T2 L1- Structure and Function of Cells

What are cells?

• The basic unit of structure and function in living things

• Tiny jail cells

• A abbreviation for celery

• nucleus

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In the ​ (a)   scientists discovered that living organisms are made of cells.

• 1600s
• 1700s
• 1800s

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A cell must perform​ (a)   to stay alive.

• biological functions
• a dance
• nonliving functions
• inorganic functions

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What are biological functions?

• Obtaining knowledge, denying nutrients and water, and keeping waste

• Obtaining energy, bringing nutrients and water, and getting rid of waste.

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How did cells get their name?

• Robert Hooke though the empty spaces looked like a jail

• Robert Hooke thought the empty spaces looked like cells

• A random scientist thought that the cells looked like celery

In 1674 how did Dutch businessman Anton van Leeuwenhoek discover living cells through a microscope?

• He saw tiny organisms swimming and hopping around in a drop of pond water.

• He saw the tiny germs in a plate of food.

• He saw the tiny living cells by looking at a wall with his bare eyes.

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What were Schleiden and Schawnn credited with?

• They are credited with the germ theory

• They are credited with the big bang theory

• They are credited with the development of cell theory

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How did modern scientists learn about cells without performing experiments?

• Through observations of other scientists

• By using microscopes

Organize the two sections.

Groups:

(a) Three principals to the cell theory

,

(b) Two things all microscopes rely on

• cells are the basic units of structure and function in living things

• Magnification is required.

• All living things are made of cells

• Resolution must be used.

• All new cells are produced from existing cells

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Who named cells?