Defect/deficiency in which enzyme of the urea cycle causes hyperammonemia?

Name the major transport form of ammonia.

Give glutamate dehydrogenase reaction (GDH Reaction).

Define deamination. 

Choose the correct answer from the parentheses.
   a) (Creatinine/Urea) …………… is the main nitrogenous compound in
     urine.
   b) Transamination reaction in amino acid synthesis is catalysed by
      enzyme ……………. (Decarboxylase/Transaminase).
   c) Urea cycle is also referred to as ………….. (Krebs-Henseleit/Krebs)
     cycle.
    d) In deamination, amino acid is converted into ………….(keto acid/
      carboxylic acid).
    e) Process of breakdown of amino acids to α keto acids is called
      ………….. (cis-amination/transamination).
     f) The alpha amino groups of all the amino acids is finally channelised
       to ………….. (glutamate/alanine).

Explain, how is fatty acid synthesis regulated?

What is glycogenesis? Explain the steps involved in the process of glycogenesis. 

Discuss the consequences of free radical interaction with macromolecules. 

List the Antioxidant vitamins and their roles.

Draw Lineweaver-Burk plot.

Derive Michaelis-Menten equation.

Describe the role of enzymes in lowering the activation energy and in coupled reactions.

Do as directed.

 i) D-Mannose is a ketotriose (True/ False).

 ii) Ribulose is ketopentose or aldopentose (Pick one option)

 iii) Generally, molecule with ‘n’ chiral centers has how many stereoisomers?

 iv) D form of carbohydrates is more abundant than L form (True/ False). 

v) Enantiomers are pair of chiral molecules with non superimposable mirror images (True/ False)

Draw a labeled diagram of a cross section through the mammalian seminferous tubule. 

 Write the term used for the following

     a) Female reproductive stem cell.

     b) Mature follicle containing fluid filled spaces.

     c) A soluble polypeptide hormone synthesized by ovary during

pregnancy.

      d) C-21 steroid hormones having basic structure of pregnane nucleus.

      e) Luteotropic hormone of pituitary.

What is the role of calcium ion as a second messenger? 

How can hormones mediate changes in the cell’s function? 

 If cAMP formation is inhibited in the cell then what step in the hormone action will be affected? If cAMP formation is inhibited in the cell then what step in the hormone action will be affected?

 If a new compound is used that binds to membrane receptors by blocking them which hormone action will be blocked as a result?

Diagrammatically explain the biochemical pathways that produce ATP for vertebrate muscle contraction