1. Biology Warm Up 1/14-15 1.What regulates the flow of water through a cell membrane? a.the concentration of solutes b.the absence of a cell wall c.the thickness of the membrane d.the presence of the cell wall 2.Cellular respiration is carried out by which of the following? a.all living organisms all of the time b.animals but not plants c.animals all of the time, but plants only at night d.heterotrophs but not autotrophs

5. Answers 1/14-15 1.What regulates the flow of water through a cell membrane? a.the concentration of solutes b.the absence of a cell wall c.the thickness of the membrane d.the presence of the cell wall 2.Cellular respiration is carried out by which of the following? a.all living organisms all of the time b.animals but not plants c.animals all of the time, but plants only at night d.heterotrophs but not autotrophs

6. Biology Warm Up 1/16-17 1.Which of the following is found only in eukaryotic cells? a.cell membrane b.cytoplasm c.DNA d.mitochondria 2.Why do most enzymes not function properly after being exposed to high temperatures? a.they have been changed to carbohydrates b.they contain less water c.their bonding structure has changed d.they have combined with another enzyme

7. Answers 1/16-17 1.Which of the following is found only in eukaryotic cells? a.cell membrane b.cytoplasm c.DNA d.mitochondria 2.Why do most enzymes not function properly after being exposed to high temperatures? a.they have been changed to carbohydrates b.they contain less water c.their bonding structure has changed d.they have combined with another enzyme

8. Biology Warm Up 1/18, 1/22 1.In the lungs, the movement of O 2 and CO 2 in and out of cells can best be explained by which process? a.active transport b.diffusion c.endocytosis d.osmosis 2.Which of the following processes releases the most ATP? a.aerobic respiration b.anaerobic respiration c.chemosynthesis d.photosynthesis

9. Answers 1/18, 1/22 1.In the lungs, the movement of O 2 and CO 2 in and out of cells can best be explained by which process? a.active transport b.diffusion c.endocytosis d.osmosis 2.Which of the following processes releases the most ATP? a.aerobic respiration b.anaerobic respiration c.chemosynthesis d.photosynthesis

10. Biology Warm Up 1/23-24 1.Which of the following is found in eukaryotic cells but not prokaryotic cells? a.membrane-bound organelles b.cytoplasm c.cell membrane d.genetic material 2.Which of the following statements concerning diffusion and active transport is correct? a.both require energy b.neither require energy c.diffusion requires energy, active transport does not d.active transport requires energy, diffusion does not

11. Answers 1/23-24 1.Which of the following is found in eukaryotic cells but not prokaryotic cells? a.membrane-bound organelles b.cytoplasm c.cell membrane d.genetic material 2.Which of the following statements concerning diffusion and active transport is correct? a.both require energy b.neither require energy c.diffusion requires energy, active transport does not d.active transport requires energy, diffusion does not

12. Biology Warm Up 1/25, 1/28 1.What would happen to a marine protozoan if removed from its normal habitat and placed into a freshwater pool? a.loss of water through osmosis b.loss of water through active transport c.gain of water through osmosis d.gain of water through active transport 2.At which organelle are proteins manufactured? a.mitochondrion b.nucleus c.ribosomes d.vacuole

13. Answers 1/25, 1/28 1.What would happen to a marine protozoan if removed from its normal habitat and placed into a freshwater pool? a.loss of water through osmosis b.loss of water through active transport c.gain of water through osmosis d.gain of water through active transport 2.At which organelle are proteins manufactured? a.mitochondrion b.nucleus c.ribosomes d.vacuole

14. Biology Warm Up 1/29-30 1.What is the function of a cell’s selectively permeable membrane? a.to regulate energy production in the cell b.to transport materials around the cell c.to store waste material d.to control materials entering and leaving the cell 2.What is the primary role of bacteria in the environment? a.carbon-dioxide fixation b.phosphorylation c.promotion of decay d.sulfurization

15. Answers 1/29-30 1.What is the function of a cell’s selectively permeable membrane? a.to regulate energy production in the cell b.to transport materials around the cell c.to store waste material d.to control materials entering and leaving the cell 2.What is the primary role of bacteria in the environment? a.carbon-dioxide fixation b.phosphorylation c.promotion of decay d.sulfurization

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

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