Answer:
Proximal convoluted tubule
Explanation:
The major work of re-absorption is carried out in nephron by the proximal convoluted tubule (PCT). The PCT re-absorbs all the essential nutrients such as amino acid, potassium, glucose etc. and water driven by passive transfer based on concentration gradient. Along with gradient, pH of the urine also affects the re-absorption. Based on the pH of the urine (basic or acid), re-absorption of ionized acid increases or decreases.
The term, hyperosmotic describes: an extracellular solution that has higher solute concentration than the fluid inside the cell; a solution inside the cell that has lower solute concentration than the fluid outside the cell.
Hyperosmotic Solution- A bigger difference between solutes and solutions across a membrane is referred to as being hyperosmotic, as well as solutions with higher osmotic pressure. In other contexts, the term "hyperosmotic" refers to a solution that contains more solutes (or solution constituents) than a comparable solution.
Solute Concentration- The quantity of solutes and particles dissolved in a solution is the definition of solute concentration. A solute's solubility refers to its capacity to dissolve in a solvent.
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Answer:
Nitrogen oxide air pollution has the following impacts:
- Nitrogen oxides are respiratory irritant.
- causes photochemical smog
- Acts as ozone precursor.
Explanation:
- Oxides of nitrogen, when inhaled causes severe damage to the lungs and destroy the lung tissues causing severe respiratory problems.
- Presence of oxides of nitrogen in atmosphere creates a brown haze over the sky and results in photochemical smog.
- oxides of Nitrogen undergo decomposition in presence of sunlight resulting in formation of ozone. thus, it is a ozone precurzor.
- Ozone is very harmful when present at ground level.
Answer:
Respiration is the process where oxygen is taken in and carbon dioxide is exhaled out and combustion means the burning of substances in the presence of oxygen