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Home ‣ Biochemistry ‣ Structure and Properties of Peptides See What Others Are Saying!
  • Question

  • The molecular formula for glycine is C2H5O2N. What would be the molecular formula for a linear oligomer made by linking ten glycine molecules together by condensation synthesis?


  • Options
  • A. C20H50O20N10
  • B. C20H32O11N10
  • C. C20H40O10N10
  • D. C20H68O29N10

  • Correct Answer
  • C20H32O11N10 

    • More questions

    • 1. Fructose is metabolized by

    • Options
    • A. fructose 1-phosphate pathway
    • B. fructose 6-phosphate pathway
    • C. glyceraldehyde 3-phosphate pathway
    • D. both (a) and (b)
      • Discuss
    • 2. The active form of glycogen phosphorylase is phosphorylated, while the dephosphorylation of which active form occurs?

    • Options
    • A. Glycogen synthase
    • B. Glycogen semisynthase
    • C. Glycogen hydrolase
    • D. Glycogen dehydrogenase
      • Discuss
    • 3. Synthesis of fatty acid takes place when

    • Options
    • A. fatty acid are plentiful
    • B. carbohydrate is plentiful
    • C. carbohydrate and energy are plentiful
    • D. none of these
      • Discuss
    • 4. Over 50% of common cancers are associated with damage to a protein, p53. This protein

    • Options
    • A. is a cyclin
    • B. is a tumor supressor
    • C. is an oncogene
    • D. regulates apoptosis
      • Discuss
    • 5. Gluconeogenesis requires a higher amount of ATP equivalents as compared to that produced by glycolysis because

    • Options
    • A. gluconeogenesis releases energy as heat
    • B. glycolysis releases energy as heat
    • C. glycolysis occurs in the mitochondria while gluconeogenesis occurs in the cytosol
    • D. all of the above
      • Discuss
    • 6. Difficulties with somatic gene therapy arise from all of the following except

    • Options
    • A. GVHD caused by mature T cells in the transplanted cells
    • B. inserting a gene so that it will function properly
    • C. limited life span of more mature hematopoietic cells
    • D. transducing genetic material into stem cells
      • Discuss
    • 7. Which pair of amino acids absorbs the most UV light at 280 nm?

    • Options
    • A. Threonine & Histidine
    • B. Trp & Tyrosine
    • C. Cystein & Asparagine
    • D. Phenylalnine & Proline
      • Discuss
    • 8. The peptide bond in proteins is

    • Options
    • A. only found between proline residues
    • B. usually cis unless proline is the next amino acid
    • C. usually trans unless proline is the next amino acid
    • D. is planar because of steric hinderance
      • Discuss
    • 9. In cells having organelles, the steps of the Krebs cycle and the electron transport system occur in the

    • Options
    • A. cell membrane
    • B. mitochondria
    • C. endoplasmic reticulum
    • D. none of these
      • Discuss
    • 10. ?-Lymphocytes are often called simply

    • Options
    • A. B cells
    • B. T cells
    • C. T Lymphocytes
    • D. none of these
      • Discuss

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