The structure shown below is found in the ________ of some bacteria and the larger molecules are connected by the ________ cross-link shown at the arrow.
A) cell wall; sugar
B) cell membrane; peptide
C) cell membrane; sugar
D) cell wall; peptide
E) nucleoid membrane; peptide

Question

The structure shown below is found in the ________ of some bacteria and the larger molecules are connected by the ________ cross-link shown at the arrow. 
A) cell wall; sugar 
B) cell membrane; peptide 
C) cell membrane; sugar 
D) cell wall; peptide 
E) nucleoid membrane; peptide

Quizplus · Accepted Answer

The structure shown in the image is the peptidoglycan layer, which is a part of the cell wall of some bacteria. The larger molecules in the peptidoglycan layer are connected by peptide cross-links. Therefore, option D - cell wall; peptide - is the correct choice.

The Structure Shown Below Is Found in the ________ of Some