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4 Ιαν 2024 · The Light-Dependent Reaction. Light energy is used to breakdown water in a reaction known as photolysis; this produces hydrogen ions, electrons, and oxygen in the thylakoid lumen. A proton gradient is formed as the photolysis of water results in a high concentration of hydrogen ions in the thylakoid lumen.
In the light-dependent reactions, which take place at the thylakoid membrane, chlorophyll absorbs energy from sunlight and then converts it into chemical energy with the use of water. The light-dependent reactions release oxygen as a byproduct as water is broken apart.
By virtue of their interfacial position in the lungs, the epithelial cells lining the airway are ideally situated to act as sensors of breathing-dependent changes in mechanical stress (such as airflow, stretching, and pressure).
17 Μαρ 2022 · The function of the respiratory system is to remove carbon dioxide from, and add oxygen to, venous blood flowing through the pulmonary circulation. The system accomplishes this by two interrelated processes: gas exchange and ventilation. We will discuss these two concepts in detail.
20 Ιουλ 2023 · The function of the pulmonary system is to extract oxygen from the environment and provide it for aerobic respiration at the cellular level. Oxygen is ultimately used to produce ATP, and carbon dioxide is breathed out with other metabolic byproducts.
17 Ιουλ 2023 · The pulmonary system exists on the most basic level to facilitate gas exchange from environmental air into the circulatory system.
The ‘ light-dependent reactions ’ harvest light energy and use that energy to transport electrons through an electron transport chain embedded in the thylakoid membrane. Chlorophyll is the primary photosynthetic pigment; hence, thylakoid membranes are deep green in color.
