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A) hydrophobic interaction B) hydrophilic interaction C) salt bridge E) Disulfid

ID: 505208 • Letter: A

Question

A) hydrophobic interaction B) hydrophilic interaction C) salt bridge E) Disulfide bond 1. Cysteine and Cysteine 2. Leucine and Phenylalanine 3, Aspartic Acid and Lysine 4. Threonine and Serine 5. Valine and Alanine Matching (1 point each) A) epinephrine B) Histamine C) neurotransmitter Do Dopamine 1) responsible for the signs and symptoms encountered in an allergic reaction 2) responsible for the signs and symptoms of Parkinson's disease 3) a hormone produced in the adrenal glands 4) transmits a nerve impulse write the preferred IUPAC name for each of the following (2 points each): NH2

Explanation / Answer

1. Disulfide bonds are present between cysteine residues. It destabilises the unfolded form of protein.

2.hydrophobic interactions are present in phenylalanine and leucine

3. Salt bridge present in aspartic acid and lysine as a result of hydrogen bonding and ionic interactions.

4. Hydrogen bonds in between threonine and serine.

5. Hydrophobic interactions in valine and alanine as they are mostly buried in core of the structure.

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