Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?

Related Mcqs:

1. The class of amino acids that contains only non essential amino acids is_______________?

   A. Acidic
   B. Basic
   C. Aromatic
   D. Branched chain

2. Which one of the following amino acids is purely ketogenic ?

   A. Proline
   B. Phenylalanine
   C. Isoleucine
   D. Leucine

3. Which of the following amino acids is quickly converted to tyrosine ?

   A. Arginine
   B. Glycine
   C. Phenylalanine
   D. Leucine

4. Decarboxylation of which of the following amino acids results in formation of a vasodilator ?

   A. Valine
   B. Arginine
   C. Histidine
   D. Glutamic acid

5. In maple syrup urine disease the amino acids excreted in the urine are______________?

   A. Leucine
   B. Isoleucine
   C. Valine
   D. All of the above

6. Amino acids excreted in the urine in cystinosis______________?

   A. Cystine
   B. Ornithine
   C. Arginine
   D. Lysine
   E. All of the above

7. Non essential amino acids are not_____________?

   A. Used by the body
   B. Forming part of the proteins
   C. Required in the diet
   D. Absorbed in the intestines

8. The protein rich in basic amino acids, which functions in the packaging of DNA is chromosomes is______________?

   A. Histone
   B. Collagen
   C. Hyaluronic acid binding protein
   D. Fibrinogen

9. White, spongy, folded thick mucosa is seen in____________?

   A. Oral hairy leukoplakia
   B. Aspirin burn
   C. White spongy nevus
   D. Pseudomembranous Candidiasis

10. Cellular cementum and compact bone contain____________?

    A. Sharpehy’s fibres and elastic fibres
    B. Collagen fibres and blood vessels
    C. Canaliculi and incremental lines
    D. Lacunae and elastic fibres