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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

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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


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