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Introduction to Cell Biology

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Questions and Answers

Who was the first person to observe living cells?

Rudolph Virchow
Anton van Leeuwenhoek (correct)
Robert Hooke
Theodor Schwann

What statement best summarizes the cell theory?

All living things are composed of cells, the basic unit of life, and cells arise only from preexisting cells. (correct)
Cells are only found in plants and animals, not in microorganisms.
Cells can exist independently without being part of a larger organism.
All living things are composed of cells and cells arise from spontaneous generation.

What did Robert Hooke observe to coin the term 'cells'?

Blood under a microscope
Mitochondria in muscle cells
Cork slices (correct)
Bacteria in pond water

Which scientist contributed the idea that all animals are made of cells?

<p>Theodor Schwann (A)</p> Signup and view all the answers

Which of the following statements is incorrect regarding cell reproduction?

<p>Cells can spontaneously generate under specific conditions. (D)</p> Signup and view all the answers

Who discovered the nucleus?

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Flashcards

What are cells?

The basic building blocks of all living things, discovered by Robert Hooke in 1665.

Who was Robert Hooke?

Robert Hooke coined the term "cells" after observing thin slices of cork under a microscope.

Who was Anton van Leeuwenhoek?

Anton van Leeuwenhoek was the first person to observe living cells, such as those found in pond water, using a microscope.

Who was Theodor Schwann?

Theodor Schwann concluded that animals are also made up of cells, further solidifying the cell theory.

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What is the cell theory?

This theory states that all living things are composed of cells, cells are the basic unit of life, and new cells arise from pre-existing cells.

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Study Notes

Robert Hooke and Cells

Robert Hooke observed cork and coined the term "cells."

Anton van Leeuwenhoek and Cells

Anton van Leeuwenhoek was the first to observe living cells using a microscope.
He observed cells in pond water.

Cell Theory

The cell theory states all living things are composed of cells.
Cells are the basic unit of life.
Cells only arise from pre-existing cells.
Rudolph Virchow contributed to the cell theory.

Theodor Schwann and Cells

Theodor Schwann determined that animals are made of cells.

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