Bio 112 Exam 2 Review • What cell structure contains hydrolytic enzymes and functions in intracellular digestion? a) nucleus b) flagella c) smooth endoplasmic reticulum d) lysosome e)cytoskeleton • 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. Is Lactic acid reduced or oxidized in the reaction shown? Oxidized Oxidized Loss of Hydrogen Reduced Gain of hydrogen NADH FMN It lost hydrogen It gained hydrogen • What is the difference between autotrophs and heterotrophs? Autotrophs are capable of forming organic molecules from inorganic raw materials, while heterotrophs are not. • Carbon dioxide is released during cellular respiration at which of the following points. a) b) c) d) e) Glycolysis Krebs cycle Electron transport system Both Glycolysis and Krebs cycle Both Glycolysis and Electron transport system • 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 An animal cell placed in a hypotonic solution will… a) lose water b) gain water • Microtubules are an important structural component of… a) mitochondria b) smooth endoplasmic reticulum c) cilia d) chloroplasts e) two of the above Cyclic electron flow involves electrons from … a) photosystem I b) photosystem II c) both photosystem I and photosystem II 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