BIOL 2420 Final Exam Review

Front

What distinguishes bacteria and archaea from other cellular microbes?

Back

They have no nucleus.

Front

What activates the Classical complement pathway?

Back

Antibody-antigen complex.

Front

Which characteristic is NOT associated with prokaryotic cells?

Back

They lack a plasma membrane.

Front

Which of the following is NOT part of innate immunity?

Back

Antibodies.

Front

Which process is NOT considered a physical agent to control microorganisms?

Back

Disinfection.

Front

Define prokaryotic cells.

Back

Cells that lack a nucleus and membrane-bound organelles.

Front

What is the role of macrophages in the immune system?

Back

They are part of innate immunity and help in phagocytosis.

Front

What is peptidoglycan?

Back

A polymer that makes up the cell wall of bacteria.

Front

What is the function of antibodies?

Back

Proteins that specifically bind to antigens to neutralize pathogens.

Front

What is the difference between innate and adaptive immunity?

Back

Innate immunity is non-specific and immediate, while adaptive immunity is specific and develops over time.