Ceil and cell theory

Which of the following is NOT a cell theory.

• A statement that cells can arise spontaneously from non-cellular matter.
• All living organisms are composed of cells.
• Cells are the basic unit of life.
• All cells arise from pre-existing cells.

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

• Charles Darwin
• Theodor Schwann
• Isaac Newton
• Albert Einstein

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

• Louis Pasteur
• Robert Hooke
• Gregor Mendel
• Rudolf Virchow

When cells are damaged, new cells are created by cell division. How does the cell theory support this fact?

• Cell theory states that cells can arise from non-cellular matter.
• New cells are created spontaneously without division.
• Cell theory supports the fact that new cells are created by stating that all cells arise from existing cells through cell division.
• All cells are identical and do not change through division.

An Amoeba is a unicellular, animal-like protist that lives in ponds and streams. According to cell theory, where did this cell come from?

• The amoeba came from another amoebal cell

• The amoeba was created from inorganic materials.
• The amoeba originated from a plant cell.
• The amoeba developed spontaneously from the environment.