Flashcard on Prokaryotes

Front

What is a bacteriophage?

Back

A virus that infects bacteria.

Front

What happens after the viral DNA is activated in the host cell?

Back

The virus makes RNA from the viral DNA.

Front

What is the effect of abnormal prions on the brain?

Back

They burst nerve cells, leaving spaces that make the brain look like a sponge.

Front

What is the active period in a virus's cycle called?

Back

Lytic cycle.

Front

What is the common name for the disease caused by prions in cattle?

Back

Mad cow disease.

Front

What are prokaryotes?

Back

Single-celled organisms that lack a nucleus, such as bacteria.

Front

What is the structure of a typical bacterium?

Back

A typical bacterium has a cell wall, cell membrane, cytoplasm, ribosomes, and genetic material (DNA).

Front

How do viruses differ from prokaryotes?

Back

Viruses are acellular and cannot reproduce on their own, while prokaryotes are cellular and can reproduce independently.

Front

What is the role of ribosomes in bacteria?

Back

Ribosomes are responsible for protein synthesis in bacteria.

Front

What is the significance of the lytic cycle in viral replication?

Back

The lytic cycle leads to the destruction of the host cell and the release of new viral particles.