Biology Unit Test

Which protects most prokaryotes from the surrounding environment and provides structural support?

• Flagella

• Nucleus

• Ribosome

• Cell Membrane

Which contains a membrane bound nucleus?

• Bacteria

• Prokaryotes

• Eukaryotes

• Viruses

Which can only be found in prokaryotes that is used to transfer genetic information from one cell to another?

• Mitochondria

• Plasmids

• Ribosomes

• Vacuoles

Which statement represents an accurate comparison between prokaryotic and eukaryotic cells?

• Prokaryotic cells are larger than eukaryotic cells.

• Prokaryotic cells have membrane bound organelles and eukaryotic cells do not

• Prokaryotic cells are members of protista and fungi kingdoms, eukaryotic cells are members of archae and bacteria kingdoms.

• Prokaryotic cells contain spiral DNA and no nucleus, eukaryotic cells contain a nucleus and linear DNA

A student examines and unidentified cell and determines that it is an eukaryote. Which structure did the student identify in order to draw this conclusion?

• Cell Wall

• Ribosome

• Mitochondrion

• Plasma Membrane

A student examines and unidentified cell and determines that it is an eukaryote. Which structure did the student identify in order to draw this conclusion?

• Cell Wall

• Ribosome

• Mitochondrion

• Plasma Membrane

Which is the most significant difference between an eukaryotic and prokaryotic cell?

• A prokaryotic cell is complex, an eukaryotic cell is simple

• A prokaryotic cell is multi-cellular, an eukaryotic cell is unicellular

• A prokaryotic cell requires oxygen, an eukaryotic cell requires carbon dioxide

• A prokaryotic cell does not have a well defined nucleus, an eukaryotic cell has a membrane bound nucleus

Which organisms are best described as prokaryotic cells?

• Bacteria

• Protists

• Plants

• Fungi

Which characteristic of mitochondria and chloroplast led scientist to believe that the two organelles evolved through the symbiotic relationship between the two prokaryotic organisms?

• the presence of a cell wall

• the development of a bi-layer membrane

• the presence of their own genetic material

• the ability to store energy directly from the sun

Which characteristic of mitochondria and chloroplast led scientist to believe that the two organelles evolved through the symbiotic relationship between the two prokaryotic organisms?

• the presence of a cell wall

• the development of a bi-layer membrane

• the presence of their own genetic material

• the ability to store energy directly from the sun