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CHEMISTRY OF LIFE
Define matter and list its three forms.
Define atom. List the subatomic particles; describe their relative masses, charges, and positions in the atom. Define the related terms: atomic number, atomic mass, atomic weight, isotope, and radioisotope.
Explain the role of electrons and the octet rule in chemical bonding. Describe ionic, covalent, and hydrogen bonds, how they differ, and their strengths from weakest to strongest.
Define element, mixture, and compound, and list the four major elements that make up the body
Compare and contrast polar and nonpolar compounds.
Explain the importance of water and salts to body homeostasis. Define acids, bases, and salts and explain the concept of pH.
Compare solutions, colloids, and suspensions. Explain what is meant by a molar solution and why molarity is so important. How many particles are in a mole of anything?
Describe and compare the building blocks, general structure, and biological functions of lipids, carbohydrates, proteins, and nucleic acids.
Explain the role of dehydration synthesis and hydrolysis in the formation and breakdown of organic molecules. Describe the four levels of protein structure.
Compare and contrast DNA and RNA.
Differentiate clearly between matter and energy and between potential energy and kinetic energy.
Describe the major forms of energy.
Identify three major types of chemical reactions (synthesis, decomposition, and exchange, and reversible reactions).
Describe the nature and importance of oxidation- reduction reactions. Describe oxidation and reduction as processes.
Describe the general mechanism of enzyme activity and describe the function of molecular chaperones.
Describe the factors that affect chemical reaction rates and tell why many chemical reactions in the body are irreversible
Explain the role of ATP in cell metabolism and name the pathways that generate ATP
List the four stages of glucose oxidation and where each stage occurs in the cell.
Write the overall chemical equation for cellular respiration and explain the general process of what is occurring.