The Discovery and Structure of Cells_previous version

Who were the first two scientists to propose the cell theory?

• a.Hooke and Curie
• b.Schleiden and Schwann
• c.Thomson and Rutherford
• d.Virchow and Rutherford

What is the smallest structural unit of living things?

• a.a chromosome
• b.a membrane
• c.the cell
• d.the ribosome

Scientists that study cells are called

• a.anthropologists.
• b.biologists.
• c.toxicologists.
• d.cytologists.

What features are common to all cells?

• a.a plasma membrane, RNA, and genetic material
• b.cytoplasm, a plasma membrane, and genetic material
• c.DNA and cytoplasm
• d.DNA and RNA

What are prokaryotic cells?

• a.cells that contain a membrane
• b.cells that contain a nucleus
• c.cells that lack a membrane
• d.cells that lack a nucleus

Under what category do animal cells fall?

• a.eukaryotic cells
• b.bacteria
• c.prokaryotic cells
• d.single cells

Prokaryotic and eukaryotic cells differ in that prokaryotic cells do not have

• a.a nucleus.
• b.a plasma membrane.
• c.a ribosome.
• d.genetic material.

What is one major aspect that may differ between different types of cells?

• a.the ability to reproduce
• b.the presence or absence of ribosomes
• c.the presence or absence of the nucleus
• d.the presence or absence of the plasma membrane

The structure of a cell is independent from its function.

• a.true
• b.false

The presence of the plasma membrane allows a cell to

• a.determine its function.
• b.determine which activities it will perform.
• c.eliminate waste without contamination.
• d.reproduce quickly and efficiently.