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29 Cards in this Set
- Front
- Back
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Palm trees and pandas have __________.
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eukaryotic cells
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One of the cell wall's functions is to __________.
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protect the cell
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Which of these involves the cell membrane?
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waste products leaving cells
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Energy is released into the cells by __________.
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mitochondria
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Which organelle moves materials around in a cell?
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endoplasmic reticulum
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Palm trees and pandas have __________.
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eukaryotic cells
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One of the cell wall's functions is to __________.
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protect the cell
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Which of these involves the cell membrane?
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waste products leaving cells
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Energy is released into the cells by __________.
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mitochondria
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Which organelle moves materials around in a cell?
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endoplasmic reticulum
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Your heart and blood vessels work together in your body. They form the __________.
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cardiovascular system
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__________ is a group of similar cells that work in unison to perform one function.
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A tissue
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The nucleus is usually the largest __________ in a cell.
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organelle
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The organelle that makes proteins is __________.
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ribosomes
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__________ stores water, food, and other cellular material.
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A vacuole
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A lysosome's membrane disintegrates when __________.
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a cell dies
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Which of these was a limitation of early compound microscopes?
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Images weren't always clearly visible because of how the lenses were made.
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A microscope with one lens is called a __________ microscope.
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simple
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__________ is the change in apparent size produced by a microscope.
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Magnification
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If a microscope has an eyepiece lens with a power of 25X and an objective lens with a power of 50X, what is the microscope's total magnification power?
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1250X
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To view extremely small organisms, which might you use?
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an electron microscope
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Which of these scientists was NOT involved in discoveries about cells?
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Carl Sagan
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Which of these statements is supported by the cell theory?
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Each cell in your body comes from a cell that has divided.
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Which of these is NOT caused by a virus?
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tuberculosis
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An active virus ultimately __________ the host cell.
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destroys
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A cold sore appears on your lip, then heals and goes away. The virus that caused the cold sore has become __________.
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latent
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Bacteriophages are viruses that infect __________.
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bacteria
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Which one of these is an example of a virus that can affect a range of hosts?
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the rabies virus
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Edward Jenner developed the first vaccine that treated which of these viral diseases?
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smallpox
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