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ap biology - cellular respiration & photosynthesis

originally streamed in 2020 with Kari ParninTeacher
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Learn how cells break down glucose to produce ATP through cellular respiration. This AP Biology review covers glycolysis, the Krebs cycle, and the electron transport chain—perfect for your AP exam prep. Cellular respiration is one of the most tested ...more

covered in this stream

units
Unit 3 – Cellular Energetics
topics
3.4 Photosynthesis3.5 Cellular Respiration3.6 Cellular Respiration

timestamps

  • 0:00

    Photosynthesis Review

  • 0:30

    Light to Chemical Energy

  • 1:00

    Chloroplast and Autotrophs

  • 2:36

    Chloroplast Structure Details

  • 3:40

    Stroma and Thylakoid Reactions

  • 4:41

    Reactants and Products Cycle

  • 6:13

    Upcoming Q&A Plans

  • 7:14

    Four W's of Respiration

  • 9:19

    Respiration Equation Overview

  • 11:52

    Who Performs Respiration

  • 13:26

    Mitochondria Location

  • 14:26

    Three Stages Introduction

  • 17:05

    Respiration Process Overview

  • 19:43

    Pyruvate Oxidation Step

  • 21:16

    Concept Check One

  • 22:19

    Glycolysis Breakdown

  • 25:56

    Glycolysis Without Oxygen

  • 26:58

    Fermentation Processes

  • 29:35

    Concept Check Two

  • 30:36

    Krebs Cycle Details

  • 33:45

    Krebs Cycle Outputs

  • 34:15

    Concept Check Three

  • 35:19

    Electron Transport Chain

  • 36:49

    Chemiosmosis and ATP

  • 38:53

    Oxygen as Acceptor

  • 40:26

    ETC Diagram Explanation

  • 42:00

    Multiple Choice Question

  • 43:32

    Final Electron Acceptor

  • 44:34

    Electron Pathway Question

  • 46:39

    Free Response Explanation

  • 50:46

    Closing and Questions

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Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

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history

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
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© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.