Active & Transive Import
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What happens when a cell is placed in a hypotonic solution? | water will move into the cell, causing the cell to swell and maybe even burst.
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| What happens when a cell is placed in a hypertonic solution? | water will leave the cell, causing the cells to shrink and shrivel.
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| What’s the main difference between active and passive transport? | In passive transport the molecules move down the cell's concentration gradient, but in active transport the molecules move against the cell's concentration gradient.
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| List an example of active transport. | Nerve Cells
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| List the types of passive transport. | diffusion, ion channels and solutions .
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| What is diffusion? | Movement of molecules from an area of high concentration to an area of low concentration; requires no energy.
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| Explain the results of a sodium-potassium pump working across a membrane. | It moves sodium Ions to the outside of the cell
and potassium Ions to the inside.
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| Does facilitated transport move a substance down or up a gradient? | Down
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| What is the energy-capturing stage of photosynthesis? | Chlorophyll
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| What are the products of the light reactions? | It captures light & produces food
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| What are the ATP and NADPH from the light reactions used for? | to fix carbon dioxide into sugar
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| Where does the oxygen released by photosynthesis come from? | From the carbon dioxide and water with the energy from the sun
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| What happens to the glucose produced from photosynthesis? | it can be formed into long chains as cellulose or or a structural carbohydrate as starch.It can also be used as the backbone of fatty acids, or amino acids
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| Describe the structures of the chloroplast where photosynthesis takes place. | It has an outer membrane which surrounds the chloroplast and an inner membrane which forms flatten sacs called thylakoids.
As a result their are 2 separate spaces inside the chloroplast. The interior space that surrounds the thylakoids is filled with a f
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| What is the significance of the electron transport chain? | It transfers electrons
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| What are the reactants required for photosynthesis? | Carbon dioxide and Water
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| What are the products of photosynthesis? | Glucose and Oxygen
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| What are the products of alcoholic fermentation? | Ethyl Alcohol and Carbon Dioxide
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| What is the metabolic process where glucose is ultimately converted to two molecules of pyruvate? | glycolysis
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| Why do your muscles get sore after vigorous exercise? | The buildup of lactate
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| What is the purpose of fermentation? | to allow organisms to obtain the 2 net
ATP molecules per glucose from glycolysis.
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| Where does the citric acid cycle take place? | Within the mitochondria
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| Write the chemical reaction for the overall process of cellular respiration. | C6H12O6 + 6O2 6CO2 + 6H2O
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| Which is more efficient, aerobic or anaerobic cellular respiration? | Aerobic Cellular Respiration
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| What are the important electron-accepting enzymes in cellular respiration? | ATP
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| What is chemiosmosis? | the diffusion of ions across the membrane
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