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Viruses

Authored by Jorie Williams

Biology

9th Grade

Used 45+ times

Viruses
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

The outer protein coat of a virus is called a

DNA core.

capsid.

bacteriophages.

endospores.

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the basic structure of a virus?

DNA or RNA surrounded by a protein coat.

a capsid surrounded by a protein coat.

a tail sheath surrounded by tail

a tiny cell surrounded by a cell.

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Viruses are prokaryotes?

True

False

Answer explanation

Viruses are non living. A prokaryote is a cell without a nucleus.

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Viruses are ______________

producers.

consumers.

parasites.

decomposers.

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

The study of viruses is a part of biology because

they belong to the kingdom Eubacteria

they are about to become extinct.

they are living organisms.

they are active inside living cells.

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which occurs during the lysogenic cycle of a virus infection?

Viral genes instruct the host cell to make more viral protein capsids and enzymes needed for viral replication.

The virus produces active, immediate infections.

The virus takes over the cell, makes copies of itself, and usually kills the host cell.

The viral genes become a part of the host cell DNA, so the cell continually makes more copies of the virus.

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What do viruses have in common with living cells? They both...

store genetic information
have chloroplasts
use glucose for cellular respiration
have endoplasmic reticulum

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