Factors for oxygen absorption You are seeing this question but you aren't going to answer it right now. You are first presented with the question and then we will walk you through the problem solving process. You'll be able to answer the question at the end.
Electron Transport Chain
The electron transport chain, also known as the electron transport system, is a group of proteins that transfer electrons through a membrane within mitochondria to create a gradient of protons that drives adenosine triphosphate (ATP)synthesis. The cell uses ATP as an energy source for metabolic processes and cellular functions. ETC involves series of reactions that convert redox energy from NADH (nicotinamide adenine dinucleotide (NAD) + hydrogen (H)) and FADH2(flavin adenine dinucleotide (FAD)) oxidation into proton-motive force(PMF), which is then used to synthesize ATP through conformational changes in the ATP synthase complex, a process known as oxidative phosphorylation.
Metabolism
Picture a campfire. It keeps the body warm on a cold night and provides light. To ensure that the fire keeps burning, fuel needs to be added(pieces of wood in this case). When a small piece is added, the fire burns bright for a bit and then dies down unless more wood is added. But, if too many pieces are placed at a time, the fire escalates and burns for a longer time, without actually burning away all the pieces that have been added. Many of them, especially the larger chunks or damp pieces, remain unburnt.
Cellular Respiration
Cellular respiration is the cellular process involved in the generation of adenosine triphosphate (ATP) molecules from the organic nutritional source obtained from the diet. It is a universal process observed in all types of life forms. The glucose (chemical formula C6H12O6) molecules are the preferred raw material for cell respiration as it possesses a simple structure and is highly efficient in nature.
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Factors for oxygen absorption
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What change would increase the rate of oxygen diffusing from lung alveoli into the blood?
An increase in the hemoglobin concentration of the red blood cells
A decrease in the partial pressure of oxygen in the alveoli
An increase in the partial pressure of oxygen in the blood entering the lungs
An increase in the humidity of air in the lungs
Factors for oxygen absorption: Consider Possibilities
CONSIDER POSSIBILITIES: For each of the situations below, predict whether it would increase absorption or decrease absorption
of oxygen from the alveoli into the blood, or have little effect.
A decrease in the partial pressure of oxygen in the alveoli increase
An increase in the hemoglobin concentration of the red blood cells increase
An increase in the partial pressure of oxygen in the blood entering the lungs decrease
An increase in the humidity of air in the lungs increase
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