During aerobic respiration, the complete oxidation of one molecule of glucose theoretically yields 38 ATP. However, the actual yield is often lower. Which of the following is NOT a significant contributor to this reduced ATP yield?
Incomplete oxidation of glucose in the cytoplasm
Leakage of protons across the inner mitochondrial membrane
Utilization of the proton gradient for processes other than ATP synthesis
Variations in the efficiency of the electron transport chain
Related Questions
Which 2-carbon molecule acts as the central hub for the oxidative metabolism of fats, carbohydrates, and proteins?
Glucose
Pyruvate
Acetyl CoA
Lactate
Decarboxylation is involved in
Electron transport system
Glycolysis
Krebs’ cycle
Lactic acid fermentation
The enzymes for TCA cycle are present in
Plastids
Golgi complex
Mitochondria
Endoplasmic reticulum
Net gain of ATP molecules per hexose during aerobic respiration is
12
18
36
30
Total ATP through one glucose existing in aerobic EMP pathway can be
2 ATP
7 ATP
12 ATP
32 ATP
Which of these are respiratory poisons or inhibitors of electron transport chain?
Cyanide, Carbon Monoxide, Rotenone
Nitrogen, Oxygen, Hydrogen
Potassium, Sodium, Chloride
Water, Glucose, Lipids
Pyruvate The above reaction needs two enzymes named as
Pyruvate decarboxylase and alcohol dehydrogenase
Pyruvate decarboxylase and enolase
Pyruvate decarboxylase and pyruvate kinase
Pyruvate carboxylase and aldolase
In the absence of sufficient , what process in cellular respiration would be directly impacted?
Oxidation reactions in glycolysis and the Krebs cycle
ATP hydrolysis
The formation of acetyl-CoA
The Calvin cycle
A scientist added a chemical (cyanide) to an animal cell to stop aerobic respiration. Which of the following is most likely to have been affected by this treatment?
Active transport of substances across the plasma membrane
Passive transport of substances across the plasma membrane
Diffusion of substances across the plasma membrane
The thickness of the plasma membrane
All enzymes of TCA cycle are located in the mitochondrial matrix except one, which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
Lactate Dehydrogenase
Isocitrate Dehydrogenase
Malate Dehydrogenase
Succinate Dehydrogenase
