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- 1. Open EndedWhich organelle carries out protein synthesis? a. ribosome b. nucleus c. mitochondria d. smooth ER
- 2. Open EndedWhich is not part of the endomembrane system? a. mitochondria b. Golgi apparatus c. plasma membrane d. nuclear envelope
- 3. Open EndedWhich is not a major function of membrane potential? a. transport b. signal transduction c. protein synthesis d. intercellular joining
- 4. Open EndedWhen a solution concentration is the same as inside the cell, the solution is: a. isotonic b. hypertonic c. hydrophilic d. hypotonic
- 5. Open EndedMetabolism is the sum of all chemical reactions in an organism. a. true b. false
- 6. Open EndedThe reactant that an enzyme acts on is called a: a. cofactor b. competitive inhibitor c. noncompetitive inhibitor d. substrate
- 7. Open EndedIn a redox reaction, the substrate that is gaining the electron is the: a. reducing agent b. oxidizing agent c. NADH d. FADH
- 8. Open EndedHow much ATP is produced by the electron transport chain? a. 2 b. 8 c. 32 d. 36
- 9. Open EndedAutotrophs have to consume things from other animals in order to sustain themselves. a. true b. false
- 10. Open EndedWhy do plants appear green? a. they just do b. that is the color of the cell wall c. the chlorophyll absorbs light but reflects green d. the plant is transparent and the water becomes green when it goes into the plant
- 11. Open EndedWhich are the three important parameters of a microscope? a. magnification, resolution and contrast b. resolution, light and magnification c. radiation, contrast and magnification
- 12. Open EndedIn prokaryotic cells, the DNA is concentrated in the nuclei, a region that is bounded by a membrane. a. true b. false
- 13. Open EndedWhich of the following molecules are non-polar? a. carbon dioxide and hydrogen sulfide b. hydrogen sulfide and ammonia c. carbon dioxide and oxygen d. oxygen and water
- 14. Open EndedWhich fact is NOT true for ATP? a. contains the sugar ribose b. is one of the nucleoside triphosphate used to make RNA c. the bonds between the phosphate groups of ATP cannot be broken
- 15. Open EndedWhich of the following can cause an enzyme to change its shape? a, competitive inhibitor b. active site c. noncompetitive inhibitor
- 16. Open EndedWhat are two common types of fermentation? a. alcohol and solid state b. alcohol and lactic acid c. lactic acid and solid state d. none of the above
- 17. Open EndedIn what part of the plant cell does CO₂ enter? a. stomata b. stroma c. both d. neither
- 18. Open EndedWhich a molecule is oxidized, it loses electrons. It may also have an addition of oxygen and removal of hydrogen. a. true b. false
- 19. Open EndedThe Calvin Cycle takes place in the thylakoids. a. true b. false, it takes place in the stroma c. false, it takes place in the mitochondria d. none of the above are true
- 20. Open EndedWhich organelles are found in both plant and animal cells? a. Golgi, smooth ER and mitochondria b. cell wall, nuclear envelope and central vacuole c. chloroplasts, plasma membrane and rough ER d. flagellum, plasmodesmata and nucleus
- 21. Open EndedWhat is the term for when a solute concentration is the same as inside of the cell? a. hypertonic b. isotonic c. hypotonic d. equitonic
- 22. Open EndedWhich of the following is an active transport process? a. channel proteins b. diffusion c. osmosis d. sodium-potassium pump
- 23. Open EndedWhich terms go together? a. exergonic and anabolic b. endergonic and anabolic c. exergonic and catabolic d. both b and c
- 24. Open EndedWhich of the following can affect the activity of an enzyme? a. pH b. temperature c. amount of solute d. both a and b
- 25. Open EndedIn cellular respiration, which fuel (gram for gram) would give us the most energy? a. protein b. carbohydrates c. fats d. lipids
- 26. Open EndedWhere does the electron transport chain (ETC) occur? a. inter membrane space of mitochondria b. cytosol c. inner membrane (cristae) of the mitochondria d. mitochondrial matrix
- 27. Open EndedWhat is NOT true about photosynthesis? a. reversed electron flow from cellular respiration b. H₂O is oxidized c. CO₂ is reduced d. the process is exergonic
- 28. Open EndedWhere does the Calvin Cycle take place? a. thylakoids b. stroma c. stomata d. outer membrane
- 29. Open EndedEnergy that associated with random movement of atoms and molecules. a. kinetic b. heat c. potential d. thermal
- 30. Fill in the BlankAnimal cells have all of the following intercellular junctions except __________. a. tight b. plasmodesmata c. gap d. desmosomes
- 31. Open EndedWhich is a function of exocytosis? a. export products b. phagocytosis c. pinocytosis d. import products
- 32. Open EndedWhich is NOT a stage of cellular respiration? a. glycolysis b. fermentation c. citric acid cycle d. oxidative phosphorylation
- 33. Open EndedWhat is the major function of the rough ER? a. distributes transport vesicles b. detoxifies drugs and poisons c. synthesizes lipids d. metabolizes carbohydrates
- 34. Open EndedPores that ions, sugars, etc. can pass through a. nucleus b. gap junctions c. tight junctions d. dehydrated
- 35. Open EndedProtective layer in some cells that protect cells and help maintain shape? a. cell wall b. nucleus c. nucleolus d. cytoplasm
- 36. Open EndedThe spontaneous movement of molecules across a membrane with the help of specific transmembrane proteins is: a. facilitated diffusion b. diffusion c. active transport d. pumps
- 37. Fill in the BlankEnergy available in molecules for release in a chemical reaction is called ___________ energy. a. solar b. kinetic c. potential d. chemical
- 38. Open EndedWhat is the reactant on which an enzyme works? a. catalyst b. coenzyme c. energy d. substrate
- 39. Open EndedWhat is the chemical reaction that breaks down glucose to produce ATP? a. NAD b. reduction c. citric acid cycle d. calvin cycle
- 40. Open EndedWhich is a chemical reaction involving the transfer of one or more electrons from one reactant to another? a. redox b. reduction c. oxidation d. sharing
- 41. Open EndedWhich of these is an organism that makes its own food a. stromatroph b. heterotroph c. autotroph d. isotroph
- 42. Open EndedWhere is the site of cellular respiration? a. chloroplasts b. chlorophyll c. mitochondria d. peroxisomes
- 43. Open EndedWhich is NOT a function of microtubules? a. shape and support b. motility c. guild movement of organelles d. separates chromosomes during cell division
- 44. Fill in the BlankA plant cell in a hypotonic solution swells until the wall opposes the uptake. The cell is now __________. a. flaccid b. turgid c. lysed d. plasmolyzed
- 45. Fill in the BlankEnergy that matter possesses because of the location or structure is called __________ energy. a. kinetic b. thermal c. potential
- 46. Open EndedWhat type of microscope is used to see most plant and animal cells? a. transmission electron b. light c. electron d. scanning electron
- 47. Open EndedWhich organelle would be found in both plant and animal cells? a. cell wall b. lysosome c. mitochondria d. chloroplasts
- 48. Open EndedIf a cell is lysed, it must be in what type of solution? a. tonicity b. hypertonic c. hypotonic d. isotonic
- 49. Open EndedWhat is the correct order of cell signaling? a. reception, transduction, response b. response, reception, transduction c. reception, response, transduction
- 50. Open EndedWhat is energy? a. potential energy available for release by chemicals b. relative motion of objects c. the capacity to cause change d. amount of energy an object possesses because of its position
- 51. Open EndedEnergy can be transferred and transformed, but it cannot be destroyed. Which law of energy does this describe? a. 1st law of thermodynamics b. 2nd law of thermodynamics c. spontaneous d. free energy
- 52. Open EndedThe most effective catabolic pathway for ATP production is: a. oxidation b. anaerobic respiration c. aerobic respiration d. fermentation
- 53. Open EndedWhich type of fermentation produces ethanol? a. lactic acid b. alcohol c. aerobic d. both a and b
- 54. Fill in the BlankThe ___________ in chloroplasts collect light energy. a. photons b. chlorophylls c. plastids d. spectrophylls
- 55. Open EndedWhat is the major difference between prokaryotic and eukaryotic cells? a. prokaryotic cells are larger b. location of DNA c. eukaryotic cells evolved first
- 56. Fill in the BlankThe nuclear envelope is a __________ membrane. a. double b. single c. triple
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