BIO 1330 Exam 3 Questions and Answers Already Passed

BIO 1330 Exam 3 Questions and Answers Already Passed energy is the capacity _________ or ___________ - Answers to do work, supply heat energy of motion - Answers kinetic energy energy due to position - Answers potential energy __________ bonds have high ____________ - Answers nonpolar covalent, potential energy total energy in a molecule - Answers enthalpy ______________ is a molecule's ability to make stronger bonds - Answers chemical energy molecules with many _______________ bonds would have high chemical energy - Answers nonpolar covalent first law of thermodynamics - Answers energy cannot be created or destroyed but transferred/transformed energy available for work is ______________ - Answers free energy ________ is a measure of disorder - Answers entropy _________ and _________ changes over the course of a chemical reaction - Answers entropy, enthalpy second law of thermodynamics - Answers in spontaneous reactions, entropy increases with increasing temperature, - Answers entropy increases reactions that proceed without a continuous input of energy are - Answers spontaneous reactions free energy is a property of both - Answers enthalpy and entropy as _________ increases, free energy increases - Answers enthalpy as _________ increases, free energy decreases - Answers entropy free energy changes over the course of reaction - the net change is the free energy of the __________ minus the free energy of the ___________ - Answers product, reactant spontaneous - free energy ________ and is thus __________ - Answers decreases, negative spontaneous - products have higher ______ than reactants - Answers entropy spontaneous reactions are also known as - Answers exergonic reactions spontaneous - energy is being _______ over the course of the reaction - Answers released spontaneous reaction drawn - Answers non-spontaneous - free energy __________ is thus __________ - Answers increasing, positive non-spontaneous - products have _________ entropy than reactants - Answers lower non-spontaneous reactions are also know as - Answers endergonic reactions non-spontaneous - energy is being ________ over the course of the reaction - Answers absorbed non-spontaneous reaction drawn - Answers in cellular respiration, glucose is ________ and oxygen is ________ - Answers oxidized, reduced products of cellular respiration - Answers 6CO2, 6H2O, 29 ATP After glycolysis, most of the energy (in the form of e-) is still within the - Answers pyruvate molecules glycolysis occurs in the - Answers cytoplasm 2 ATP given in glycolysis - Answers investment phase glycolysis - 2NAD+ and the 2 ATP become ____________ in the _________ - Answers NADH and 4 ATP, payoff phase end of glycolysis - Answers 2 pyruvate, net gain of 2 ATP pyruvate processing occurs in the - Answers mitochondrial matrix pyruvate processing inputs - Answers 2 pyruvate, 2 coenzyme A, 2 NAD+ pyruvate processing outputs - Answers 2CO2, 2 NADH, 2 Acetyl CoA citric acid cycle (krebs cycle) occurs in the - Answers mitochondrial matrix citric acid cycle input - Answers 2 Acetyl CoA citric acid cycle outputs - Answers 4 CO2, 6 NADH, 2 FADH2, 2 ATP Graph of spontaneous reaction - does this reaction need a continuous input of energy? - Answers no Graph of spontaneous reaction - does this reaction need an initial input of energy? what is this energy input called? - Answers yes, activation energy Graph of spontaneous reaction - how does the height of the activation energy affect the rate (how fast) the reaction is? - Answers higher = slower Graph of spontaneous reaction