Gram type your answer... bacteria have a thick layer of peptidoglycan and a single membrane layer. Gram type your answer... membrane layers with a thin layer of peptidoglycan between them. bacteria have 2 cell
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- Can you answer all the parts to this question please A. What is the difference in peptidoglycans in gram negative vs gram positive cells/ B. Why does Gram stain not bind to gram negative bacteria?Fill in the blank: The cell wall of bacteria is made-up of the polysaccharide ______________________. Gram negative bacteria have ____________________ cell wall than Gram positive bacteria.Which of the following statement about the bacterial cell wall is INCORRECT? a. The cell wall is relatively nonpermeable and restricts the passage of sugars and amino acids. b. Gram-positive cells have more peptidoglycan in theircell walls than Gram-negative cells. c. Gram-negative cells have a membrane both inside andoutside their cell walls. d. The cell wall establishes a bacterium’s shape as a coccus,bacillus, or spirillum.
- Figure 22.8 Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to antibiotics and detergents. Why do you think this might be the case?Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell wall formed from peptidoglycan. b. Gram-positive bacteria have an outer membrane. c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin. d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.Gram-negative bacteria are not killed by penicillin because they: do not have ribosomes. have an outer membrane layer covering their peptidoglycan cell wall. have two layers of peptidoglycan. do not have peptidoglycan. their ribosomes are protected with their own outer membrane layer.
- Diagram (your work not a figure cut and pasted) the cell walls of both a gram-positive and a gram- negative bacteria. Explain which is more pathogenic and why.Why do low concentrations of alcohol inhibit Gram-negative bacteria more than Gram-positive bacteria? Explain how the alcohol interacts with: 1) Gram-negative cell wall structures 2) Gram-positive cell wall structuresDescribe the cross - section side view of a Gram - negative cell . Clearly state where the following would be located or write the letters in order of appearance from the outside to the inside . If any of these structures are not present , make sure to leave them out . A ) peptidoglycan ; ( B ) periplasm ; ( C ) porin ; ( D ) LPS ; ( E ) teichoic acids ; ( F ) plasma membrane : ( G ) outer membrane : ( H ) nucleoid
- Microbiologists use the Gram stain to differentiate among two groups of bacteria. How do Gram-positive and Gram-negative bacteria differ? Question 1 options: the presence or absence of peptidoglycan in the cell wall the presence or absence of muramic acid in the cell wall the presence or absence of outer plasma membrane the lipid composition of plasma membrane none of the above.You conduct a gram stain on a bacterial culture. After counterstaining with safranin, cells are purple. What statements are true about the bacterial cells? (Choose all that are true.) Group of answer choices The cell wall of these cells helps to maintain cell shape and protect the cell from osmotic lysis. The cells have teichoic acids that have many important functions in gram positive bacteria Cells have a periplasmic space and a thin layer of peptidoglycan. The cells produce endotoxin (LPS) and may cause septic shock in an infected individual.Which of the following is present in both gram-positive and gram-negative cell walls?a. an outer membrane b. peptidoglycanc. teichoic acidd. lipopolysaccharides