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Quiz

Biochemistry

Mechaila Samporna 6 questions

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Questions in this quiz (6)

  1. 1The pH at which majority of amino acid exists in a form where it has an equal number of positive and negative charges and thus is electrically neutral is called the:
    1. ApK1
    2. BpK2
    3. CpK1+pK2
    4. DpIE.pH
  2. 2Glutathione is an important molecule for the clearance of free radicals in the body. It consists of only 3 amino acids. Which of the following polypeptides is the primary structure of glutathione?
    1. AGlutamyl – cysteinyl – glycine
    2. BGlutamine – cysteinyl – glycine
    3. CGlutamine – threonyl – methionine
    4. DGlutamine – cysteinyl – methionine
    5. ENone of the above
  3. 3Which of the following amino acid is incorrectly paired with its side chain?
    1. ATyrosine – Thiol group containing
    2. BTryptophan – indole group containing
    3. CProline – imino group containing
    4. DArginine – guandino group containing
    5. EHistidine – imidazole group containing
  4. 4A neonate, born at home, with no newborn care administered is rushed to the ER for heavy bleeding from the umbilical stump and recent onset generalized seizures. What vitamin deficiency is responsible for this?
    1. AVitamin A
    2. BVitamin D
    3. CVitamin E
    4. DVitamin K
    5. EVitamin C
  5. 5What is the rate limiting enzyme of ketogenesis?
    1. AHMG-CoA synthase
    2. BHMG-CoA reductase
    3. CHMG-CoA lyase
    4. DHMG-CoA transferase
    5. EAll of the above
  6. 6An infant presents with hepatosplenomegaly and failure to thrive. A liver biopsy was done which revealed accumulation of polysaccharide with few branch points because of a deficiency for an important enzyme in carbohydrate metabolism. What is the diagnosis for this patient?
    1. AVon Gierke Disease
    2. BAndersen's Disease
    3. CTarui's Disease
    4. DFabry's Disease
    5. EHer's Disease

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Description
Hard Biochemistry (Topnotch Medical Board Prep) Quiz on Biochemistry, created by Mechaila Samporna on 09/11/2022.
Language
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