Question 21 of 25 What are Gram-negative bacteria? Select the correct response(s): They have a cell wall made-up of a thick layer of peptidoglycan and with carbohydrate-lipid complex. ✓ They have a cell wall made-up of a thin layer of peptidoglycan and with protein-carbohydrate complex. They have a cell wall made-up of a thick layer of peptidoglycan and with protein-carbohydrate complex. They retain crystal violet dye and thus are stained purple. They cannot retain safranin and are stained purple by crystal violet. They have a cell wall made-up of a thin layer of peptidoglycan and with carbohydrate-lipid complex. ✓ They cannot retain crystal violet dye and are stained pink by safranin.

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Question 21 of 25
What are Gram-negative bacteria?
Select the correct response(s):
They have a cell wall made-up of a thick layer of peptidoglycan and with carbohydrate-lipid complex.
✓ They have a cell wall made-up of a thin layer of peptidoglycan and with protein-carbohydrate complex.
They have a cell wall made-up of a thick layer of peptidoglycan and with protein-carbohydrate complex.
They retain crystal violet dye and thus are stained purple.
They cannot retain safranin and are stained purple by crystal violet.
They have a cell wall made-up of a thin layer of peptidoglycan and with carbohydrate-lipid complex.
They cannot retain crystal violet dye and are stained pink by safranin.
21
Transcribed Image Text:Question 21 of 25 What are Gram-negative bacteria? Select the correct response(s): They have a cell wall made-up of a thick layer of peptidoglycan and with carbohydrate-lipid complex. ✓ They have a cell wall made-up of a thin layer of peptidoglycan and with protein-carbohydrate complex. They have a cell wall made-up of a thick layer of peptidoglycan and with protein-carbohydrate complex. They retain crystal violet dye and thus are stained purple. They cannot retain safranin and are stained purple by crystal violet. They have a cell wall made-up of a thin layer of peptidoglycan and with carbohydrate-lipid complex. They cannot retain crystal violet dye and are stained pink by safranin. 21
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