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Science Unit 2 7th g

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
How is an organism's cell like a factory?   show
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The movement of particles from areas of high concentration to areas of low concentration is called?   show
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The fluids that surround and fill a cell are made mostly of?   show
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show Molecules  
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The diffusion of water through a semipermeable membrane is called?   show
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What is the result of osmosis?   show
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show Osmosis  
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show The red blood cell would shrivel up.  
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Describe the effect of osmosis on a wilted plant that has been watered.   show
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show Passive transport  
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Passageways in a cell membrane   show
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The movement of particles from an area of low to and area of high concentration across a cell membrane   show
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Two examples of passive transport   show
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A cell needs this to transport particles by active transport   show
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The channels in a cell membrane are made up of?   show
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A large particle can enter a cell using a process called?   show
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show The cell surrounds a large particle and brings it inside itself. Then,the membrane pinches off into a vesicles and brings the particle in.  
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A large particle can leave a cell using a process called?   show
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What happens during exocytosis?   show
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What is your body telling you when you feel hungry?   show
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show The sun  
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show Food  
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Where does almost all of the energy that fuels life come from?   show
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show Photosynthesis  
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show Pigments  
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show Chlorophyll  
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What is glucose?   show
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Explain why glucose is important to a plant cell.   show
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show Oxygen and glucose  
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show Cellular respiration  
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show Fermentation  
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Why is breathing important to many organisms?   show
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What happens during cellular respiration?   show
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What does your body do with the energy released during cellular respiration?   show
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ATP supplies what that fuels cell activities?   show
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show Mitochondria  
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During photosynthesis, plant cells take in carbon dioxide and release oxygen. How is this different form cellular respiration?   show
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Why do you get a burning sensation in your muscles during strenuous exercise?   show
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show It occurs in yeasts and fungi.  
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How does the process of fermentation help bread rise?   show
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show Cellular respiration  
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What is the breakdown of food without using oxygen?   show
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show Yeast  
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show The sun's energy  
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What is released during photosynthesis.   show
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What is released by cells during cellular respiration?   show
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Why is it important for your body to produce millions of new cells?   show
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When does the cell cycle begin?   show
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show When the cell divides and makes new cells  
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What must a cell do before it can divide to make a new cell?   show
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What makes sure that each new cell will be a n exact copy of its parent cell?   show
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A cell without a nucleus is what kind of cell?   show
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show Euckaryotic  
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A chromosome is the main ring of a DNA in what kind of cell?   show
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show Eukaryotic  
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Are bacteria prokaryotic or eukaryotic cells?   show
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show Binary fission  
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When binary fission is complete, the results are two cells that each one copy of what?   show
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show DNA  
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show 46, 8, 48  
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show Homologous chromosomes  
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What do pairs of homologous chromosomes have in common?   show
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show Its organelles and chromosomes.  
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show Chromatids  
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show Mitosis  
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show The centromere  
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show The cell grows and copies its organelles and chromosomes.  
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In the second stage?   show
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show The cell splits into two new cells.  
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show The chromosomes  
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show The membrane pinches in and in until it pinches all the way through the cell.  
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