1. What are the precursors of Tryptophan and tyrosin?
- Tryptophan= Thyroxin and catecolamines, Tyrosin= serotonin and nicotinamide
- Tryptophan= serotonin and nicotinamide, Tyrosin= thyroxin and catecolamines
- Tryptophan= serotonin and catecolamines, Tyrosin= thyroxin and nicotinamide
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Other questions in this quiz
2. Which of these are not reactions that occur to amino acids?
- Oxidative deamination
3. Which of these is not the function of cysteine residue?
- CO-NH2 can react with sugars, olgiosaccharides and polysaccharides
- Forms sulphide bonds in the amino acid structures
- thiol side chain can form bonds with metal ions therefore prosthetic groups in the protien
4. Whichc of these statements are incorrect about glutathione?
- Protects heamoglobin from oxidation to methemoglobin
- Detoxification of xenobiotics in Pancrease
- important reducing and antibodies in cell
- SH group of cysteine residue easily oxidised
- Protects cellular contents from oxidising agents eg peroxidase and superoxidase
5. Aspartame does not....
- 2% conc found in skeletal mucles, they act as buffers
- form a sweet taste, 200x stronger than sucrose
- Hydrolysis of methyl esters yeilds (toxic methanol)