Cellular ultrastructure

Unicellular organisms has more than one cell

• True

• False

Unicellular organisms have a short lifespan due because...

• these organisms being very large in size

• they do not have cytoplasm to protect the cell from its environment

• they only has one available cell to conduct all processes in the cell

The surface-area to volume ratio tells us that...

• smaller cells have a higher surface area to volume ratio

• larger cells have a higher surface area to volume ratio

Cells > Tissues > ? > System

• Nucleus

• Proteins

• Organs

Prokaryotic cells have no genetic material

• True

• False

Eukaryotic cells have

• membrane bound organelles

• a nucleus

• cytoplasm

• all of the above

Prokaryotic cells can be either unicellular or multi-cellular

• True

• False

Eukaryotic cells can be unicellular or multicellular

• True

• False

The following organisms are prokaryotic (select multiple)

• plants

• bacteria

• archaea

• fungi

Endosymbiotic theory is a ...

• mathematical theory

• geographical theory

• evolutionary theory