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  3. AP Biology CRAM – FRQ Practice Units 4-6

ap biology cram – frq practice units 4-6

originally streamed on May 13, 2020
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Practice FRQs for AP Biology Units 4-6 with guided walkthroughs and exam strategies. This review session covers gene expression, heredity, experimental design, and cellular processes to help you prepare for the AP Bio exam. This Q&A session tackles ...more

timestamps

  • 0:00

    Welcome and Session Intro

  • 0:36

    Exam Strategies Discussion

  • 1:09

    Final Cram Session Details

  • 1:40

    FRQ Strategies Overview

  • 2:10

    Standard Error Reminder

  • 2:41

    Question One Structure

  • 3:12

    Question Two Focus

  • 3:42

    Power Words Review

  • 4:13

    Slide Access Instructions

  • 4:43

    2017 FRQ Question 4 Intro

  • 5:13

    Gene Expression Figure

  • 5:44

    Part A: mRNA Modification

  • 6:14

    Practice Time for Part A

  • 9:05

    Reviewing Part A Answer

  • 10:07

    Diagram Analysis Tips

  • 11:09

    Time Management Advice

  • 11:41

    Part B: Prokaryotic Prediction

  • 12:44

    Chat Issue Resolution

  • 14:20

    Prokaryotic vs Eukaryotic Differences

  • 15:23

    Part B Answer Review

  • 16:25

    Intron Removal Mnemonic

  • 16:55

    Alternative Splicing Explanation

  • 19:00

    Prokaryotic mRNA Processing

  • 19:33

    Gibberellin FRQ Intro

  • 20:04

    Reading the Question

  • 20:36

    Enzyme Role Notes

  • 21:06

    Punnett Square Reminder

  • 22:10

    Part A: Mutation Effect

  • 23:12

    Sending PDF Link

  • 23:42

    Rereading for Reasoning

  • 26:03

    Basic Biology Hint

  • 26:41

    Part A Answer Discussion

  • 28:16

    Enzyme Shape Importance

  • 28:46

    Reasoning for Short Phenotype

  • 29:48

    Overthinking Reminder

  • 30:22

    Part B: Codon Prediction

  • 31:24

    Using Codon Chart

  • 32:30

    Likely Substitution

  • 33:00

    Specific Example

  • 34:01

    Test Question Variations

  • 35:01

    Part C: Phenotype Explanation

  • 35:33

    Thinking About Genes

  • 36:46

    Hint on Dominance

  • 38:02

    Chat Freeze Issue

  • 38:32

    Protein Role Emphasis

  • 40:04

    Acceptable Answers

  • 40:36

    Experimental Design Vocab

  • 41:07

    Independent vs Dependent Variables

  • 41:38

    Common FRQ Topics

  • 42:08

    Content vs FRQ Practice

  • 42:39

    Controlled Variables

  • 43:10

    Variable Confusion Warning

  • 43:40

    IV and DV Examples

  • 44:11

    Controls Purpose

  • 44:41

    Control Group Definition

  • 45:15

    Experimental Groups

  • 45:46

    Null Hypothesis Review

  • 46:16

    2019 FRQ Intro

  • 46:47

    Experiment Setup

  • 47:19

    Treatment Groups

  • 47:51

    Data Results

  • 48:21

    Sending 2019 PDF

  • 48:53

    Part B: Population Sizes

  • 50:06

    Quick Q&A

  • 50:44

    Part B Answer

  • 51:17

    Same Total Species Control

  • 51:48

    Part C: Competition Evidence

  • 52:19

    Using Numbers for Evidence

  • 53:59

    Two Data Points Needed

  • 54:29

    Group Two Decline

  • 55:01

    Comparing Groups

  • 55:31

    Slower Growth Evidence

  • 56:02

    Evidence from Results

  • 56:33

    Equation Sheet Advice

  • 57:03

    Part D Skip

  • 57:33

    Part E: Contractile Vacuole

  • 58:04

    Osmosis Review

  • 58:38

    Predicting Activity Change

  • 59:10

    Hypotonic Environment Justification

  • 1:00:11

    Water Potential Explanation

  • 1:00:42

    Haploid After Meiosis Question

  • 1:01:15

    Meiosis Diagram Explanation

  • 1:02:18

    Chromosome Versions

  • 1:02:50

    Drawing Cell Example

  • 1:03:22

    Homologous Chromosomes

  • 1:03:52

    Gene Versions

  • 1:04:24

    DNA Replication

  • 1:04:57

    Meiosis One Separation

  • 1:05:27

    Haploid Reasoning

  • 1:05:59

    Genetic Diversity Loss

  • 1:06:29

    Mitosis Comparison

  • 1:07:00

    Haploid Definition

  • 1:07:32

    Mitosis Lining Up

  • 1:08:03

    Daughter Cells in Mitosis

  • 1:08:34

    Haploid Cells Types

  • 1:09:04

    Sunday Review Plans

  • 1:09:35

    Closing Remarks

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

every AP exam is fiveable

Fiveable

Study Content & Tools

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 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.