MQ14 - The Prokaryotic Domains

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1 point

Eukaryotic cells are more complex than prokaryotic cells.

True

False

1 point

Which of the following is not a domain?

Archaea

Eukarya

Animalia

Bacteria

1 point

Which of the following types of organisms are not prokaryotic? (choose all that apply)

Bacteria

Eukarya

Archaea

Animalia

1 point

A microbiologist looks at a sample of prokaryotes under a microscope and sees what look like grapes. The shape can be described as

circilli

bacilli

spirilli

cocci

1 point

Which of the following is not a type of archaea? (Choose all that apply)

Halophiles

Thermophiles

Saltophiles

Chlamydias

Methanogens

1 point

A prokaryote is found living in an extremely salty environment. This organism must be a

methanogen

halophile

saltophiles

thermophile

1 point

Which of the following is false concerning spirochetes?

they can be harmful

they can be helpful

they are a type of archaea

they are shaped like coils

1 point

The type of bacteria that wiped out 1/3 of Europe in the 1300s was a

chlamydia

proteobacteria

gram positive bacteria

cyanobacteria

1 point

What is special about cyanobacteria?

they can produce their own food

they photosynthesize

they contain chloroplasts and chlorophyll

all of the above

10.

1 point

Bacteria contain DNA in the form of

one long circular chromosome and perhaps some smaller plasmids

only one long circular chromosome

multiple plasmids

23 pairs of homologous chromosomes

11.

1 point

Prokaryotes reproduce asexually by

meiosis

mitosis

binary fission

splitting

12.

1 point

All species of prokaryotes separate completely at the end of binary fission.

True

False

13.

1 point

A septum is

a small piece of prokaryotic DNA

a type of ribosome

a wall that forms between two new cells

14.

1 point

Which of the following is false regarding conjugation?

increases the chance that a population can survive in a changing environment

involves a pilus

it creates genetically identical daughter cells

occurs when two prokaryotes exchange DNA

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