Amino Acids

HideShow resource information

1. Which fact about insulin is not correct?

  • The 3rd sulphide bond is within one amino acid chain
  • Insulin formed by 2 polypeptide chains which are connected by 2 sulphur bond
  • The (one chain) precursor is proinsulin by proteolytic cleavage
  • Secreated by islets of Loughborough
  • Insulin is realeased when blood glucose sugar level is too high
  • Stimulates the muscles, liver, adipose cells to store glucose
1 of 8

Other questions in this quiz

2. which of theses acts as carnosine and aresine?

  • 2% conc found in skeletal mucles, they act as buffers
  • Produced Hydrolysis of methyl esters yeilds (toxic methanol)

3. Which of these are not reactions that occur to amino acids?

  • dehydrogenation
  • Condensation
  • Hydration
  • Transamination
  • Oxidative deamination
  • Decarboxylation

4. Aspartame does not....

  • Hydrolysis of methyl esters yeilds (toxic methanol)
  • 2% conc found in skeletal mucles, they act as buffers
  • form a sweet taste, 200x stronger than sucrose

5. 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

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all amino acids resources »