In neutral aqueous solution

CHEMISTRY · Single correct · A Level · Chemistry · Biomolecules · Biomolecules

Problem

In neutral aqueous solution, a serine molecule contains a

-\text{NH}_3^+

group, a

-\text{COO}^-

group, and a side-chain

-\text{CH}_2\text{OH}

group. Which of the following correctly states the total numbers of hydrogen bond donors and acceptors present in one serine molecule? (a)

3

donors and

3

acceptors (b)

3

donors and

2

acceptors (c)

2

donors and

3

acceptors (d)

1

donor and

3

acceptors