Bacteria Quiz

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1 point

What is an antibody?

A protein that blocks a pathogen from infecting a cell

A protein that can remember a specific pathogen for years

A protein made by a B-cell

All of the above

1 point

All of the following are true about bacteria EXCEPT

need energy to survive

reproduce asexually

multicellular

no organelles

1 point

What is the function of a dendritic cell?

To kill cells that are infected with a pathogen

To eat pathogens and then display them on the outside of itself for B-cells and T-cells to see

To make antibodies

To be kill a specific infected cell

1 point

Which type of viral infection hides viral DNA inside a host cell DNA until the virus is ready to make more virus particles?

Lytic

Lysogenic

1 point

Prokaryotes are single-celled organisms that lack a nucleus.

True

False

1 point

There are billinos of bacteria inside the human intestinges that help digest food and produce vitamins

True

False

1 point

Bacteria perform the following functions EXCEPT

they make energy from sunlight

they return nutrients to the earth from dead organisms

they make nitrogen for plants

the good bacteria in your body can kill viruses to keep you healthy

1 point

Bacteria have limited genetic variability because they divide by binary fission.

True

False

1 point

Prokaryotic DNA stretched out would look like a spaghetti noodle (one long line)

True

False

10.

1 point

The most common prokaryotic shapes are helices, polygons, spheres, and rods

True

False

11.

1 point

Which of the following is not a defense strategy that your body uses?

Barriers

Adaptive immunity

Responsive immunity

Innate immunity

12.

1 point

Bacteria that are found in extreme environmnets are classified as

Archaea

Monera

Protista

Bacteria

13.

1 point

viruses lack cell membranes, cytoplasm, ribosomes, but they do have genetic material.

True

False

14.

1 point

Antibiotics only kill certain types of viruses

True

False

15.

1 point

Since prokaryotes do not have organelles, they do not have ribosomes.

True

False

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