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ap biology - gene expression & protein synthesis

originally streamed in 2019 with Caroline KoffkeTeacher
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Learn how DNA becomes functional proteins through transcription and translation. This AP Biology Unit 6 review covers gene expression, the central dogma, and protein synthesis to help you prepare for the AP Bio exam. You'll explore how genetic infor ...more

covered in this stream

units
Unit 6 – Gene Expression and Regulation
topics
6.1 DNA and RNA Structure 6.3 Transcription and RNA Processing6.4 Translation6.5 Regulation of Gene Expression6.7 MutationsGene to ProteinGene Expression, Cell Specialization, and Mutations

timestamps

  • 0:00

    Introduction to Gene to Protein

  • 0:32

    Purpose of Gene Expression

  • 1:03

    Importance of Proteins

  • 2:35

    RNA vs DNA Refresher

  • 3:37

    Transcription Process

  • 5:09

    Coding and Template Strands

  • 6:48

    Start Codon AUG

  • 7:49

    mRNA Processing in Eukaryotes

  • 8:53

    5' Cap Addition

  • 9:55

    Poly-A Tail Protection

  • 11:30

    Exons and Introns

  • 13:02

    Alternative Splicing

  • 15:06

    Splicing Analogy Example

  • 18:46

    Translation Overview

  • 20:20

    Ribosome and Codons

  • 23:26

    Start and Stop Codons

  • 25:30

    Genetic Code Redundancy

  • 26:32

    Protein Folding Aftermath

  • 27:03

    Mutation Types Overview

  • 30:39

    Frameshift Mutations

  • 33:47

    Beneficial Mutations Examples

  • 36:22

    Closing Remarks

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Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP Exam AccommodationsAP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

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

career kickstart

💼 ap business with personal finance🔒 ap cybersecurity

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.