Why insensitive thirst occurs if one tries to drink Sea Water? Subject: Chemistry A kidney cannot make urine from a concentration of salts of more than 2%. Seawater is made up of around 3% salt, so if we drink it to reduce our thirst the kidneys have to…
How can a Molecule of Hemoglobin (Hb) carry four molecules of Oxygen? Subject: Chemistry Hemoglobin (Hb) may be defined as a vital conjugated protein present inside the Red Blood Cells (RBC). It is the protein molecule in red blood cells that bear oxygen from the lungs to the body’s…
Chemical Structure of Hemoglobin (Hb) Subject: Chemistry Chemical Structure of Hemoglobin (Hb) Hemoglobin (Hb) may be defined as a vital conjugated protein present inside the Red Blood Cells (RBC). It is the protein molecule in red blood cells that bear oxygen from…
Hemoglobin (Hb) definition with it’s normal count and Functions Subject: Chemistry Hemoglobin (Hb) may be defined as a vital conjugated protein present inside the Red Blood Cells (RBC). It is the protein molecule in red blood cells that bear oxygen from the lungs to the body’s…
Sodium-Potassium Pump Subject: Chemistry The Sodium-Potassium Pump or Na+ – K+ pump The active transport mechanism that has been studied in greatest detail is the sodium-potassium pump. The process of moving sodium and potassium ions across the cell membrane…
Theory of Lundegard in Mineral Absorption Subject: Biology Theory of Lundegard in mineral absorption Lundegard’s theory is also called the cytochrome pump theory. According to this theory, cytochrome is the career. According to this theory ion absorption, in fact, takes place through the…
What is Bio-gas? Subject: Biology Bio-gas: Bio-gas is a colorless gas which can be made by the petrifaction of cow dung and other decaying substances. About 60-70% of bio-gas is methane. Thus this gas is used as fuel. Usually, this…
Define Enzyme Subject: Biology Enzyme: Enzyme is a protein which is composed of liquid and colorless substances which accelerate the chemical reactions and after the reaction, they remain unchanged. They are vital for life and serve a wide range of…
Describe Nucleic Acids in terms of in Biomacromolecules Subject: Biology The special type of macromolecule that one would find in the acid insoluble fraction of any living tissue is the nucleic acids. These are polynucleotides. Together with polysaccharides and polypeptides these comprise the true macromolecular…
Explain Polysaccharides in Biomacromolecules Subject: Biology The acid insoluble pellet has polysaccharides (carbohydrates) as another class of macromolecules. Polysaccharides are long chains of sugars. They are threads (literally a cotton thread) containing different monosaccharides as building blocks. For example cellulose is…