Use the figures to answer the question.
A. $ -\mathrm{OH} $
C. $ -\mathrm{NH}_{2} $
B.
D. $ -\mathrm{SH} $
Which of the functional groups shown helps stabilize proteins by forming covalent cross-links within or between protein molecules?
A) A
B) B
C) C
D) D

Question

Use the figures to answer the question.
A. $ -\mathrm{OH} $
C. $ -\mathrm{NH}_{2} $
B. 
D. $ -\mathrm{SH} $
Which of the functional groups shown helps stabilize proteins by forming covalent cross-links within or between protein molecules?
A) A 
B) B 
C) C 
D) D

Quizplus · Accepted Answer

The functional group shown in D is a thiol (-SH) group which can form disulfide bonds (-S-S-) with other thiol groups within or between protein molecules. These disulfide bonds help to stabilize the structure of proteins.

Use the Figures to Answer the Question −OH -\mathrm{OH} −OH C −NH2 -\mathrm{NH}_{2} −NH2​

Use the Figures to Answer the Question $-\mathrm{OH}$ C $-\mathrm{NH}_{2}$