15 questions
Which of these is a cocci occurring in pairs?
Streptococci
Diplococci
Streptococci
Staphylococci
Based on the diagram above, the flagella arrangement of bacteria cell is known as ___________.
Petritrichous
Monotrichous
Lophotrichous
Amphitrichous
To differentiate between Gram positive and Gram negative bacteria _____________________ procedure will be used.
A Gram negative cell wall is __________ than a Gram positive one.
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
Lipopolysaccharides also can be known as
Exotoxin
Endotoxin
________________ is ability to produce disease in host organism.
Endotoxin is extremely potent than exotoxin.
True
False
Bacteria endopsore usually occur in Gram positive bacteria.
True
False
A slippery outer covering in some bacteria that protects them from phagocytosis by host cells is
cell wall
capsule
peptidoglycan
Teichoic acid
Pleomorphic is the term used particularly for bacteria having
One shape
Rod
Spiral
Variable shape
The space between the cytoplasmic membrane and the outer membrane is called the periplasm.
True
False
Bacteria are best measured in nanometers?
True
False
Prokaryotic and eukaryotic cells have many differences, but they also share some common features. Which of the following may be found in either type of cell?
Golgi bodies
mitochondria
ribosomes
nucleus