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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
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
answers 1 14 15
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
biology warm up 1 16 17
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
answers 1 16 17
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
biology warm up 1 18 1 22
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
answers 1 18 1 22
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
biology warm up 1 23 24
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
answers 1 23 24
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
biology warm up 1 25 1 28
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
answers 1 25 1 28
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
biology warm up 1 29 30
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
answers 1 29 30
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
biology warm up 1 31 2 1
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
answers 1 31 2 1
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