • D. 

      Option 4

  • 20. 
     One of the following scientist supported the Semiconservathre model ?
    • A. 

      Meselson and Stahl 

    • B. 

      Watson and Crick 

    • C. 

      Frederick Griffith 

    • D. 

      Option 4

  • 21. 
    Meselson and Stahl grew bacteria in a medium containing "heavy" nitrogen (15N) and then transferred them to a medium containing 14N. Which of the results in the Right figure would be expected after one round of DNA replication in the presence of 14N?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 22. 
    Meselson and Stahl grew bacteria in alliedi 11Intaining "heavy" nitrogen (15N) and then transferred them to a medium containing lailf. Whi of the results in the figure above would be   expected after two round of DNA icatioU the presence of 14N?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 23. 
    What      DOES  'DNA' Stand for 
    • A. 

      Deoxyribonucleic acid

    • B. 

      Diverse nucleotide agent

    • C. 

      Diversed nucleotide acid

    • D. 

      Deyribonucleic acid

  • 24. 
     In the Right Figure , Which of the following is the best width ?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      ALL OF THESE

  • 25. 
    In the Right Figure , Which of the following is correct
    • A. 

      A is too narrow

    • B. 

      B is too wide

    • C. 

      C give the uniform width

    • D. 

      All of the above are correct

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