Origin of Life Bell Ringer and The Cell Theory

The cell theory states that

• all organisms are made of one or more cells
• all cells come from already existing cells
• all the life functions of organisms occur within cells
• all of the above

Robert Hooke was the first person to observe cells. He observed these cells in

• a piece of cork
• a slice of honeycomb
• human blood
• plaque from his own teeth

Who stated that all cells come from preexisting cells?

• Schleiden
• Schwann
• Virchow
• Hooke

Who studied animal tissues and determined that all animals are made of cells?

• Schleiden
• Schwann
• Virchow
• Hooke

Who studied plants and determined that all plants are made of cells?

• Schleiden
• Schwann
• Virchow
• Hooke

The idea that living organisms come from nonliving organisms is called?

• evolution
• spontaneous generation
• homeostasis
• hereditary

Which scientist disproved the entire idea of spontaneous generation?

• Redii
• Schleiden
• Virchow
• Pasteur

Who performed the experiment below?

• Oparin-Haldane
• Miller-Urey
• Watson-Crick
• Redii

What hypothesis was this experiment testing?

• The RNA World Hypothesis
• Primordial Soup Theory
• Bubble Model
• Mitosis

Which of the following is NOT part of the cell theory?

• all cells contain a nucleus
• all cells come from preexisting cells
• all organisms are composed of cells
• cells are the basic unit of structure and function of all living things