Froggy Jumps Krebs Cycle Quiz ChallengeOnline version Test your knowledge on the Krebs Cycle with this fun quiz game! by Anandhi Aravindan 1 What is the primary function of the Krebs Cycle? a To synthesize proteins. b To produce glucose from fatty acids. c To generate energy through the oxidation of acetyl-CoA. 2 Which molecule enters the Krebs Cycle? a Pyruvate. b Glucose. c Acetyl-CoA. 3 What is produced during one turn of the Krebs Cycle? a 1 NADH, 2 FADH2, and 3 ATP. b 3 NADH, 1 FADH2, and 1 ATP. c 2 NADH, 2 FADH2, and 2 ATP. 4 Which enzyme catalyzes the conversion of citrate to isocitrate? a Aconitase. b Citrate synthase. c Succinate dehydrogenase. 5 What is the end product of the Krebs Cycle? a Acetyl-CoA. b Oxaloacetate. c Citrate. 6 Which gas is released as a byproduct of the Krebs Cycle? a Oxygen (O2). b Nitrogen (N2). c Carbon dioxide (CO2). 7 How many times does the Krebs Cycle turn per glucose molecule? a One time. b Three times. c Two times. 8 Which vitamin is a precursor for NAD+ used in the Krebs Cycle? a Vitamin B1 (Thiamine). b Vitamin B3 (Niacin). c Vitamin B2 (Riboflavin). 9 What is the role of FAD in the Krebs Cycle? a To accept electrons and become FADH2. b To produce ATP directly. c To convert citrate to isocitrate. 10 Which compound is formed when acetyl-CoA combines with oxaloacetate? a Alpha-ketoglutarate. b Isocitrate. c Citrate.
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