Deck 17: The Immune System and Disease

Question 1

Which of the following does not consist of complete cells?

A)viruses
B)bacteria
C)algae

Answer 1

A

Question 2

How could you show experimentally that a newly discovered disease-causing agent is a virus or a bacterium?

A)test to see if is killed by high temperatures
B)test to see if is killed by changes in pH
C)test to see if it is metabolically active outside a living cell

Answer 2

C

Question 3

Why are bacteria in the human intestines beneficial?

A)They eliminate mutations
B)They speed evolution
C)They prevent disease-causing bacteria from growing

Answer 3

C