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NAME __________________________ Chapter 9- CELLULAR RESPIRATION TEST MULTIPLE CHOICE: Write the letter of the answer that best completes the statement on the blank to the left of the question. If NO OXYGEN is available, where will these 2 pyruvic acid molecules go next? A. electron transport chain B. fermentation C. Krebs cycle D. photosynthesis If OXYGEN is available, where will these 2 pyruvic acid molecules go next? A. lactic acid fermentation B. alcoholic fermentation C. the Krebs cycle D. electron transport chain Because cellular respiration requires oxygen it is said to be _________________ A. aerobic B. anaerobic What happens to the NADH and FADH2 molecules produced during glycolysis and Krebs cycle? A. Their electrons enter the Electron Transport Chain B. They join with pyruvic acid to make lactic acid C. They accept carbons from glucose to make alcohol Which gas is taken in and used in cellular respiration? A. carbon dioxide B. oxygen Which gas is released during cellular respiration? A, carbon dioxide B. oxygen Which of the following shows the correct sequence during cellular respiration? A. Electron transport chain → glycolysis → Krebs cycle B. Glycolysis → Electron transport chain → Krebs cycle C. Krebs cycle → Electron transport chain → glycolysis D. Glycolysis → Krebs cycle → Electron transport chain How many total ATP molecules are produced by 1 molecule of glucose completing cellular respiration ? 2 6 24 36 How many CO2 molecules are produced from 1 molecule of glucose completing cellular respiration?’ 2 6 24 36 Which stage of cellular respiration produces the most ATP? A. glycolysis B. Krebs cycle C. Electron transport What molecule is produced at the end of the Electron transport chain when oxygen receives the electrons and hydrogens from NADH and FADH2? A. oxygen B. carbon dioxide C. glucose D. water Where do A. B. C. the carbons from glucose end up following cellular respiration? enter the electron transport and end up as water enter fermentation and become alcohol exit to the atmosphere as CO2 gas Name the A. B. C. 3 carbon molecule produced when glucose is broken in half during glycolysis. pyruvic acid lactic acid citric acid Since fermentation does not require oxygen it is said to be __________________. A. aerobic B. anaerobic What do Calories measure? A. temperature B. amount of alcohol C. energy stored in food D. pH Which gas is given off during ALCOHOLIC fermentation that makes bread dough rise? A. CO2 B. O2 C. methane D. ozone Which produces the most ATP from 1 glucose? A. fermentation B. cellular respiration What do we call organisms that can make their own food ? A. autotrophs B. heterotrophs Which cell organelles are used for cellular respiration? A. Golgi bodies B. chloroplasts C. lysosomes D. mitochondria Which of these organisms performs cellular respiration? Name the A. B. C. D. A. only plants B. only animals C. both plants and animals molecule that animal cells use to store glucose for later? starch glycogen phospholipids glycoproteins When cells run low on glucose during exercise which two molecules will they burn next? A. proteins and phospholipids B. glycogen and fat C. starch and pyruvic acid What are A. B. C. D. the products of cellular respiration? carbon dioxide, water , & energy glucose and oxygen & energy water and glucose lactic acid and ATP What is the job of ATP synthase? A. add electrons to NADH B. join ADP + P to make ATP C. break glucose in half Fermentation is _________________ A. aerobic B. anaerobic * * * * * * * * * * * * * * * MATCH THE PATHWAY TO WHAT HAPPENS _______ Energy from FADH2 and NADH is used to make ATP A. ELECTRON TRANSPORT _______ Glucose is split into 2 pyruvic acid molecules B. KREBS CYCLE _______ Pyruvic acid is broken down and NADH and FADH 2 are made C. GLYCOLYSIS * * * * * * * * * * * * * * * USE WORDS FROM THE WORD BANK BELOW TO COMPLETE THE DIAGRAM KREBS CYCLE * * * GLYCOLYSIS * * * ELECTRON TRANSPORT CHAIN * * * * * MATCH THE LETTER IN THE DIAGRAM WITH THE LABEL: ______ MATRIX ______ INTERMEMBRANE SPACE ______ CYTOPLASM ______ OUTER MEMBRANE ______ CRISTAE FERMENTATION * * * * MATCH THE LETTER IN THE DIAGRAM WITH THE LABEL: (You can use them MORE THAN ONCE or NOT AT ALL) ______ Place where glycolysis happens ______ Place where the enzymes for Electron Transport Chain are located ______ Place where Krebs cycle happens * * * * * * * * * * * * * * * * * * * Tell the kind of fermentation used in each example: Put an A on the blank for ALCOHOLIC and an L on the blank for LACTIC ACID _______ Yeast uses this to make bread dough rise _______ Your muscle cells use this during rapid exercise when oxygen is low _______ Bacteria and yeast use this to make beer and wine ________ Bacteria use this to make cheese, yogurt, and sour cream * * * * * * * * * * * Use WORDS from the WORD BANK and ADD NUMBERS to complete the equation for cellular respiration. CO2 H 2O _____________ + ____________ * * * * * O2 → * C6H12O6 energy _____________ + _____________ + ______________ * * * * * * * * * BONUS QUESTIONS: If alcoholic fermentation is used to make bread dough rise, how come you don’t become intoxicated when you eat the bread? _____________________________________________________________________ What is another name for pyruvic acid? _________________________