有氧呼吸 Aerobic respiration 有氧呼吸——指生活细胞在氧气的参与下,把某些有机物 质彻底氧化分解,放出CO2并形成水,同时释放能量的过 程。葡萄糖是植物细胞呼吸最常利用的物质,因此呼吸作 用的过程可简示如下 C HO+ 60== 6Co t 6H,o t Energy 12 ●糖酵解 glycolysis ●三羧酸循环,简称TAC环 tricarboxylic acid cycle ●电子传递及氧化磷酸化 electron transport and oxidative phosphorylation ★在有氧呼吸过程中,葡萄糖最终被氧化成C○2,O2则 被还原为H2O
有氧呼吸 Aerobic Respiration 有氧呼吸——指生活细胞在氧气的参与下，把某些有机物 质彻底氧化分解，放出CO2并形成水，同时释放能量的过 程。葡萄糖是植物细胞呼吸最常利用的物质，因此呼吸作 用的过程可简示如下： z 糖酵解 glycolysis glycolysis z 三羧酸循环，简称 三羧酸循环，简称TAC环 tricarboxylic tricarboxylic acid cycle z 电子传递及氧化磷酸化 电子传递及氧化磷酸化electron transport electron transport and oxidative and oxidative phosphorylation phosphorylation ★ 在有氧呼吸过程中，葡萄糖最终被氧化成CO2，O2则 被还原为H2O！
Aerobic Respiration C6H1206 602 H20 ATPs Glucose Oxygen Carbon Water Energy dioxide Represents a series of reactions in which h atoms and electrons are moved from molecule to molecule o These are energy transformation reactions o Original energy from food transferred via ht and electrons ● Energy ends up in ATP oHt and electrons end up in O, to form H,O
Aerobic Respiration zRepresents a series of reactions in which H atoms Represents a series of reactions in which H atoms and electrons are moved from molecule to molecule and electrons are moved from molecule to molecule zThese are energy transformation reactions These are energy transformation reactions zOriginal energy from food transferred via H Original energy from food transferred via H+ and electrons and electrons zEnergy ends up in ATP Energy ends up in ATP z H + and electrons end up in O and electrons end up in O2 to form H to form H2 O
Aerobic Respiration Oxidation [Glucose loses electrons (and hydrogens) cH1206+(60 c(6c0 6H20 Glucose Oxygen Carbon Water dioxide Reduction [Oxygen gains electrons (and hydrogens)
Aerobic Respiration
Cytosol Mitochondrion High-energy High-energy electrons electrons carried carried mainly by by NADh NADH Glycolysis 2 Krebs Electron Glucose- Pyruvic Cycle Transport acid .ATP ATP ATP
线粒体 Mitochondrion 线粒体通过氧化磷酸化合成ATP,为细胞生命活动提供直 接能量。因此,线粒体被称为细胞内的“能量工厂”。线粒 体约有140余种酶,分布在各个结构组分中 外膜 outer membrane Outer Membrane ●膜间隙 intermembrane Inner Membrane Folded into Crista space ●内膜 inner membrane 嵴 cristae ●基粒 elementary particle (如F1-F0ATP酶颗粒) The Matrox ●基质 matrix Intermembrane Space
线粒体 Mitochondrion 线粒体通过氧化磷酸化合成ATP，为细胞生命活动提供直 接能量。因此，线粒体被称为细胞内的“能量工厂”。线粒 体约有140余种酶，分布在各个结构组分中。 z 外膜 outer membrane outer membrane z 膜间隙 intermembrane intermembrane space z 内膜 inner membrane inner membrane z 嵴 cristae cristae z 基粒elementary particle elementary particle (如 F1-F0 ATP酶颗粒） z 基质 matrix