Figure 4.3

-In Figure 4.3,which diagram of a cell wall is a gram-negative cell wall?
A)a
B)b
C)both a and b
D)neither a nor b
E)The answer cannot be determined based on the information provided.

Question

Figure 4.3
 
-In Figure 4.3,which diagram of a cell wall is a gram-negative cell wall?
A)a 
B)b 
C)both a and b 
D)neither a nor b 
E)The answer cannot be determined based on the information provided.

Quizplus · Accepted Answer

Diagram b shows a thin layer of peptidoglycan sandwiched between an outer membrane and the plasma membrane, which is characteristic of a gram-negative cell wall. Diagram a shows a thicker layer of peptidoglycan, without an outer membrane, which is characteristic of a gram-positive cell wall. Therefore, the answer is B.

Figure 4.3 -In Figure 4.3,which Diagram of a Cell Wall Is a Cell