Aca Biochemistry Exam Questions And Answers With 100% Correct Answers

Aca Biochemistry Exam Questions And Answers With 100% Correct Answers Cohesion - answerAttraction between like molecules Adhesion - answerAttraction between molecules of different substances Heat capacity - answerThe amount of heat required to raise the temperature of a specified amount of a substance by 1°C or 1 K. Solute - answerSubstance being dissolved Hydrophilic - answerWater loving Hydrophobic - answer"water fearing" Surface tension - answerA measure of how difficult it is to stretch or break the surface of a liquid. Water has a high surface tension because of the hydrogen bonding of surface molecules. Capillary action - answerA process powered by adhesion and cohesion that causes water molecules to move upward through a narrow tube such as the stem of a plant. "Universal solvent" - answerWater - due to its polarity and ability to dissolve many different solutes H2O - answerThe chemical formula for water Polar molecule - answerA molecule in which the positive and negative charges are unevenly distributed Solvent - answerThe substance in which the solute dissolves Hydrogen bond - answerThe attraction between a hydrogen atom (with a partial positive charge) and another atom with a partial negative charge Polar - answerMolecule with partial charges. Mixes with water. Heat Capacity - answerThe amount of energy needed to increase the temperature of a substance Mixture - answerA material composed of two or more elements or compounds that are physically mixed together but are not c