Prokaryotes 2

If a bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cells from rupturing is the ______.

• endospore

• slime layer

• cell membrane

• cell wall

Tags

NGSS.MS-LS1-5

Cell membranes are mostly made of:

• proteins

• lipids

• carbohydrates

• nucleic acids

All bacteria and archaea have a cell wall made of peptidoglycan

• True

• False

Bacteria that have a thick peptidoglycan layer and teichoic acids are classified as

• Gram positive

• Gram negative

What color do Gram negative bacteria stain?

Bacteria that have an outer membrane, thin peptidoglycan cell wall and LPS embedded are:

• Gram positive

• Gram negative

The structure that some bacteria make as dormant bodies to survive extreme conditions is:

• ribosomes

• LPS

• endospore

• capsule

Archaea are more closely related to Eukarya

• True

• False

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

Which of the following structures is NOT present in all bacteria

• DNA

• cell wall

• ribosomes

• cell membrane