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high pH - 🧠 ANSWER ✔✔basic = more OH
low pH - 🧠 ANSWER ✔✔acidic= more H
pH greater than PI
pH=PI
This document contains 28 concise exam questions and expert-verified answers for Chem 103 Exam 5 (2026). It focuses on foundational biochemical and organic chemistry concepts including pH interpretation (acidic vs. basic conditions), isoelectric point (pI) relationships, and charge states of molecules when pH is greater than, less than, or equal to pI. It also reviews structural isomers, catalysts, enzymes, and the principles of activation energy reduction. The material further explores enzyme function models (lock-and-key vs. induced fit), competitive and noncompetitive inhibition mechanisms (active site vs. allosteric binding), and classification of amino acid side chains (nonpolar, acidic, basic, polar neutral). Additionally, it covers fatty acid types (saturated, monounsaturated, polyunsaturated) and their structural characteristics. These topics align with standard General Chemistry II and introductory Biochemistry curricula. This study guide is particularly suitable for: Chem 103 students General Chemistry II students Pre-med and pre-health majors Biology and Biochemistry students Nursing and allied health students Students preparing for cumulative unit exams It is relevant for courses such as: General Chemistry II Introductory Biochemistry Chemistry for Health Sciences Organic and Biological Chemistry Foundations of Molecular Biology The structured question-and-answer format makes this resource ideal for rapid review, concept reinforcement, and preparation for multiple-choice and short-answer chemistry exams focused on acid–base chemistry and enzyme kinetics. Keywords: Chem 103 Exam 5, pH and pI, Isoelectric Point, Acidic vs Basic, Enzyme Catalysis, Activation Energy, Lock and Key Model, Induced Fit Model, Competitive Inhibition, Noncompetitive Inhibition, Structural Isomers, Fatty Acids, Saturated Fatty Acids, Monounsaturated, Polyunsaturated, Amino Acid Side Chains, Polar Neutral, Nonpolar R Groups, Acidic R Groups, Basic R Groups
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