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- Question
A common way that cells capture the energy released during the breakdown of large molecules is to add electrons to smaller, specialized molecules that can accept them. This process of electron acceptance is otherwise known as
Options- A. biosynthesis
- B. metabolism
- C. reduction
- D. catalysis
- Correct Answer
- reduction
- 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
More questions
Correct Answer: the Fourier Transfer Algorithm allows us to scan all frequencies at once
Correct Answer: night blindness
Correct Answer: 4 double bonds
Correct Answer: ketogenic amino acid
Correct Answer: indirectly, by first stimulating adenylate cyclase to make cAMP
Correct Answer: pernicious anemia
Correct Answer: Cytosine
Correct Answer: amount of light absorbed per unit concentration
Correct Answer: Asp, Ile, and Pro
Correct Answer: maltose
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