Microbes Review for Test

Commensalism is a symbiotic relationship where one organism benefits and the other:

• is harmed

• also benefits

• is not present

• is unaffected

Parasitism is a symbiotic relationship where one organism benefits and the other:

• is harmed

• also benefits

• is not present

• is unaffected

Mutualism is a symbiotic relationship where one organism benefits and the other:

• is harmed

• also benefits

• is not present

• is unaffected

Which of the following is an example of a noninfectious disease?

• HIV

• strep throat

• diabetes

• flu

All of the following are types of pathogens except:

• genetic

• bacterial

• viral

• chemical

How does Pasteurization help fight diseases?

• it heats up food/liquids enough to kill bacteria

• it builds up immunity by injecting weakened viruses

• it slows growth or kills bacteria

• it prevents mutations

How do antibiotics help fight diseases?

• it heats up food/liquids enough to kill bacteria

• it builds up immunity by injecting weakened viruses

• it slows growth or kills bacteria

• it prevents mutations

How do vaccines help fight diseases?

• it heats up food/liquids enough to kill bacteria

• it builds up immunity by injecting weakened viruses

• it slows growth or kills bacteria

• it prevents mutations

Viruses are not considered a living organism because:

• they are only made of one cell

• they are prokaryotic cells

• they don't reproduce/replicate

• they are not made of one or more cells

How do viruses replicate?

• they reproduce sexually with other viruses

• they insert genetic material into the host cell, the cell makes copies of the virus

• they use binary fission asexually

• they use budding