Closer Look at prokaryotes

Closer Look at Prokaryotes

Learning Target:

• I can identify the key features of prokaryotic cells in a diagram.

• I can identify examples of prokaryotes.

Read the passage below about prokaryotes to help you answer questions.

Multiple Select

What are the two categories of bacteria?

• Eubacteria

• Archaebacteria

• Archaea

• Viruses

Multiple Choice

Which is the oldest life forms on earth?

• Eubacteria

• Archaebacteria

Multiple Choice

What does decompose mean?

• break down

• Assemble

• Construct

Multiple Choice

Which bacteria causes strep throat?

• streptococcus

• salmonella

Multiple Choice

Which bacteria causes food poisoning?

• streptococcus

• salmonella

Multiple Choice

Bacteria helps us make food.

• True

• False

​Bacteria have a very simple cell design. Most of them have a thick outer covering called the cell wall.

​Bacteria have a very simple cell design. Most of them have a thick outer covering called the cell wall.

Touch the Cell Wall.

Just within the cell wall is the cell membrane.

​Just within the cell wall is the cell membrane.

Touch the cell membrane.

Bacteria might also need to move around in their environment, so they can have structures called flagella, which resemble tails.

Bacteria might also need to move around in their environment, so they can have structures called flagella, which resemble tails.

Touch the flagella.

Every prokaryote cell has DNA floating within the cytoplasm, which usually looks like a twisted strand of spaghetti. DNA contains the instructions for the cell, basically it is the control center.

Every prokaryote cell has DNA floating within the cytoplasm, which usually looks like a twisted strand of spaghetti. DNA contains the instructions for the cell, basically it is the control center.

Touch the DNA

Multiple Choice

What is the arrow pointing to on the prokaryote?

• Cell wall

• Cell membrane

• Flagella

• DNA

Multiple Choice

What is the arrow pointing to on the prokaryote? (outer layer)

• Cell wall

• Cell membrane

• Flagella

• DNA

Multiple Choice

What is the arrow pointing to on the prokaryote?

• Cell wall

• Cell membrane

• Flagella

• DNA

Multiple Choice

What is the arrow pointing to on the prokaryote? (inner layer)

• Cell wall

• Cell membrane

• Flagella

• DNA