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Answer: Option 4
Explanation:
The cell wall of Gram negative bacteria contain Peptidoglycan (10%), lipopolysaccharides, lipoprotein and phospholipid, while cell wall of Gram positive bacteria contain peptidoglycan (60-90%), teichoic acid and lipids. Discuss this in Forums
About 75% of known bacteria are Gram negative eg. Salmonella, Pseudomonas, Vibrio, Helicobacter, Haemophilus, Escherichia etc. Discuss this in Forums
Answer: Option 3
Treponema pallidum causes syphilis disease. Spirochaetes are slender, flexuous and helically coiled bacteria verying in length from 3-500um. Discuss this in Forums
Answer: Option 1
Teichoic acid is an acidic polymer consisting of carbohydrate, phosphate and an alcohol. It binds metals, acting as receptor sites for some viruses and maintaining cells at low pH to prevent degradation of cell walls by self produced enzymes. Discuss this in Forums
Sorry, No description available. Discuss this in Forums
Answer: Option 2