P.3 Presentation Flashcard #1

Front

All protists are __________________________.

Back

Eukaryotic

Front

Which one needs a 'host' cell to reproduce?

Back

Virus

Front

Which viral cycle kills the host cell immediately?

Back

Lytic

Front

A structure used to control water balance in a unicellular organism by releasing excess water.

Back

Contractile vacuole

Front

The cycle whereby a virus hides within the host cell's DNA for up to years is going through the _______ cycle.

Back

Lysogenic

Front

What is the primary characteristic that distinguishes prokaryotic cells from eukaryotic cells?

Back

Prokaryotic cells lack a nucleus.

Front

Define a virus.

Back

A virus is a microscopic infectious agent that requires a host cell to replicate.

Front

What is the function of the contractile vacuole in unicellular organisms?

Back

To expel excess water and maintain osmotic balance.

Front

What happens during the lytic cycle of a virus?

Back

The virus infects a host cell, replicates, and causes the cell to burst, releasing new viruses.

Front

What is the difference between the lytic and lysogenic cycles?

Back

The lytic cycle destroys the host cell immediately, while the lysogenic cycle integrates into the host's DNA and can remain dormant.