Think you’ve got your head wrapped around Prokaryotes? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Gram negative bacteria have:
Thin cell wall, no outer membrane
Thick cell wall, outer membrane
Thin cell wall, outer membrane
Thick cell wall, no outer membrane
Mitochondria
Q. Lipopolysaccharide is a component of:
The goo in biofilms.
The outer membrane.
The cell wall.
The inner membrane.
B and D.
Q. Bacteria are commonly differentiated by:
Shape
Serotype
DNA sequence
A and C
A, B, and C
Q. Koch’s postulates can be applied to:
Animal diseases
Unculturable bacteria
Cholera
A and C
A, B, and C
Q. Thermophiles do all of the following EXCEPT:
Include both archaea and bacteria
Generally grow poorly at low temperatures
Have stronger intramolecular protein bonds
Contain peptidoglycan
Have higher than average A/T DNA content
Q. Flagella are used for ____ while pili are used for _____ and ______.
Sticking to surfaces, conjugation, swimming
Conjugation, swimming, sticking to surfaces
Conjugation, mating, swimming
Swimming, sticking to surfaces, conjugation
Swimming, sticking to surfaces, antibiotic transport
Q. Spores
Have abundant energy stores
Are made by bacteria and fungi
Are made by bacteria and archaea
A and C
A and B
Q. Nitrogen fixation
Detoxifies nitrogen compounds
Is necessary because there is little nitrogen in the air
Occurs in root nodules
Is a staining technique
A, B, and C
Q. The comma-shaped bacterium Vibrio cholerae causes ___ and can be prevented by ____.
Cholera, ensuring consumption of clean food and water.
Cholera, reducing exposure to deer because it is transmitted by ticks.
Lyme disease, reducing exposure to deer because it is transmitted by ticks.
Lyme disease, ensuring consumption of clean food and water.
None of the above.
Q. Disinfectants are:
A class of antibiotics
Antiseptics that are used on the skin
Safe for consumption
Bactericidal
B and D