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Biology Warm Up 1/14-15

Biology Warm Up 1/14-15. What regulates the flow of water through a cell membrane? the concentration of solutes the absence of a cell wall the thickness of the membrane the presence of the cell wall. Cellular respiration is carried out by which of the following?

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Biology Warm Up 1/14-15

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  1. Biology Warm Up1/14-15 • What regulates the flow of water through a cell membrane? • the concentration of solutes • the absence of a cell wall • the thickness of the membrane • the presence of the cell wall • Cellular respiration is carried out by which of the following? • all living organisms all of the time • animals but not plants • animals all of the time, but plants only at night • heterotrophs but not autotrophs

  2. Answers1/14-15 • What regulates the flow of water through a cell membrane? • the concentration of solutes • the absence of a cell wall • the thickness of the membrane • the presence of the cell wall • Cellular respiration is carried out by which of the following? • all living organisms all of the time • animals but not plants • animals all of the time, but plants only at night • heterotrophs but not autotrophs

  3. Biology Warm Up1/16-17 • Which of the following is found only in eukaryotic cells? • cell membrane • cytoplasm • DNA • mitochondria • Why do most enzymes not function properly after being exposed to high temperatures? • they have been changed to carbohydrates • they contain less water • their bonding structure has changed • they have combined with another enzyme

  4. Answers1/16-17 • Which of the following is found only in eukaryotic cells? • cell membrane • cytoplasm • DNA • mitochondria • Why do most enzymes not function properly after being exposed to high temperatures? • they have been changed to carbohydrates • they contain less water • their bonding structure has changed • they have combined with another enzyme

  5. Biology Warm Up1/18, 1/22 • In the lungs, the movement of O2 and CO2 in and out of cells can best be explained by which process? • active transport • diffusion • endocytosis • osmosis • Which of the following processes releases the most ATP? • aerobic respiration • anaerobic respiration • chemosynthesis • photosynthesis

  6. Answers1/18, 1/22 • In the lungs, the movement of O2 and CO2 in and out of cells can best be explained by which process? • active transport • diffusion • endocytosis • osmosis • Which of the following processes releases the most ATP? • aerobic respiration • anaerobic respiration • chemosynthesis • photosynthesis

  7. Biology Warm Up1/23-24 • Which of the following is found in eukaryotic cells but not prokaryotic cells? • membrane-bound organelles • cytoplasm • cell membrane • genetic material • Which of the following statements concerning diffusion and active transport is correct? • both require energy • neither require energy • diffusion requires energy, active transport does not • active transport requires energy, diffusion does not

  8. Answers1/23-24 • Which of the following is found in eukaryotic cells but not prokaryotic cells? • membrane-bound organelles • cytoplasm • cell membrane • genetic material • Which of the following statements concerning diffusion and active transport is correct? • both require energy • neither require energy • diffusion requires energy, active transport does not • active transport requires energy, diffusion does not

  9. Biology Warm Up1/25, 1/28 • What would happen to a marine protozoan if removed from its normal habitat and placed into a freshwater pool? • loss of water through osmosis • loss of water through active transport • gain of water through osmosis • gain of water through active transport • At which organelle are proteins manufactured? • mitochondrion • nucleus • ribosomes • vacuole

  10. Answers1/25, 1/28 • What would happen to a marine protozoan if removed from its normal habitat and placed into a freshwater pool? • loss of water through osmosis • loss of water through active transport • gain of water through osmosis • gain of water through active transport • At which organelle are proteins manufactured? • mitochondrion • nucleus • ribosomes • vacuole

  11. Biology Warm Up1/29-30 • What is the function of a cell’s selectively permeable membrane? • to regulate energy production in the cell • to transport materials around the cell • to store waste material • to control materials entering and leaving the cell • What is the primary role of bacteria in the environment? • carbon-dioxide fixation • phosphorylation • promotion of decay • sulfurization

  12. Answers1/29-30 • What is the function of a cell’s selectively permeable membrane? • to regulate energy production in the cell • to transport materials around the cell • to store waste material • to control materials entering and leaving the cell • What is the primary role of bacteria in the environment? • carbon-dioxide fixation • phosphorylation • promotion of decay • sulfurization

  13. Biology Warm Up1/31, 2/1 • In general, what trophic level has the most energy available to it? • producer • secondary consumer • primary consumer • tertiary consumer • Producers are organisms that make their own food. How do these organisms produce their own food? • they fix nitrogen from the atmosphere • they consume other producers • they exchange RNA with other organisms • they convert sunlight into chemical energy

  14. Answers1/31, 2/1 • In general, what trophic level has the most energy available to it? • producer • secondary consumer • primary consumer • tertiary consumer • Producers are organisms that make their own food. How do these organisms produce their own food? • they fix nitrogen from the atmosphere • they consume other producers • they exchange RNA with other organisms • they convert sunlight into chemical energy

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