Forwarded from Exam microbiology (• ھہيِٰہفہٰٰآء ، ¦ 🌥❄️)،')
capsule is very delicate structureit can be removed by?
Anonymous Quiz
6%
Adding alcohol
76%
vigorous washing
18%
simple washing
Forwarded from Exam microbiology (• ھہيِٰہفہٰٰآء ، ¦ 🌥❄️)،')
Forwarded from Exam microbiology (• ھہيِٰہفہٰٰآء ، ¦ 🌥❄️)،')
The name staphkococci is derived from the Greek word meaning . ?
Anonymous Quiz
10%
cluster
17%
grapes
73%
cluster grapes
Forwarded from Exam microbiology (صهيب)
Ribosomes are known as a universal organelle. Why?
??
??
Forwarded from _______
nucleic acid is water soluble polymer of glycerol or ribitol phosphate present in gram positive bacteria
Anonymous Quiz
55%
T
45%
F
Forwarded from _______
One type capsule thickness less than 0.2Mm, visible under Electron microscope known
Anonymous Quiz
81%
Microcapsule
14%
Macrocapsule
5%
Non the above
👍1
Forwarded from _______
Cell wall contain peptidoglycan , lipid ,and( LPS) classified
Anonymous Quiz
34%
Gram positive
66%
Gram Negative
👍1
Forwarded from _______
OF function pili structure outer cell wall
Anonymous Quiz
19%
helps the bacteria to attach the host cell surface
16%
help in transfer of DNA from donor to recipient
2%
act as receptor for bacteriophage
63%
All of above
Exam microbiology
*:categories of bacteria are based on their 1
*الاجابة الصح ل هذاا السؤال cell wall.
👍1
Forwarded from صهيب
Forwarded from صهيب
Which of the following Staphylococcal haemolysins does not possess leucocidal activity?
Anonymous Quiz
19%
α haemolysin
29%
γ haemolysin
22%
β haemolysin
30%
δ haemolysin
Forwarded from صهيب
Bacteria which produces coagulase is:
Anonymous Quiz
69%
S.aureus
14%
S. epidermidis
10%
S.saprophytics
6%
S.hominis
Forwarded from صهيب
The toxin of Staphylococcus aureus that may result into scalded skin syndrome is
Anonymous Quiz
24%
Enterotoxin
7%
Lecucidin
58%
Epidermolytic toxin
12%
Haemolysin
Forwarded from صهيب
Which of the following Staphylococcal haemolysins does not cause lysis of human RBCs?
Anonymous Quiz
21%
δ haemolysin
22%
α haemolysin
42%
γ haemolysin
15%
β haemolysin
Forwarded from صهيب
Most strains of Staphylococcus aureus indicate
Anonymous Quiz
22%
phosphatase production
17%
a golden-yellow pigment
13%
β-haemolysis on sheep blood agar
48%
All the bove