23.4 - Bacterial Cells Vary in Cell-Wall Structure

Question 1

what does the rigid cell wall in prokaryotic cells maintain?

Answer 1

rigid cell wall maintain cell shape and protect

Question 2

peptidoglycan

Answer 2

polymer composed of carbohydrates cross-linked with peptides

Question 3

the two major cell wall forms are ____

Answer 3

• gram positive

- gram negative

Question 4

gram positive bacteria

Answer 4

have walls with a relatively thick peptidoglycan layer

Question 5

gram negative bacteria

Answer 5

have a thinner peptidoglycan layer and are enclosed by a thin outer envelope

Question 6

lipopolysaccharides

Answer 6

lipids with covalently bound carbohydrates

- prevalent in outer envelope of gram negative bacteria