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Microbiology > Chapter 4 > Flashcards

Chapter 4 Flashcards

1
Q

Which of the following is Obligate intracellular bacteria?

Chlamydia
Mycoplasma
Rickettsia

A

Chlamydia-Rickettsia

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2
Q

Which of the following Lack rigid peptidoglycan layer?
“N-acetyl muramic acid is absent”

Chlamydia
Mycoplasma
Rickettsia

A

Chlamydia

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3
Q

Which one of the following Synthesise their own proteins, nucleic acids,and lipids?

Chlamydia
Mycoplasma
Rickettsia

A

Chlamydia

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4
Q

Which one of the following Susceptible to antibiotics?

Chlamydia
Mycoplasma
Rickettsia

A

Chlamydia

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5
Q

Which one of the following Can not grow on artificial media?

Chlamydia
Mycoplasma
Rickettsia

A

Chlamydia-Rickettsia

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6
Q

Which one of the following The smallest free-living bacteria?

Chlamydia
Mycoplasma
Rickettsia

A

Mycoplasma

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7
Q

Which one of the following Do not have cell wall?

Chlamydia
Mycoplasma
Rickettsia

A

Mycoplasma

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8
Q

Which one of the following their Cell membrane contain sterol?

Chlamydia
Mycoplasma
Rickettsia

A

Mycoplasma

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9
Q

Which one of the following Internalization by
endocytosis/pinocytosis?

Chlamydia
Mycoplasma
Rickettsia

A

Chlamydia

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10
Q

Which one of the following it is extracellular bacteria?

Chlamydia
Mycoplasma
Rickettsia

A

Mycoplasma

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11
Q

Which one of the following can grow on artificial
media?

Chlamydia
Mycoplasma
Rickettsia

A

Mycoplasma

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12
Q

Which one of the following Can produce ATP but use the host cell ATP as long as it is available?

Chlamydia
Mycoplasma
Rickettsia

A

Rickettsia

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13
Q

Which one of the following Transmitted by arthropod vectors (ticks, mites, lice, fleas)?

Chlamydia
Mycoplasma
Rickettsia

A

Rickettsia

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14
Q

Which one of the following Gram-negative, pleomorphic coccobacilli?

Chlamydia
Mycoplasma
Rickettsia

A

Rickettsia

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15
Q

Which one of the following Resistant to the antibiotics that interfere with synthesis of the cell wall (penicillins, cephalosporins, vancomycin,…)?

Chlamydia
Mycoplasma
Rickettsia

A

Mycoplasma

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16
Q

Which of the following statements is not correct?
1-in the life cycle of chlamydia , elementary body is the metabolically inactive form
2-Rickettsia is an extracellular bacterium
3-Chlamydia cannot grow on the artificial media
4-The cell membrane of Mycoplasma contains sterols
5-Rickettsia is transmitted by arthropod vectors.

A

2

17
Q

Which one of the following is Aerobic?

Chlamydia
Mycoplasma
Rickettsia

A

Rickettsia

18
Q

Which one of the following is facultative anaerobic?

Chlamydia
Mycoplasma
Rickettsia

A

Mycoplasma

Microbiology (6 decks)

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