Froggy Jumps Krebs Cycle Quiz ChallengeOnline version Test your knowledge of the Krebs Cycle with these fun quiz questions! by aqidah 1 Where does the Krebs cycle occur? a Matrix of mitochondria b Cytosol c Inner membrane of mitochondria 2 Which molecule enters the Krebs Cycle? a Acetyl-CoA. b Glucose. c Pyruvate. 3 What is produced during one turn of the Krebs Cycle? a 1 NADH, 1 FADH2, and 3 ATP. b 2 NADH, 2 FADH2, and 2 ATP. c 3 NADH, 1 FADH2, and 1 ATP. 4 Which gas is released as a byproduct of the Krebs Cycle? a Oxygen (O2). b Nitrogen (N2). c Carbon dioxide (CO2). 5 Name the compound produced when succinyl CoA undergoes substrate level phosphorylation a succinate b malate c fumarate 6 Name the process when isocitrate converts to alpha-ketoglutarate a isomerasation b substrate level phosphorylation c oxidative decarboxylation 7 What is the starting molecule for the Krebs Cycle? a Citrate. b Isocitrate c Fumarate. 8 What is the function of NADH a As electron carrier to electron transport chain b As oxidising agent c As phosphate donor 9 What is the final product of the Krebs Cycle that is regenerated? a Citrate. b Acetyl-CoA. c Oxaloacetate. 10 Which compound is formed when acetyl-CoA combines with oxaloacetate? a Malate. b Fumarate. c Citrate.
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