Section 4-1 Review The History of cell biology Critical Essay – Flashcards
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Cell
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Smallest unit that can perform all life processes
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Cell Theory
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Theory that states that all living things are made up of one or more cells, that cells are the basic units of organisms
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One early piece of evidence supporting the cell theory was the observation that
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Cells come from other cells
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The scientists who described cells as "many little boxes" was
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Robert Hooke
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Living and non livings are different in that only
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Living things are made of cells
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Microscopes were used to study cells beginning in the
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17th century
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The advantage of Van Leeuwenhoek's microscopes was that
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The lenses were ground very precisely.
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Which of the following was a major event in the history of cell biology
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Cloning Animals, Growing bone tissue for transplant, discovering of cell parts. All Of The Above
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A light microscope uses optical lenses to magnify object by
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Bending light rays
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State three parts of the cell theory
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All living things are composed of one or more cells
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Why did take 150 years for the cell theory to be developed alter microscope were invented
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Biologists began to organize information about cells into a unified understanding the three observation were combined to form a basic theory about the cellular nature of life
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Why did Hooke's cork cells appear to empty
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The cells were dead plants cells
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If you read that a new organisms had been discovered, what would you know about the organism without examining it in terms of cells
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You would know that is was made of cells and the cells reproduce to make more cells
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Approximately how many years elapsed between the time cells were discovered and the observation of cells parts in muscle cells
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192-200 years
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When was the third part of the cell theory added? What was the time interval between this event and the discovery of cells?
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1855.190 years
