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| Description: The second stage of aerobic respiration, acetyl–CoA formation and the Krebs cycle, occurs inside mitochondria. Left, an inner membrane divides a mitochondrion’s interior into two fluid-filled compartments. Right, the second stage of aerobic respiration takes place in the mitochondrion’s innermost compartment, or matrix.The second stage of aerobic respiration, acetyl–CoA formation and the Krebs cycle, occurs inside mitochondria. Left, an inner membrane divides a mitochondrion’s interior into two fluid-filled compartments. Right, the second stage of aerobic respiration takes place in the mitochondrion’s innermost compartment, or matrix. cytoplasm 2 pyruvate outer membrane innermembrane g r i “ ”mu-nmauwmunwnumwhwh 2 acetyl—CoA The breakdown of 2 pyruvate to 6 2 co2 yields 2 ATP and 10 reduced , , coenzymes (8 NADH, 2 FADH2). The , 8 NADH I -.- coenzymes will carry their cargo of 2 } electrons and hydrogen ions to the FADHz I 1 third stage of aerobic respiration. Picture Stats: Views: 43 Filesize: 170.91kB Height: 726 Width: 1739 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=49451 |