Cell Theory and Structure Review

______________ are the basic unit of life.

• DNA
• RNA
• Cells
• Takis

Which of the following scientists concluded that all animals are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

Which scientist coined the term "cell"?

• Schleiden

• Schwann

• Hooke

• Leeuwenhoek

All living things are made up of...

• cells
• cell tissues
• organ
• organ systems

the definition of unicellular are

• any of a number of organized or specialized structures within a living cell.

• the smallest structural and functional unit of an organism,

• consisting of a single cell.

• a theory in biology that includes one or both of the statements that the cell is the fundamental structural and functional unit of living matter and that the organism is composed of autonomous cells with its properties being the sum of those of its cells

What was Schleiden convinced of? 

• All plants are made of cells
• All animals are made of cells
• All cells form spontaneously
• None of the above

Who discovered that cells come from preexisting cells and whose research lead to the major principles of cell theory?

• Matthias Schleiden
• Robert Hooke
• Zacharias Janssen
• Rudolf Virchow

Which is not a part of cell theory?

• All organisms are made of cells
• All existing cells come from preexisting cells
• All matter is composed of living cells
• The cell is the most basic unit of life

Which of the following controls movement of materials in and out of a cell? 

• Cell wall
• Cell membrane
• Cytoplasm
• Nucleus

Microscopic single-cells that do not have a nucleus or other membrane-bound organelles. 

• DNA
• RNA
• Eukaryotes
• Prokaryotes