Cells (Flashcards)

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The scientific theory of cells, also known as "The Cell Theory," describes how:
1) Cells come from pre-existing cells
2) Cells are the basic unit of life (structure and function)
3) All living things are made of cells
Is this statement true or false?

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True

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Front

Continuous investigations by Hooke, Leuwenhoek, Schleiden, Schwann and Virchow and new scientific information, gathered from the Invention of the microscope, influenced the development of the cell theory.

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True

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Front

When developing "The Cell Theory" scientific claims were evaluated through scientific argumentation, critical and logical thinking, and consideration of alternative explanations.

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True

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A scientific theory is something that answers "why or "how" and it has been tested repeatedly and has "so far always been true. A law is a mathematical statement that tells "how" something happens.

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True

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Front

Which statement describes a component of the original cell theory that was removed because of new scientific knowledge?

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Cells form through spontaneous generation.

Answer explanation

It was once believed that cells could form on their own. We now know that cells must form from preexisting cells.

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Which invention from the 17th century allowed for the development of modern cell theory?

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the light microscope

Answer explanation

The light microscope allowed scientists to view actual cells for the first time. Hooke named cells after seeing little chambers that looked like cell in a monk monetary, similar to dorms.

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According to the Cell Theory, what can you conclude about a plant and an animal, both being living things?

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They are both made of one or more cells

Answer explanation

All living things are made of cells, they are they are the most basic unit of life.

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

• All cells contain a nucleus.
• All cells come from other living cells.
• All living organisms are made of one or more cells.
• Cells are the basic unit of structure and function of all living things.

Back

All cells contain a nucleus.

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Scientific law and a scientific theory are similar in that both

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represent a large amount of scientific investigation and evidence

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Why do doctors have confidence in their knowledge about how cells behave?

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Cell theory has been tested, refined, and observed to be true over hundreds of years.

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