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Understanding Cell Structure and Metabolic Processes in Biology

This review covers key concepts in cellular biology, including the functions of organelles such as lysosomes, which contain hydrolytic enzymes for intracellular digestion. It also explores energy-requiring processes, differentiating between autotrophs and heterotrophs, and details on the release of carbon dioxide during cellular respiration. The role of various cell junctions, the impact of hypotonic solutions on animal cells, and the significance of cyclic electron flow in photosynthesis are discussed. Gain a thorough understanding of these fundamental biological principles.

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Understanding Cell Structure and Metabolic Processes in Biology

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  1. Bio 112 Exam 2 Review

  2. What cell structure contains hydrolytic enzymes and functions in intracellular digestion? a) nucleus b) flagella c) smooth endoplasmic reticulum d) lysosome e)cytoskeleton

  3. Which process or processes below require the input of energy (ATP)? a) facilitative diffusion b) osmosis c) active transport d) Both a and b require ATP use e) a, b, and c all require ATP use.

  4. Is Lactic acid reduced or oxidized in the reaction shown? Oxidized

  5. Oxidized Loss of Hydrogen Gain of hydrogen Reduced

  6. NADH It lost hydrogen FMN It gained hydrogen

  7. What is the difference between autotrophs and heterotrophs? Autotrophs are capable of forming organic molecules from inorganic raw materials, while heterotrophs are not.

  8. Carbon dioxide is released during cellular respiration at which of the following points. • Glycolysis • Krebs cycle • Electron transport system • Both Glycolysis and Krebs cycle • Both Glycolysis and Electron transport system

  9. Which type of cell junction would function primarily as a means to stop the movement of materials in between adjacent cells? a) plasmodesmata b) gap junction c) desmosome d) tight junction

  10. An animal cell placed in a hypotonic solution will… a) lose water b) gain water

  11. Microtubules are an important structural component of… a) mitochondria b) smooth endoplasmic reticulum c) cilia d) chloroplasts e) two of the above

  12. Cyclic electron flow involves electrons from … a) photosystem I b) photosystem II c) both photosystem I and photosystem II

  13. NADPH is oxidized to NADP+ in the… a) light reactions b) Calvin cycle c) both light reactions and Calvin cycle d) in cellular respiration only e) in cellular respiration and the light reactions

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