Bacteria and Archaea

Which of the following is one of the 3 domains?

• Animals

• Bacteria

• Prokaryote

• Fungi

Which domain has organisms that live in harsh environments?

• Bacteria

• Archaea

• Both

Are archaea multicellular or unicellular?

• Multicellular

• Unicellular

Tags

NGSS.MS-LS1-1

Where can you find DNA (genetic material) inside a prokaryote?

• Nucleus

• Free Floating

• Mitochondria

• Endoplasmic Reticulum

True or False: ALL bacteria are bad and will make you sick.

• True

• False

a rod shaped bacteria is called

• spiral

• bacillus

• coccus

• vibrio

the Gram-positive bacteria stain purple because

• they form endospore

• they have cellulose layer

• they have thick peptidoglycan layer

• they have thin peptidoglycan layer

Which compound in the cell wall that causes a Gram positive bacteria stain purple in colour when it is treated with crystal violet dye?

• Cellulose

• Lipoprotein

• Peptidoglycan

• Lipopolysaccharide

Bacteria are found in many different shapes. What are the 3 most common shapes of bacteria.

• rod, sphere, spiral

• square sphere, spiral

• spiral, rectangle, sphere

Which of the following statements show characteristics of Sulfolobus sp.?

I. The cell walls do not contain peptidoglycan.

II. There are no membrane-enclosed organelles within their cytoplasm.

III. Their DNA consist of histone proteins.

IV. Their membrane lipid has unbranched hydrocarbon chain that linked by ether linkage

• I, II and III

• II, III and IV

• I, II and IV

• I, III and IV