Campbell biology concepts and connections 8th edition reece test bank

... regions on proteins D) proteins and DNA interact using mainly hydrophobic interactions E) both proteins and DNA are at their isoelectric points at physiological pH and tend to aggregate Answer: ... compounds can be readily dissolved in water because the high dielectric constant of water screens and decreases the force between the oppositely charged ions Answer: electrostatic Objective: ... 14) Calculate the pH of a 0.1 M phosphate buffer (pKa = 6.86) that contains equal amounts of acid and conjugate base Answer: 6.86 Objective: 2.4 Global LO: G4 15) Calculate the pH of a 0.2 M acetate...

... information on elements, and also sections 2.2.A and 2.2.B for more information Blooms Level: Understand Learning Outcome: 02.00.01 Explain the relationship between chemistry and biology Learning Outcome: ... of of an atom A protons and neutrons B protons C protons and electrons D neutrons and electrons E protons, neutrons, and electrons Mass number is analyzed and reported, because researchers ... chiefly contain in fairly distinct ratios and structures A carbon, hydrogen, and nitrogen B carbon C carbon and oxygen D carbon and nitrogen E carbon and hydrogen From the monomer units to the...

... Learning Objective: LO 2.3 Compare and contrast acids, bases, and buffers, discussing their properties and applications Section Reference: Section 2.3 Acids, Bases, and Buffers 14) A release of hydrogen ... Learning Objective: LO 2.3 Compare and contrast acids, bases, and buffers, discussing their properties and applications Section Reference: Section 2.3 Acids, Bases, and Buffers 15) Why is silicon ... two superoxide free radicals and two hydrogen ions into hydrogen peroxide and oxygen Hydrogen peroxide is also a highly destructive substance and without catalase and glutathione peroxidase, the...