3 bact 1

What is the oldest life form according to the text?

• Fungi

• Bacteria

• Plants

• Animals

What type of cells are bacteria classified as?

• Prokaryotic

• Stem cells

• Multicellular

• Eukaryotic

Which of the following is NOT a characteristic of bacteria?

• Microscopic

• Unicellular

• Contains a nucleus

• Variety of shapes

What is the function of the cell wall in bacteria?

• Contains DNA

• Moves the cell

• Protects and gives shape

• Regulates movement of materials

Which kingdom of bacteria is more common in human daily life?

• Kingdom Protista

• Kingdom Archaebacteria

• Kingdom Eubacteria

• Kingdom Fungi

What shape do bacilli bacteria have?

• Rod-shaped

• Spiral-shaped

• Sphere-shaped

• Flat-shaped

What is the role of the flagellum in bacteria?

• Protects the cell

• Moves the cell

• Regulates cell respiration

• Contains genetic information

What is peptidoglycan?

• A type of DNA

• A component of bacterial cell walls

• A carbohydrate

• A type of protein

Which of the following structures contains DNA in bacteria?

• Cytoplasm

• Endospore

• Cell wall

• Outer membrane

What is the function of the capsule or slime layer in bacteria?

• Protects the cell

• Regulates movement

• Carries genetic information

• Contains ribosomes