Make enzyme graphs, binding, and inhibition finally make sense for exam questions
2 sections · 4 lessons
Define activation energy, then examine how enzyme structure and active-site chemistry enable catalysis and specificity.
2 lessonsCompare induced fit and lock-and-key ideas, then predict how competitive and noncompetitive inhibition alter Km and Vmax from Michaelis-Menten behavior.
2 lessonsEnzymes speed reactions by lowering activation energy, but they do not change equilibrium or the overall free-energy difference. This course builds a clear picture of how enzyme structure, active sites, substrate binding, inhibition, kinetics, and allosteric regulation fit together so you can reason through the biology instead of memorizing isolated terms. It is aimed at college biology students who want a stronger conceptual grip on a topic that often shows up in exams as graphs, predictions, and short-answer reasoning.
The course covers activation energy and catalytic rate changes, the structural basis of active sites, and how substrate binding supports specificity through induced fit. It also covers competitive and noncompetitive inhibition, Michaelis-Menten behavior, Km and Vmax, and the way allosteric regulation shifts enzyme activity in cells.
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Three findings from decades of learning research shaped how every Fenzo lesson is built.
Average pass rate · Freeman et al., PNAS 2014
What the science says
Students in lecture-only classes are 1.5× more likely to fail.
How Fenzo does it
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You work through itAI does it for you
Skill retention over time · with vs. without practice
What the science says
Offloading thinking to AI erodes the very skills you’re trying to build.
How Fenzo does it
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Retrieval practiceRe-reading
Long-term recall · retrieval vs. re-reading
What the science says
Recalling information beats re-reading it for building durable understanding.
How Fenzo does it
Lessons weave in quizzes and recall prompts, so it sticks.