Study Guides
Topic Study Guides
Focused guides for the topics students search when they're stuck.
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Photosynthesis: A Study Guide That Actually Explains It
How photosynthesis actually works: light-dependent reactions, Calvin cycle, C3/C4/CAM plants, and the exam-worthy details. With a review deck to lock it in.
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Meiosis: A Study Guide That Actually Explains It
Meiosis explained clearly: Meiosis I vs II, synapsis, crossing over, independent assortment, non-disjunction. With a review deck to lock it into memory.
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Cellular Respiration: A Study Guide That Actually Explains It
Cellular respiration explained: glycolysis, pyruvate oxidation, Krebs cycle, electron transport chain, chemiosmosis. With flashcard deck.
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DNA Replication: A Study Guide That Actually Explains It
DNA replication explained: origins, helicase, primase, polymerases, ligase, leading vs lagging strand, Okazaki fragments. With flashcards.
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Newton's Laws: A Study Guide That Actually Explains Them
Newton's three laws of motion, worked examples, and the common problem patterns. With a review deck for AP Physics, MCAT, and NEET.
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Mitosis Study Guide: From Cell Cycle to Cytokinesis
Learn the cell cycle, mitosis phases, chromosome and chromatid counts, spindle function, cytokinesis, checkpoints, and the differences from meiosis.
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Protein Synthesis Study Guide: From Gene to Polypeptide
Learn transcription, RNA processing, the genetic code, translation, ribosome sites, mutations, and regulation from DNA information to functional protein.
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Cell Membrane Transport Study Guide
Learn membrane structure, diffusion, osmosis, tonicity, channels, carriers, active transport, electrochemical gradients, endocytosis, and exocytosis.
Read guideImmunology study guide
Immune System Study Guide: Innate to Adaptive Defense
Learn barriers, inflammation, complement, antigen presentation, B and T cells, antibodies, memory, vaccination, tolerance, and hypersensitivity.
Read guidePhysiology study guide
Homeostasis Study Guide: Feedback and Physiological Control
Learn regulated variables, sensors, integrators, effectors, negative and positive feedback, feedforward control, set points, and physiological examples.
Read guideChemistry study guide
Acid-Base Equilibrium Study Guide
Learn Brønsted acids and bases, conjugate pairs, Ka, pKa, pH, weak-acid equilibria, buffers, Henderson-Hasselbalch, titrations, and approximations.
Read guideChemistry study guide
Chemical Bonding Study Guide: Structure to Properties
Learn ionic and covalent bonding, Lewis structures, formal charge, resonance, VSEPR geometry, bond polarity, molecular polarity, hybridization, and bond order.
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Stoichiometry Study Guide: A Unit-First Method
Learn balanced equations, moles, molar mass, particle and gas conversions, limiting reactants, theoretical yield, percent yield, solutions, and unit checks.
Read guidePhysics study guide
Kinematics Study Guide: Describe Motion Before Solving It
Learn position, displacement, velocity, acceleration, motion graphs, constant-acceleration equations, free fall, vectors, projectile motion, and assumptions.
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Electric Circuits Study Guide: From Charge to Power
Learn charge, current, voltage, resistance, Ohm's law, series and parallel circuits, Kirchhoff's rules, equivalent resistance, energy, and power.
Read guideMathematics study guide
Probability Study Guide: Count the Right Outcomes
Learn sample spaces, events, complements, unions, intersections, conditional probability, independence, counting, Bayes' theorem, expectation, and simulations.
Read guideCalculus study guide
Derivatives Study Guide: Meaning Before Rules
Learn derivatives as rates and slopes, limits, power and product rules, chain rule, implicit differentiation, graphs, optimization, and related rates.
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Meiosis and Sexual Reproduction Study Guide: Biology 2e Chapter 11
Study Meiosis and Sexual Reproduction in OpenStax Biology 2e chapter 11. Map concepts, practice applications, use mixed recall, and verify answers.
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Mendel's Experiments and Heredity Study Guide: Biology 2e Chapter 12
Study Mendel's Experiments and Heredity in OpenStax Biology 2e chapter 12. Map concepts, practice applications, use mixed recall, and verify answers.
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Modern Understandings of Inheritance Study Guide: Biology 2e Chapter 13
Study Modern Understandings of Inheritance in OpenStax Biology 2e chapter 13. Map concepts, practice applications, use mixed recall, and verify answers.
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DNA Structure and Function Study Guide: Biology 2e Chapter 14
Use this study guide for DNA Structure and Function in OpenStax Biology 2e chapter 14. Map sections, practice applications, and verify answers against the text.
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Genes and Proteins Study Guide: Biology 2e Chapter 15
Review Genes and Proteins from OpenStax Biology 2e chapter 15. Map concepts, test applications, use mixed recall, and verify each correction against the text.
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Gene Expression Study Guide: Biology 2e Chapter 16
Study Gene Expression in OpenStax Biology 2e chapter 16. Connect the sections, practice applications, use mixed recall, and verify answers in the current text.
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Biotechnology and Genomics Study Guide: Biology 2e Chapter 17
Use this study guide for Biotechnology and Genomics in OpenStax Biology 2e chapter 17. Map sections, practice applications, and verify answers against the text.
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Evolution and the Origin of Species Study Guide: Biology 2e Chapter 18
Study Evolution and the Origin of Species in OpenStax Biology 2e chapter 18. Map concepts, practice applications, use mixed recall, and verify answers.
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The Evolution of Populations Study Guide: Biology 2e Chapter 19
Study The Evolution of Populations in OpenStax Biology 2e chapter 19. Map concepts, practice applications, use mixed recall, and verify answers.
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Phylogenies and the History of Life Study Guide: Biology 2e Chapter 20
Study Phylogenies and the History of Life in OpenStax Biology 2e chapter 20. Map concepts, practice applications, use mixed recall, and verify answers.
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The Muscular System Study Guide: Anatomy and Physiology 2e Chapter 11
Study The Muscular System in OpenStax A&P 2e chapter 11. Connect the sections, practice applications, use mixed recall, and verify answers in the current text.
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The Nervous System and Nervous Tissue Study Guide: Anatomy and Physiology 2e Chapter 12
Study The Nervous System and Nervous Tissue in OpenStax A&P 2e chapter 12. Map concepts, practice applications, use mixed recall, and verify answers.
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Anatomy of the Nervous System Study Guide: Anatomy and Physiology 2e Chapter 13
Use this study guide for Anatomy of the Nervous System in OpenStax A&P 2e chapter 13. Map sections, practice applications, and verify answers against the text.
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The Somatic Nervous System Study Guide: Anatomy and Physiology 2e Chapter 14
Use this study guide for The Somatic Nervous System in OpenStax A&P 2e chapter 14. Map sections, practice applications, and verify answers against the text.
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The Autonomic Nervous System Study Guide: Anatomy and Physiology 2e Chapter 15
Use this study guide for The Autonomic Nervous System in OpenStax A&P 2e chapter 15. Map sections, practice applications, and verify answers against the text.
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The Neurological Exam Study Guide: Anatomy and Physiology 2e Chapter 16
Review The Neurological Exam from OpenStax A&P 2e chapter 16. Map concepts, test applications, use mixed recall, and verify each correction against the text.
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The Endocrine System Study Guide: Anatomy and Physiology 2e Chapter 17
Study The Endocrine System in OpenStax A&P 2e chapter 17. Connect the sections, practice applications, use mixed recall, and verify answers in the current text.
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The Cardiovascular System: Blood Study Guide: Anatomy and Physiology 2e Chapter 18
Study The Cardiovascular System: Blood in OpenStax A&P 2e chapter 18. Map concepts, practice applications, use mixed recall, and verify answers.
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The Cardiovascular System: The Heart Study Guide: Anatomy and Physiology 2e Chapter 19
Study The Cardiovascular System: The Heart in OpenStax A&P 2e chapter 19. Map concepts, practice applications, use mixed recall, and verify answers.
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The Cardiovascular System: Blood Vessels and Circulation Study Guide: Anatomy and Physiology 2e Chapter 20
Use this study guide for Blood Vessels and Circulation in OpenStax A&P 2e chapter 20. Map sections, practice applications, and verify answers against the text.
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Solutions and Colloids Study Guide: Chemistry 2e Chapter 11
Use this study guide for Solutions and Colloids in OpenStax Chemistry 2e chapter 11. Map sections, practice applications, and verify answers against the text.
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Kinetics Study Guide: Chemistry 2e Chapter 12
Use this study guide for Kinetics in OpenStax Chemistry 2e chapter 12. Map the sections, practice applications, and verify every answer in the current text.
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Fundamental Equilibrium Concepts Study Guide: Chemistry 2e Chapter 13
Study Fundamental Equilibrium Concepts in OpenStax Chemistry 2e chapter 13. Map concepts, practice applications, use mixed recall, and verify answers.
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Acid-Base Equilibria Study Guide: Chemistry 2e Chapter 14
Use this study guide for Acid-Base Equilibria in OpenStax Chemistry 2e chapter 14. Map sections, practice applications, and verify answers against the text.
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Equilibria of Other Reaction Classes Study Guide: Chemistry 2e Chapter 15
Study Equilibria of Other Reaction Classes in OpenStax Chemistry 2e chapter 15. Map concepts, practice applications, use mixed recall, and verify answers.
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Thermodynamics Study Guide: Chemistry 2e Chapter 16
Study Thermodynamics in OpenStax Chemistry 2e chapter 16. Connect the sections, practice applications, use mixed recall, and verify answers in the current text.
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Electrochemistry Study Guide: Chemistry 2e Chapter 17
Review Electrochemistry from OpenStax Chemistry 2e chapter 17. Map concepts, test applications, use mixed recall, and verify each correction against the text.
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Representative Metals, Metalloids, and Nonmetals Study Guide: Chemistry 2e Chapter 18
Study Representative Metals and Nonmetals in OpenStax Chemistry 2e chapter 18. Map concepts, practice applications, use mixed recall, and verify answers.
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Transition Metals and Coordination Chemistry Study Guide: Chemistry 2e Chapter 19
Study Transition Metals and Coordination in OpenStax Chemistry 2e chapter 19. Map concepts, practice applications, use mixed recall, and verify answers.
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Organic Chemistry Study Guide: Chemistry 2e Chapter 20
Review Organic Chemistry from OpenStax Chemistry 2e chapter 20. Map concepts, test applications, use mixed recall, and verify each correction against the text.
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