Cell Theory

What did Robert Hooke observe when he looked at a piece of cork under a light microscope?

• Organs
• Tissues
• Cells
• Organ systems

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Which of the following is an example of a specialized cell?

• Muscle cell
• Skin cell
• Liver cell
• All of the above

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What is the role of organ systems in the functioning of an organism?

• Organ systems work together to form the entire organism
• Organ systems only perform individual tasks
• Organ systems are not important for the functioning of an organism
• Organ systems work independently of each other

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What is the difference between a light microscope and an electron microscope?

• A light microscope and an electron microscope are the same
• A light microscope uses electrons to magnify objects, while an electron microscope uses light
• A light microscope can see smaller structures than an electron microscope
• A light microscope uses light to magnify objects, while an electron microscope uses electrons

What is the importance of the cell theory in biology?

• The cell theory provides a framework for understanding living organisms
• The cell theory explains the function of cells
• The cell theory explains the structure of cells
• The cell theory is not important in biology

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NGSS.MS-LS1-1

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Which of the following is NOT a characteristic of cells?

• They can perform specific functions
• They can differ in shape and size
• They are made up of tissues
• They are the basic units of an organism

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NGSS.MS-LS1-1

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What is the level of organization in which two or more specialized tissues work together?

• Organ system
• Tissue
• Organ
• Cell

What did Rudolf Virchow develop after using microscopes better than Robert Hooke's?

• The cell theory
• The theory of evolution
• The electron microscope
• The light microscope

What is the smallest structural and functional unit of a living thing?

• Organ
• Cell
• Organ system
• Tissue

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NGSS.MS-LS1-1

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What is the level of organization in which specialized cells join together and are organized?

• Organ system
• Tissue
• Organ
• Cell