Virus and Bacteria

When a person has a cold sore ( fever blister) the herpes virus is in lytic cycle.

• True

• False

All bacteria have cell walls.

• True

• False

Bacteria possess several pairs of chromosomes.

• True

• False

Viruses contain DNA or RNA but never both.

• True

• False

Some bacteria have a gel-like covering called a _______which makes many antibiotics ineffective.

• Capsule

• Capsid

• Endospore

• Cell Wall

The protein coat which surrounds the viral DNA or RNA is called a

What is the most unique characteristic of bacteria?

• Their shape

• Their DNA

• Their prokaryotic cells

What are small circular pieces of DNA which can be exchanged between bacteria and give the bacteria different characteristics such as drug resistance?

• Cell Wall

• Plasmids

• Capsid

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What are the sticky string-like projections that bacteria use to cling to surfaces?

• Pili

• Tail Fibers

• Flagella

What is the gel-like covering that bacteria have which makes many antibiotics ineffective?

• Endospore

• Cell Wall

• Capsule