Which of These Is Included in the The Gram-Positive Cell

Multiple Choice

Which of these is included in the the Gram-positive cell envelope?

A) peptidoglycan, LPS, and lipoteichoic acids.
B) peptidoglycan, teichoic acids, and lipoteichoic acids.
C) peptidoglycan, LPS, and teichoic acids.
D) peptidoglycan, LPS, and a periplasmic space.
E) teichoic acids, lipoteichoic acids, and a large periplasmic space.