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Biology Jeopardy Ch 3 Review zapWhoa!!YikesMisc.What?ouch 111111 222222 333333 444444 555555
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To function most efficiently, a cell must be Small in size. Why? 2
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As cell size increases, the surface-area-to-volume ratio decreases. 3
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The size to which a cell can grow is limited by its surface area. 4
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Surface area is an important factor in limiting cell growth because the cell may become too large to take in enough food and to remove enough wastes. 5
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When the volume of a cell increases, its surface area increases at a slower rate. 6
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The smallest units of life are cells 7
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A microscope with a 4x objective lens and a 20x ocular lens produces a total magnification of 80x 8
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Fuzzy images viewed with a microscope may be due to poor resolution. 9
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A cell that requires a lot of energy might contain large numbers of mitochondria. 10
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The image produced by a microscope is called a micrograph. 11
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The metric system of measurement is based on powers of 10. 12
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Only eukaryotic cells have membrane-bound organelles. 13
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A structure within a eukaryotic cell that performs a specific function is called a(n) organelle. 14
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The packaging and distribution center of the cell is the Golgi apparatus. 15
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In a cell, proteins are made on the ribosomes. 16
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Plant cells have a large membrane-bound space in which water, waste products, and nutrients can be stored. This space is called the vacuole. 17
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This term refers to: surrounds cell membrane and provides support cell wall 18
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The double membrane surrounding the nucleus is called the nuclear envelope. 19
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Phospholipids are molecules that channel proteins. 20
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Which type of molecule forms a lipid bilayer within a cell membrane? phospholipid 21
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This term refers to: single celled organisms that lacks a nucleus and other internal components prokaryote 22
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system of internal membranes that move proteins and other substances throughout the cell endoplasmic reticulum 23
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in plants, organelles that use light to make organic compounds chloroplasts 24
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Smooth ER lacks ribosomes 25
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True of false: Chloroplasts have DNA that is different from nuclear DNA. true 26
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True of false: As a cell gets larger, its surface-area-to- volume ratio decreases. true 27
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True of false: A phospholipid is a lipid made of a phosphate group and two fatty acids. true 28
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True of false: Ribosomes are the sites of ATP production. false 29
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True of false: Most of a cell’s ATP is produced in the cell’s mitochondria. true 30
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True of false: Mitochondria contain DNA. true 31
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