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Atomic structure for Biochemistry revision poster

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´╗┐Introduction to Biochemistry Atomic structure: * Proton(p+): located in the nucleus, + charge. * Neutron(n*): located in the nucleus, no charge. * Electron(e-): located in orbitals outside the nucleus, - charged. * Ions: atoms that have a positive or a negative charge depending if it gains or losses an electron to become stable: Cations: ions that lose electrons (ex; Na+), Anions: ions that gain more electrons (ex: O2-) Chemical Bonding: * Attraction between 2 atoms that holds them together, (intramolecular forces.) * There are 3 types: 1)Ionic bond: metal + non- metal (ex: NaCl, BeF2) ...read more.


Types of Biochemical Reactions:1) Acid-Base Reactions 2) Oxidation-Reduction Reactions, 3)Condensation and Hydrolysis Reactions, 4) Enzyme-catalyzed Reactions. 1)Acids and Bases: Acid- substance that produces hydrogen ions or hydronium ions. Base- substance that produces a hydroxide ion. 2)Redox: transfer of electrons between - molecule loses electrons = oxidized - molecule gains electron = reduced Thinking Questions: 3. Provide some examples of where a buffer solution is used? Ans- Bicarbonate in blood is used to maintain the body?s PH, also used in fermentation processes, dying fabrics, chemical analysis, DNA extraction, etc.? - (EN): the atom?s ability to attract a shared electron pair in a covalent bond. ...read more.


Ans- Water, due to its polarity, can dissolve various substances and solutions. This property makes it a good solvent. It is known as the "universal solvent" because can mix with majority of the other known substances compared to other liquids. Water molecules can also attract to other molecule easily with helps in most reactions. 2. Give an example of Redox reactions in metabolic processes? Ans- When going through the metabolic process the body consumes energy, this chemical energy is provided through a series of redox reactions for synthesis of ATP as one atom is oxidized by losing electrons and another atom becomes reduced by gaining electrons. ...read more.

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