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Explain the Bohr's model?
Bohr's Model : Electrons move around the nucleus at tremendous speeds and occupy most of the space in an atom. The exact position or location of an electron at any given moment can only be predicted on the basis of probability. In a widely accepted model of the atom originally proposed by Neils Bohr, electrons move in spherical spaces called orbitals, or shells, which correspond to different energy levels. Electrons are distributed according to their energy levels, with the higher energy electrons residing in the outer shells. The innermost shell contains only 2 electrons. In common elements, the next outer shells contain 8 electrons each.
Atoms either gain, lose, or share electrons in the outer shells. Because the outer shells of many atoms are incomplete, most atoms will interact with other atoms during chemical reactions to achieve stable outer shells. The number of electrons that an atom must either gain, lose, or share to complete the outer shell is known as its valence, or oxidation number. For example, carbon has six electrons, two in its first energy level and four in the outer level. Thus, it can form a stable outer shell by gaining, losing, or sharing four electrons to complete its outer shell when it joins, or bonds, with another atom or atoms to form a compound. The following table lists the oxidation numbers of some important ions frequently used in Biology.
Name the most important allosteric effector of glycolysis in the liver. Fructose-2,6-bisphosphate is the most important allosteric effector of glycolysis in the liver
Compare changes in the carbon cycle to that of the nitrogen cycle on human health. Please make a conceptual graphical model for how changing the carbon cycle is likely to impact hu
This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele
Describe the process of Suture removal Sutures should be removed within 1-2 weeks of their placement, depending on the anatomic location. Prompt removal reduces the risk of sut
What is an example of an ion of biological importance? Sodium in one, but so are potassium and calcium
Q. What are respiratory pigments? What are some respiratory pigments and in which animal groups can each of them be found? Respiratory pigments are molecules present in the blo
Explain Other lipids in biological compound? Other Lipids : Another important type of lipids are the steroids, with a basic structure consisting of four interconnecting carb
Explain which is better to grow plants in Rock sand or soil? Ans) When we grew plants inside, with no wind, and the plants in the rocks grew superior to the plants that were gr
Some organisms contain enzymes that condense a fatty alcohol and a fatty acid to generate wax esters. Draw decanol, plamitic acid (C16:0 fatty acid) and the resulting wax ester gen
The Waldorf family was caught in a fire but escaped. Unfortunately, the father and daughter suffered burns. The father had second-degree burns on his entire chest, abdomen, and bot
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