Microbiology

Based on the diagram above, the flagella arrangement of bacteria cell is known as ___________.

• Petritrichous

• Monotrichous

• Lophotrichous

• Amphitrichous

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NGSS.MS-LS4-2

To differentiate between Gram positive and Gram negative bacteria _____________________ procedure will be used.

Which of the following statement is TRUE regarding Gram positive bacteria?

• Cell wall have high lipid content

• Lipopolysacharides layer is present

• crystal violet stain is retained

• Have 2 layers of cytoplasmic membrane.

What is the function of Pilus in prokaryotic?

• for swimming movement

• Attachment to surface

• Transfer of DNA to other cells

• Serve as defense mechanism

A slippery outer covering in some bacteria that protects them from phagocytosis by host cells is

• cell wall

• capsule

• peptidoglycan

• Teichoic acid

The space between the cytoplasmic membrane and the outer membrane is called the periplasm.

• True

• False

Which of these is a cocci occurring in pairs?

• Streptococci

• Diplococci

• Streptococci

• Staphylococci

A Gram negative cell wall is __________ than a Gram positive one.

________________ is ability to produce disease in host organism.

Endotoxin is extremely potent than exotoxin.

• True

• False