Which of the following has peptidoglycan as a major constituent of cell wall? A. Gram-negative bacteria...
Which of the following has peptidoglycan as a major constituent of cell wall?
| A. | Gram-negative bacteria |
| B. | Gram-positive bacteria |
| C. | Fungi |
| D. | None of these |
Homework Answers
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Which of the following has peptidoglycan as a major constituent
of cell wall?
A.
Gram-negative bacteria...
Gram-positive and gram-negative bacteria differ in that A. Gram-positive bacteria have more peptidoglycan in their cell...
Gram-positive and gram-negative bacteria differ in that A. Gram-positive bacteria have more peptidoglycan in their cell walls. B. Gram-positive bacteria have fimbriae but gram-negative bacteria do not. C. Gram-positive bacteria are spiral-shaped, and gram-negative bacteria are either rod-shaped or spherical. D. Only gram-negative bacteria can form endospores. E. There is no difference between gram negative and gram positive bacteria F. Gram positive are positively charged and gram negative are negatively charges An unknown bacterial species was found in the blood...
Answer all Identify whether the following are true of Gram-positive or Gram-negative bacteria. Has a cell...
Answer all
Identify whether the following are true of Gram-positive or Gram-negative bacteria. Has a cell wall Has a second outer membrane Contains the molecule LPS, which triggers an immune response through TLR proteins Contains the bacteria that cause cholera Ampicillin and amoxicillin are specific to this type as they block peptidoglycan production
43.Lipopolysaccharides (LPS) are found in: a. Gram-positive bacteria b. Gram-negative bacteria c. all Bacteria d. Archaea...
43.Lipopolysaccharides (LPS) are found in: a. Gram-positive bacteria b. Gram-negative bacteria c. all Bacteria d. Archaea e. Eukaryotes ------------------------- 44. There are similarities and differences between Gram-negative and Gram-positive bacteria. Which of the following is not true? a. The cell wall of Gram-negative cells is composed of only one or two layers of peptidoglycan whereas the cell walls of Grampositive bacteria have many peptidoglycan layers b. Only Gram-positive bacterial cells have a periplasm 2/6/18 8 c. The cell membranes of...
QUESTION 15 Why is crystal violet used in the Gram stain retained in the cell wall...
QUESTION 15 Why is crystal violet used in the Gram stain retained in the cell wall of Gram positive bacteria, but not in Gram negative bacteria? Gram positive bacteria have a thick peptidoglycan layer while Gram negative bacteria have a thin peptidoglycan layer. Gram positive bacteria form spores and Gram negative do not. O Gram positive bacteria have no peptidoglycan layer and Gram negative bacteria have a thick cell wall O Gram positive bacteria have capsules and Gram negative bacteria...
What functions to anchor peptidoglycan to the cytoplasmic membrane in Gram positive bacteria, but not Gram...
What functions to anchor peptidoglycan to the cytoplasmic membrane in Gram positive bacteria, but not Gram negative ones? a) Teichoic acid b) Lipoteichoic acid c) flagellin d) phospholipid
20.) The term spheroplast applies to a gram-negative bacterial cell which .......? A.) is likely to...
20.) The term spheroplast applies to a gram-negative bacterial
cell which .......?
A.) is likely to lyse due to the osmosis shock
b.) is just about to ready to produce a spore
c.) is fighting off an infection by becteriophages
d.) has lost its peptidoglycan layer of the cell wall
e.) is lacking a cell wall
17) Peptidoglycan is a polymer consisting of the following chemical constituents (1 pts) ON-acetyglucosamine (AGA), N-acetylmuramic acid, and a peptide chain ON-AGA, N-AMA, teichoic...
For each of the following statements about Peptidoglycan, answer TRUE or FALSE Penicillin kills bacteria by...
For each of the following statements about Peptidoglycan, answer TRUE or FALSE Penicillin kills bacteria by inhibiting peptidoglycan synthesis. Muramic acid is a modified sugar that is found in bacterial cell walls. The cell wall of yeast and other fungi is made of peptidoglycan. peptidoglycan are not seen in proteins. peptidoglycan. peptidoglycan. Some of the amino acids found in The cell wall of Archeae is made of Viruses do not have a cell wall made of Submit Answer Tries 0/3
What are the possible flagellar arrangements on bacteria? Describe the basic structure of peptidoglycan. What is...
What are the possible flagellar arrangements on bacteria? Describe the basic structure of peptidoglycan. What is the difference between gram positive and gram negative cell wall structure? Know the procedure and sequence of performing a gram stain, and what is happening to the bacterial cell after each step. What is the significance of a bacterial cell wall? (why is it so important?) How can hypertonic solutions be used to inhibit bacterial growth? What are the 3 types of motility seen...
Peptidoglycan is cross-linked between what constituents in gram-negative bacteria? A. N-acetylglucosamine residues B. N-acetylmuramic acid residues...
Peptidoglycan is cross-linked between what constituents in gram-negative bacteria? A. N-acetylglucosamine residues B. N-acetylmuramic acid residues C. glycine amino acids D. DAP and D-alanine amino acids E. A & C F. None of the above
If you perform a gram stain on a Gram positive bacteria but forget to add the...
If you perform a gram stain on a Gram positive bacteria but forget to add the iodine in the second step what color would the bacteria be? Question 6 options: Purple Green Red Orange The Gram Positive cell wall has a thick peptidoglycan layer, inner membrane, teichoic and ________________. Question 7 options: Outer membrane Lipoteichoic Acids Porins Lipopolysaccharides
Answer all
Identify whether the following are true of Gram-positive or Gram-negative bacteria. Has a cell wall Has a second outer membrane Contains the molecule LPS, which triggers an immune response through TLR proteins Contains the bacteria that cause cholera Ampicillin and amoxicillin are specific to this type as they block peptidoglycan production
QUESTION 15 Why is crystal violet used in the Gram stain retained in the cell wall of Gram positive bacteria, but not in Gram negative bacteria? Gram positive bacteria have a thick peptidoglycan layer while Gram negative bacteria have a thin peptidoglycan layer. Gram positive bacteria form spores and Gram negative do not. O Gram positive bacteria have no peptidoglycan layer and Gram negative bacteria have a thick cell wall O Gram positive bacteria have capsules and Gram negative bacteria...
20.) The term spheroplast applies to a gram-negative bacterial
cell which .......?
A.) is likely to lyse due to the osmosis shock
b.) is just about to ready to produce a spore
c.) is fighting off an infection by becteriophages
d.) has lost its peptidoglycan layer of the cell wall
e.) is lacking a cell wall
17) Peptidoglycan is a polymer consisting of the following chemical constituents (1 pts) ON-acetyglucosamine (AGA), N-acetylmuramic acid, and a peptide chain ON-AGA, N-AMA, teichoic...
For each of the following statements about Peptidoglycan, answer TRUE or FALSE Penicillin kills bacteria by inhibiting peptidoglycan synthesis. Muramic acid is a modified sugar that is found in bacterial cell walls. The cell wall of yeast and other fungi is made of peptidoglycan. peptidoglycan are not seen in proteins. peptidoglycan. peptidoglycan. Some of the amino acids found in The cell wall of Archeae is made of Viruses do not have a cell wall made of Submit Answer Tries 0/3
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