logo

CuriousTab

CuriousTab

Discussion


Home Biochemistry UV Luminance Spectroscopy See What Others Are Saying!
  • Question
  • What is the relationship between wavelength and wave number?


  • Options
  • A. Wavenumber = 1 / wavelength in centimeters
  • B. Wavenumber - wavelength in nanometers = 1
  • C. Wavelength in nanometers x wavenumber = 1
  • D. None of the above

  • Correct Answer
  • Wavenumber = 1 / wavelength in centimeters 


  • More questions

    • 1. In the past, IR spectra had to be aquired one wavelength at a time, which took a long time. Today quick spectra is due to the

    • Options
    • A. the Fourier Transfer Algorithm allows us to scan all frequencies at once
    • B. light is faster today that it used to be
    • C. absence of broad spectrum of wavelenth
    • D. none of the above
    • Discuss
    • 2. An early sign of retinol deficiencies in man is

    • Options
    • A. night blindness
    • B. keratinization
    • C. xeropthalmia
    • D. none of these
    • Discuss
    • 3. Arachidonate has 20 carbon atoms with

    • Options
    • A. 3 double bonds
    • B. 2 double bonds
    • C. 4 double bonds
    • D. 8 double bonds
    • Discuss
    • 4. Lysine is degraded to acetoacetyl CoA and is described as a

    • Options
    • A. ketogenic amino acid
    • B. glucogenic amino acid
    • C. keto-gluco amino acid
    • D. none of these
    • Discuss
    • 5. The hormones, glucagon and epinephrine, stimulate glycogen breakdown to G-6-P

    • Options
    • A. only in the liver
    • B. using ATP as the phosphoryl donor
    • C. directly, by binding to glycogen phosphorylase
    • D. indirectly, by first stimulating adenylate cyclase to make cAMP
    • Discuss
    • 6. Vitamin B12 is useful in the prevention and treatment of

    • Options
    • A. pernicious anemia
    • B. scurvy
    • C. cataract
    • D. beri-beri
    • Discuss
    • 7. Which pyrimidine base contains an amino group at carbon 4?

    • Options
    • A. Cytosine
    • B. Thymine
    • C. Uracil
    • D. Adenine
    • Discuss
    • 8. Molar absorbtivity is the measure of the

    • Options
    • A. amount of light absorbed per unit length
    • B. amount of light absorbed per unit concentration
    • C. amount of light reflected and absorbed per unit concentration
    • D. None of the above
    • Discuss
    • 9. Which of the following is not a sensible grouping of amino acids based on their polarity properties?

    • Options
    • A. Ala, Leu, and Val
    • B. Arg, His, and Lys
    • C. Phe, Trp, and Tyr
    • D. Asp, Ile, and Pro
    • Discuss
    • 10. Agarose a porous matrix used in various molecular biology technique is made by repetitive units of

    • Options
    • A. maltose
    • B. agarobiose
    • C. agar
    • D. none of these
    • Discuss


    Comments

    There are no comments.

Enter a new Comment