Which of the following amino acid would most likely be involved in hydrogen bond
ID: 203819 • Letter: W
Question
Which of the following amino acid would most likely be involved in hydrogen bonding? A. Phenylalanine B. Isoleucine C. Tryptophan D. ThreonineWhich of the following amino acid would form ionic bonding with negatively charged DNA? A. Serine B. Alanine C. Lysine D. Glutamic Acid Which of the following amino acid would most likely be involved in hydrogen bonding? A. Phenylalanine B. Isoleucine C. Tryptophan D. Threonine
Which of the following amino acid would form ionic bonding with negatively charged DNA? A. Serine B. Alanine C. Lysine D. Glutamic Acid A. Phenylalanine B. Isoleucine C. Tryptophan D. Threonine
Which of the following amino acid would form ionic bonding with negatively charged DNA? A. Serine B. Alanine C. Lysine D. Glutamic Acid
Explanation / Answer
1. Out of the enlisted amino acids threonine is most likely to form hydrogen bond. Threonine has hydroxyl group in its side chain which acts as a donor for hydrogen bond formation. So the correct option is D.
2. Out of the enlisted amino acids lysine is capable of forming ionic bond with DNA. This is because of the reason that it is a basic amino acid and carries an additional amino group on its side chain. This positively charged group can form ionic bonding with the negatively charged phosphate groups of DNA.
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