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Home Biochemistry Gas Chromatography See What Others Are Saying!
  • Question
  • Sample retention in the column is measured by


  • Options
  • A. retention time
  • B. retention factor
  • C. retention index
  • D. all of these

  • Correct Answer
  • all of these 


  • More questions

    • 1. ?-Lymphocytes are often called simply

    • Options
    • A. B cells
    • B. T cells
    • C. T Lymphocytes
    • D. none of these
    • Discuss
    • 2. Which of these hormones is a catecholamine?

    • Options
    • A. Follitropin
    • B. Norepinephrine
    • C. Tetraiodothyronine
    • D. Tetrahydrofolate
    • Discuss
    • 3. Which of these is a type of specific defense against pathogens?

    • Options
    • A. Lymphocytes
    • B. Macrophages
    • C. Phagocytes
    • D. Leukocytes
    • Discuss
    • 4. The HIV virus infects primarily

    • Options
    • A. brain cells
    • B. cells in the immune system
    • C. red blood cells
    • D. liver cells
    • Discuss
    • 5. Which of the following is the reduced form of a temporary electron carrier molecule?

    • Options
    • A. FADH2
    • B. ATP
    • C. NADP+
    • D. CO2
    • Discuss
    • 6. Signal peptide protein removal that is translocated across a membrane is accomplished by

    • Options
    • A. fMet aminopeptidase
    • B. trypsin
    • C. signal peptidase
    • D. chymotrypsin
    • Discuss
    • 7. Antigen, when injected in the body activates its specific lymphocytes in the

    • Options
    • A. blood circulation
    • B. draining lymph nodes
    • C. MALT (mucosa associated
    • D. spleen lymphoid tissue
    • Discuss
    • 8. The absence of ascorbic acid in the human diet gives rise to

    • Options
    • A. rickets
    • B. pernicious anemia
    • C. cataract
    • D. beri-beri
    • Discuss
    • 9. In the Glycolysis reaction, for each glucose conversion how many ATP's are produced?

    • Options
    • A. 4
    • B. 2
    • C. 1
    • D. 3
    • Discuss
    • 10. In gel electrophoresis, what fragments will move most quickly through a gel?

    • Options
    • A. Large fragments
    • B. Small fragments
    • C. Large genome
    • D. None of these
    • Discuss


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