Which of the following statements about LPS (lipopolysaccharide) is false? A. Only gram-negative bacteria have LPS....
Which of the following statements about LPS (lipopolysaccharide) is false?
A. Only gram-negative bacteria have LPS.
B. LPS can stimulate fever in the host.
C. LPS is an endogenous pyrogen.
D. The lipid A component of LPS is the toxic component.
Homework Answers
Option C is incorrect
LPS is an endotoxin found in the cell wall of gram-negative bacteria.
Add Answer to:
Which of the following statements about LPS
(lipopolysaccharide) is false?
A. Only gram-negative bacteria have LPS....
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...
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...
6. Tetracyclines are effective against several gram-positive and gram-negative microorganisms. Additionally, they can cause which of...
6. Tetracyclines are effective against several gram-positive and gram-negative microorganisms. Additionally, they can cause which of the three following side effects? a. Eye sclera discoloration, colitis, and a photosensitivity rash b. Tooth discoloration, colitis, and insomnia Colitis, a photosensitivity rash, and hypothyroidism c. d. Tooth discoloration, colitis, and a photosensitivity rash Tobramycin sulfate is an example of a a. Penicillin a.. 7. b. Cephalosporin c. Carbapenem d. Aminoglycoside 8. True or False: Quinolones are a type of antibiotic that inhibit...
Need this now, please help Classify the statements as being true for either endotoxins or exotoxins....
Need this now, please help
Classify the statements as being true for either endotoxins or exotoxins. Exotoxins Endotoxins Composed of lipid A Cannot be used in a toxoid vaccine Can be highly specific Part of cell structure Unaffected by heat May cause cell lysis Activate B cells May hydrolyze phospholipids May activate helper T May cause fever and shock Neutralized by antitoxin Can be used in a toxoid vaccine Reset Please classify the statements about endotoxins and exotoxins. Made by...
Which of the following statements is FALSE? Gram positive bacteria with a low G/C to A/T...
Which of the following statements is FALSE? Gram positive bacteria with a low G/C to A/T ratio are classified as Firmicutes. Streptococcus and Staphylococcus genera are both gram positive Gram positive bacteria with a high G/C to NT ratio are classified as Actinobacteria Mycoplasma pneumoniae can cause a mild disease called "walking pneumonia". The "G/C ratio" refers to the molar ratio of Guanine compared to that of Cytosine.
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
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
choose: which defense mechanism is more effective against gram positive bacteria than gram negative bacteria? a-...
choose: which defense mechanism is more effective against gram positive bacteria than gram negative bacteria? a- inflammation b- B-galactosidase c- peptidyl transferase d- lysozyme
94) The most common infectious disease's) is/are A) colds C) hepatitis. B) İnfluenza. D) gonorrhes 95) Which organism causes the highest number of sexually transmitted diseases each year? A)...
94) The most common infectious disease's) is/are A) colds C) hepatitis. B) İnfluenza. D) gonorrhes 95) Which organism causes the highest number of sexually transmitted diseases each year? A) Treponema pallidum C) Trichomonas vaginalis B) Chlamydia trachomatis D) Neisseria gonorrhoeae 96) The ability of humans to resist a disease is called A) dormancy. B) resistance D) susceptābility. C) immunity. 97) Viral size is generally measured in A) micrometers. D) picometers. C) nanometers B) centimeters. 98) A virus that kills its...
9. Five hemodialysis patients at the same clinic developed fever, low blood pressure and shock. (In...
9. Five hemodialysis patients at the same clinic developed fever, low blood pressure and shock. (In hemodialysis, a patient's complete blood supply is pumped out of the body and filtered to remove impurities. This procedure is performed on patients who have kidney failure). Cultures showed that each patient was infected with a different, unrelated species of gram-negative bacteria. Which of the following is false about these infections? A. Since the capsule or Extracellular Polymeric Substance (EPS) of these bacteria is...
6. Tetracyclines are effective against several gram-positive and gram-negative microorganisms. Additionally, they can cause which of the three following side effects? a. Eye sclera discoloration, colitis, and a photosensitivity rash b. Tooth discoloration, colitis, and insomnia Colitis, a photosensitivity rash, and hypothyroidism c. d. Tooth discoloration, colitis, and a photosensitivity rash Tobramycin sulfate is an example of a a. Penicillin a.. 7. b. Cephalosporin c. Carbapenem d. Aminoglycoside 8. True or False: Quinolones are a type of antibiotic that inhibit...
Need this now, please help
Classify the statements as being true for either endotoxins or exotoxins. Exotoxins Endotoxins Composed of lipid A Cannot be used in a toxoid vaccine Can be highly specific Part of cell structure Unaffected by heat May cause cell lysis Activate B cells May hydrolyze phospholipids May activate helper T May cause fever and shock Neutralized by antitoxin Can be used in a toxoid vaccine Reset Please classify the statements about endotoxins and exotoxins. Made by...
Which of the following statements is FALSE? Gram positive bacteria with a low G/C to A/T ratio are classified as Firmicutes. Streptococcus and Staphylococcus genera are both gram positive Gram positive bacteria with a high G/C to NT ratio are classified as Actinobacteria Mycoplasma pneumoniae can cause a mild disease called "walking pneumonia". The "G/C ratio" refers to the molar ratio of Guanine compared to that of Cytosine.
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
94) The most common infectious disease's) is/are A) colds C) hepatitis. B) İnfluenza. D) gonorrhes 95) Which organism causes the highest number of sexually transmitted diseases each year? A) Treponema pallidum C) Trichomonas vaginalis B) Chlamydia trachomatis D) Neisseria gonorrhoeae 96) The ability of humans to resist a disease is called A) dormancy. B) resistance D) susceptābility. C) immunity. 97) Viral size is generally measured in A) micrometers. D) picometers. C) nanometers B) centimeters. 98) A virus that kills its...
9. Five hemodialysis patients at the same clinic developed fever, low blood pressure and shock. (In hemodialysis, a patient's complete blood supply is pumped out of the body and filtered to remove impurities. This procedure is performed on patients who have kidney failure). Cultures showed that each patient was infected with a different, unrelated species of gram-negative bacteria. Which of the following is false about these infections? A. Since the capsule or Extracellular Polymeric Substance (EPS) of these bacteria is...
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