1.2 Ultrastructure of Cells

What distinguishes prokaryotic cells from eukaryotic cells?

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

What is the structure labelled X?

• Pilus

• Cell wall

• Cytoplasm

• Cell membrane

What is the process shown in this image?

• Binary fission of a prokaryotic cell

• Telophase II in a eukaryotic cell

• End of mitosis in a proakryotic cell

• Cytokinesis of a eukaryotic cell

What is the function of the cytoplasmic (plasma) membrane of this bacterium?

• To produce ADP

• To form the only protective layer preventing damage from outside

• To control entry and exist of substances

• To synthesize proteins

In the diagram, what does lable X identify?

• Nucleoid region

• Chromatin

• Histones

• Endoplasmic reticulum