Principles of Cell Theory

Which of the following is NOT one of the principles of cell theory?

• All living things are made up of one or more cells.

• Cells are the most basic unit of structure and function in all living things.

• Cells are composed of atoms and molecules.

• All cells are created by pre-existing cells.

The cell theory revolutionized our understanding of life. Who is credited with the development of cell theory?

• Charles Darwin

• Louis Pasteur

• Gregor Mendel

• Robert Hooke

Which principle of cell theory states that all living organisms are made up of cells?

• The cell is the basic unit of life.

• All cells are created by pre-existing cells.

• Cells are the most basic unit of structure and function.

• All of the above.

1. True or False: According to cell theory, new cells can arise spontaneously from non-living matter.

• True

• False

Who observed the first cells under a microscope and coined the term "cell"?

• Anton van Leeuwenhoek

• Robert Hooke

• James Watson

• Francis Crick

Which principle of cell theory explains that cells can only arise from pre-existing cells?

• The cell is the basic unit of life.

• All living organisms are composed of cells. n.

• All cells are created by pre-existing cells.

• Cells are the most basic unit of structure and function.

Which of the following is an example of a multicellular organism?

• Bacteria

• Amoeba

• Human

• Paramecium

1. True or False: All cells have a nucleus.

• True

• False

Which of the following is NOT a structure found in a typical eukaryotic cell?

• Cell membrane

• Cytoplasm

• Ribosome

• Cell wall

The process by which cells divide to form new cells is called:

• Mitosis

• Meiosis

• Photosynthesis

• Respiration