Viruses and Prokaryotes

Bacteria and archaea differ in

• whether they have a nucleus.

• the make up of their cell walls.

• size.

• whether they have a cell wall.

Tags

NGSS.MS-LS4-2

Escherichia coli is classified as

• an archaea.

• a bacterium.

• a eukaryote.

• a virus.

Which of the following is a member of Archaea?

• methane producers

• eubacteria

• eukaryotes

• E. coli

What does this picture show the structure of?

• a virus

• a protist

• a bacterium (bacteria plural)

• a pandemonium

Which of the bacteria shown is in the shape of a coccus?

• the spherical bacteria

• the rod-shaped bacteria

• the spiral-shaped bacteria

• the viral shaped bacteria

Which of the following can survive either with oxygen or without it?

• obligate aerobes

• obligate anaerobes

• facultative anaerobes

• bacteriophages

Some prokaryotes are able to survive unfavorable conditions by forming

• flagella

• capsids

• cocci

• endospores

What three characteristics are used to classify prokaryotes?

• by size, where they live, and whether they need air

• whether they have cell walls, flagella or cilia, and nuclei

• how they reproduce, where they get food, and whether they have DNA

• by shape, how they move, and how they get energy

During what process do prokaryotes exchange genetic information?

• cell division

• binary fission

• conjugation

• endospore formation

Which of the following is NOT a way in which humans rely on prokaryotes?

• to digest petroleum from oil spill

• to produce foods such as yogurt

• to synthesize drugs

• to form a symbiotic relationship and obtain ammonia