Back to the Introduction to Biology outline The Course Maker
Introduction to Biology outline
Week 16 · Lecture outline

Week 16 — Lecture Outline · Final Review & Exam

Introduction to Biology · BIOL 101 Fall 2026 · Prof. Castellano Fictional sample

Course: Introduction to Biology — General Biology I (BIOL 101) · Silver Oak University (fictional sample) · Prof. Castellano
Objectives covered: cumulative — Objectives 1–8 (Weeks 1–15). Obj 1 — the science of biology & evolution as the unifying lens; Obj 2 — the chemistry of life & macromolecules; Obj 3 — cell structure, membranes & transport; Obj 4 — energy, enzymes, respiration & photosynthesis; Obj 5 — the cell cycle, mitosis & meiosis; Obj 6 — Mendelian genetics & patterns of inheritance; Obj 7 — DNA, replication & gene expression; Obj 8 — gene regulation, mutation & biotechnology.
SLOs touched: A (scientific reasoning — hypotheses, experimental design, data interpretation) · B (structure–function & energy flow)
Meeting pattern: 2 sessions × 75 min = 150 min. Segment minutes below total ~150; scale to your own pattern.

This is the final review-and-exam week — no new content. It is cumulative over the entire course (Weeks 1–15, Objectives 1–8). Each segment briskly re-teaches one or two objectives with its highest-yield ideas, one signature example (a labeled figure or a fully worked calculation), and the single misconception most likely to cost points; the final segment frames the comprehensive Final and how to prepare. Built to be taught from cold as a capstone review: an instructor (or a substitute) can run it without having taught the course, because every definition, worked example, and cure travels with the segment. This week's only graded item is the Final (25%) — there is no quiz, no discussion, no assignment, and no lab this week; the Final stands in for all of them. The Final pairs with a Study Guide + Exam-Prep Tutorial + Practice Final, built separately and referenced here by name. (All worked numbers below are pre-computed and were independently re-verified — the same pre-verified values used on the Final.)


Week at a Glance

The week's big question "Across the whole course — what's alive and how we know it, the chemistry and the cell, how energy flows, how cells divide, how traits are inherited, and how DNA is read and edited — what is the one move each topic asks of us, and where does everyone slip?"
By the end of the week, students can… (1) re-run each objective's core move on demand — use the whole checklist for "is it alive?" and design a clean controlled experiment (Obj 1); tell the bond types apart, work a pH factor, and match each macromolecule to its monomer (Obj 2); match an organelle to its job, call osmosis direction, and use surface-area-to-volume (Obj 3); put respiration and photosynthesis stages in order with locations and outputs (Obj 4); order mitosis (PMAT), compute a mitotic index, and tell mitosis from meiosis / use 2ⁿ (Obj 5); work a monohybrid (3:1) and dihybrid (9:3:3:1; 1/16) cross and handle ABO/incomplete dominance/X-linkage (Obj 6); apply base pairing and semiconservative replication and walk the central dogma (Obj 7); explain gene regulation, classify a mutation, and tell PCR from gel electrophoresis (Obj 8); (2) name and avoid the highest-cost misconception in each theme; (3) walk into the Final knowing its coverage, its weight (25%), and a concrete plan built around the Study Guide, the Exam-Prep Tutorial, and the Practice Final.
Key vocabulary (all review) characteristics of life, levels of organization, emergent property, hypothesis/theory, independent/dependent/controlled variable, control group, natural selection; atom/element/molecule, covalent/ionic/hydrogen bond, cohesion/adhesion, pH/acid/base/buffer, monomer/polymer, dehydration synthesis/hydrolysis, carbohydrate/lipid/protein/nucleic acid; prokaryote/eukaryote, nucleus/ribosome/mitochondrion/chloroplast/ER/Golgi/lysosome, phospholipid bilayer, diffusion/osmosis/facilitated/active transport, hypotonic/hypertonic/isotonic, surface-area-to-volume; energy, ATP/ADP, enzyme/substrate/active site, activation energy, denaturation, glycolysis/Krebs cycle/electron transport chain, NADH/FADH₂, light reactions/Calvin cycle, thylakoid/stroma, autotroph/heterotroph; cell cycle (G1/S/G2/M), mitosis (PMAT)/cytokinesis, mitotic index, homologous chromosomes, diploid/haploid, meiosis I/II, crossing over, independent assortment, 2ⁿ; gene/allele, dominant/recessive, genotype/phenotype, homozygous/heterozygous, Punnett square, monohybrid/dihybrid, product rule, test cross, incomplete dominance/codominance, multiple alleles/ABO, sex linkage/carrier, pedigree; nucleotide, double helix, antiparallel, complementary base pairing (A–T, G–C), semiconservative, helicase/DNA polymerase/ligase, Chargaff's rule, central dogma, transcription/mRNA/codon, translation/ribosome/tRNA, start (AUG)/stop codons (U not T in RNA); gene regulation/operon, mutation (point/frameshift; silent/missense/nonsense), mutagen, PCR, gel electrophoresis, recombinant DNA/plasmid, CRISPR
Materials slides (Deck 16 — the final-review deck), the Study Guide, the Exam-Prep Tutorial (AI), the Practice Final, scratch paper for the quantitative pockets, one approved chatbot (Gemini / Claude / ChatGPT) for the audit-the-AI review moment
Timing note 8 segments, ~150 min total. Session 1 (Tue) = Segments 1–4 (~75): the map + Objectives 1–4 (science → chemistry → the cell → energy flow). Session 2 (Thu) = Segments 5–8 (~75): Objectives 5–8 (mitosis/meiosis → genetics → DNA & gene expression → regulation/mutation/biotech) + the Final frame. Scale to your own pattern.

Segment 1 — Hook & the Map of the Whole Course (10 min) · Session 1 opens

Hook. Put one line on the board with no comment: "A campfire is alive — it grows, it moves, it consumes fuel." Ask: "True or false — and how do you know?" Let the room react, then point out they're reaching for exactly the move the whole course taught: don't trust what feels obvious; use the actual definition and ask for the evidence. (It's false — a flame isn't made of cells, carries no DNA, and keeps no homeostasis; life is the whole checklist, not any one trait.)
- "That instinct — to interrogate a claim about the living world before believing it — is the entire course, sixteen weeks and eight objectives. They line up into one story: what life is, what it's made of, how it's built, how it runs, how it divides, how it's inherited, and how its instructions are read and edited. Today we walk the whole story once, fast, and find the exact spot in each chapter where points get lost. That's the Final."

The promise (write it on the board): "By Thursday you'll be able to take any of the eight big areas — define life, do the chemistry, build the cell, follow the energy, divide the cell, predict the cross, read the molecule, edit the genome — and on demand state the one move it requires and the one mistake that sinks it."

The map (one slide, say it out loud — this is the photograph slide of the week):

WHAT LIFE IS & IS MADE OF: Obj 1 the SCIENCE of biology (what's alive; how we test it) · Obj 2 the CHEMISTRY of life (atoms, water, macromolecules).
THE CELL & ITS ENERGY: Obj 3 the CELL (organelles, membranes, transport) · Obj 4 ENERGY FLOW (enzymes, respiration, photosynthesis).
CONTINUITY — DIVISION & INHERITANCE: Obj 5 CELL DIVISION (mitosis & meiosis) · Obj 6 INHERITANCE (Mendelian genetics & patterns).
THE MOLECULAR PROGRAM: Obj 7 DNA & GENE EXPRESSION (replication; the central dogma) · Obj 8 REGULATION, MUTATION & BIOTECH.

Why it matters line (memory hook): "The whole course is one sentence — life is cellular chemistry that captures energy, divides, passes on DNA, and reads that DNA to build proteins; biology is how we test every claim about it, and evolution is the thread tying it together."


Segment 2 — Objectives 1 & 2 Review: What Life Is & What It's Made Of (20 min)

Re-teach Obj 1 in plain language. Biology is the scientific study of life. Decide "is it alive?" with the whole checklist — cells, energy use, growth, reproduction, response, homeostasis, evolution — not any single trait (so fire and a growing crystal are out). Life is organized in levels (atom → molecule → cell → tissue → organ → organism → population → ecosystem), and higher levels have emergent properties the parts lack (one heart cell twitches; the organized heart pumps). Science replaces "it sounds right" with a controlled experiment: name the independent variable (what you change), the dependent variable (what you measure), the controlled variables (kept the same), and the control group (the no-treatment baseline). A hypothesis is one testable, falsifiable prediction; a theory is a broad, evidence-backed explanation (the cell theory, evolution). Evolution by natural selection is biology's unifying theme.

Re-teach Obj 2 in plain language. Atoms bond three ways: covalent (electrons shared), ionic (electrons transferred → charged ions attract), and hydrogen bonds (weak attractions between molecules). Water's weirdness comes from hydrogen bonding: cohesion (water-to-water → surface tension), adhesion (water-to-other), high specific heat, ice floats, universal solvent. On the pH scale, lower = more acidic and each unit is a 10× change in H⁺. The four macromolecules: carbohydrates (monomer = monosaccharides), proteins (amino acids; shape → function), nucleic acids (nucleotides) — and lipids, the exception, built from glycerol + fatty acids, not a repeating monomer.

One quick worked example (do the arithmetic out loud):

pH factor. How much more acidic is lemon juice (pH 4) than pure water (pH 7)?
- Count the units: 7 − 4 = 3. Each unit is 10×, so the factor is 10³ = 1000× more H⁺ → lemon juice is 1000× more acidic. (Pre-verified.) Watch the trap: it's the factor 1000, not the number of units (3).

Highest-cost misconception + cure:
- ❌ "Matching a couple of traits makes something alive," and "ionic bonds share electrons."
Cure: life is the whole checklist — fire grows and moves but has no cells, DNA, or homeostasis. And ionic = transferred, covalent = shared. (Bonus: cohesion is water-to-water; adhesion is water-to-other; and higher pH is less acidic, not more.)


Segment 3 — Objectives 3 & 4 Review: The Cell & Its Energy (22 min)

Re-teach Obj 3 in plain language. Prokaryotes (bacteria) have no nucleus; eukaryotes enclose their DNA in a membrane-bound nucleus — the deepest divide. Know the organelles by job (structure → function): nucleus (DNA), ribosome (builds proteins), mitochondrion (makes ATP — respiration), chloroplast (photosynthesis), rough/smooth ER, Golgi (ships), lysosome (digests). The membrane is a phospholipid bilayer (fluid mosaic). Transport: passive (diffusion, osmosis = water movement, facilitated) needs no energy; active transport moves things against the gradient and costs ATP. Osmosis direction: in a hypotonic surrounding water moves in (cell swells); hypertonic, water moves out (shrivels). Cells stay small because of surface-area-to-volume: SA:V = 6/s for a cube, so as a cell grows the ratio drops.

Re-teach Obj 4 in plain language. ATP is the cell's energy currency (ATP ↔ ADP). Enzymes are reusable catalysts that lower activation energy; past their optimum, heat denatures them (the active site no longer fits). Cellular respiration (overview, in order): glycolysis (cytoplasm; glucose → 2 pyruvate, net 2 ATP) → Krebs cycle (matrix; releases CO₂, makes NADH/FADH₂) → electron transport chain (inner membrane; O₂ is the final electron acceptor; most ATP made here). Photosynthesis (in order): light reactions (thylakoid; split water → O₂, make ATP + NADPH) → Calvin cycle (stroma; fix CO₂ into sugar using ATP + NADPH). Roughly the reverse of respiration; plants do both.

One quick worked example (read the figure out loud):

Where does the O₂ come from? A pond plant in sunlight bubbles oxygen.
- The O₂ comes from splitting water (H₂O) in the light reactionsnot from the CO₂ (the classic reversal). The CO₂ is fixed into sugar later, in the Calvin cycle, in the stroma. Tie-in: the most ATP in respiration comes from the electron transport chain, not glycolysis.

Highest-cost misconception + cure:
- ❌ "Osmosis moves the solute," "plant cells don't have mitochondria," and "plants don't do respiration."
Cure: osmosis is water moving (solutes don't); plant cells have both mitochondria and chloroplasts; and plants respire all the time — photosynthesis stores energy, respiration spends it. (Bonus: bigger cells have lower SA:V, which is exactly why cells stay small.)


Segment 4 — Objective 5 Review: Cell Division + Quick Drill (23 min) · Session 1 closes (~75)

Re-teach in plain language. The cell cycle: interphase (G1 → S, where DNA replicates → G2) then M phase. Mitosis runs Prophase → Metaphase → Anaphase → Telophase (PMAT) + cytokinesis, producing two identical diploid cells (growth, repair). The mitotic index = (cells in mitosis ÷ total) × 100. Meiosis runs two divisions → four unique haploid gametes; crossing over (prophase I) and independent assortment create variation. From independent assortment alone, an organism makes 2ⁿ different gametes (n = haploid number). Mitosis vs. meiosis is the most-tested contrast: 1 division/2 identical diploid vs. 2 divisions/4 unique haploid; crossing over is meiosis only.

One quick worked example (do the arithmetic out loud):

Mitotic index. In a field of 100 cells: 80 interphase, 9 prophase, 4 metaphase, 3 anaphase, 4 telophase.
- Cells in mitosis = 9 + 4 + 3 + 4 = 20. Mitotic index = 20 ÷ 100 × 100 = 20%. (Pre-verified.) Note most cells (80%) are in interphase — but that's not the mitotic index.
- Gamete variety: an organism with 3 chromosome pairs makes 2³ = 8 different gametes (pre-verified).

Interaction — rapid-fire "name the move" (think-pair-share, ~6 min): put four one-liners on a slide; students call it solo (30 s), neighbor (1 min), vote.

  1. Sister chromatids are pulled to opposite poles. (anaphase)
  2. One division, two identical diploid cells, for repairing a cut. (mitosis)
  3. Chromosomes line up single-file across the middle. (metaphase)
  4. Four genetically unique haploid gametes. (meiosis)

Highest-cost misconception + cure:
- ❌ "Mitosis makes gametes / reduces the chromosome number," and "crossing over happens in mitosis."
Cure: meiosis makes haploid gametes and halves the number; mitosis makes identical diploid cells. Crossing over is meiosis only (prophase I). (Bonus: a chromosome vs. a chromatid — and use PMAT to keep the phases in order.)


Segment 5 — Objective 6 Review: Predicting Inheritance (24 min) · Session 2 opens

Hook back in: "Session 1 we built the cell and watched chromosomes divide. Meiosis shuffles the alleles — now we predict the result. This is the most quantitative stretch of the course, so careful counting is the whole game."

Re-teach in plain language. Lock the four word-pairs first: gene/allele, dominant/recessive, genotype/phenotype, homozygous/heterozygous — almost every genetics mistake is a word mistake. Mendel's law of segregation: each parent passes one allele per gene. Build a Punnett square, fill every box, read the ratios. The product rule (multiply for "and") handles crosses too big to draw. Patterns that bend Mendel: incomplete dominance (RW → pink, a blend), codominance (AB blood — both show), multiple alleles (ABO), and X-linked recessive (colorblindness — why sons are affected far more often). A test cross (× homozygous recessive) reveals a hidden genotype.

Worked examples (do every step out loud — all pre-verified):

  1. Monohybrid Tt × Tt. Genotype 1 TT : 2 Tt : 1 tt; since any T is tall, phenotype 3 tall : 1 short. P(recessive) = 1/4; P(dominant) = 3/4. (The 1:2:1 is the genotype ratio — don't report it as the phenotype.)
  2. Dihybrid TtYy × TtYy. Each trait is recessive in 1/4; independent → P(both recessive, ttyy) = 1/4 × 1/4 = 1/16; P(both dominant) = 3/4 × 3/4 = 9/16; full ratio 9 : 3 : 3 : 1.
  3. ABO: type A (Iᴬ i) × type B (Iᴮ i) → AB, A, B, O each 1/4P(type O) = 1/4. (Two parents who "look" A and B each hide a recessive i.)

Highest-cost misconception + cure:
- ❌ "Dominant means more common or stronger," "a 3:1 ratio guarantees exactly 3 and 1 in a family of four," and "blood type O is dominant."
Cure: dominant just means the allele that shows when present (not common/strong). 3:1 is a probability, the long-run expectation (like coin flips) — a family of four won't always split exactly. And type O (ii) is recessive. (Bonus: TT and Tt look identical but cross differently — that's why the test cross exists.)


Segment 6 — Objective 7 Review: Reading the Molecule (22 min)

Re-teach DNA & replication in plain language. DNA is a double helix of two antiparallel strands; bases pair A–T and G–C by hydrogen bonds (Chargaff: %A = %T, %G = %C). Replication is semiconservative — each new helix is one old strand + one new strand. The machinery: helicase unzips, DNA polymerase adds complementary bases, ligase seals. (History, factual: Watson, Crick, and Franklin in the DNA-structure story.)

Re-teach gene expression in plain language. The central dogma: DNA → RNA → protein. Transcription (in the nucleus): a DNA template makes mRNA, and RNA uses U instead of T. The genetic code reads codons (3 bases): AUG = start (Met); UAA/UAG/UGA = stop. Translation (at the ribosome in the cytoplasm): tRNA brings amino acids matching each codon until a stop codon ends it.

One quick worked example (transcribe, then translate — pre-verified against the standard code):

Read a gene. mRNA 5′–AUG GCU UAU UGA–3′.
- AUG = Met (start), GCU = Ala, UAU = Tyr, UGA = stop. The stop codon is not an amino acid, so the protein is Met – Ala – Tyr (then translation stops). Tie-in: transcribe a DNA template base of A and you get mRNA U (not T).

Highest-cost misconception + cure:
- ❌ "RNA has thymine," "replication is conservative," and "translation happens in the nucleus."
Cure: RNA uses uracil (U), not T; replication is semiconservative (half old, half new); and transcription is nuclear, translation is cytoplasmic. (Bonus: the two DNA strands aren't identical — they're complementary.)


Segment 7 — Objective 8 Review: Regulation, Mutation & Biotechnology (24 min)

Re-teach in plain language. Gene regulation: every cell carries the same genes, but each cell type switches on only the ones it needs (the lac operon is the classic on/off example) — that's how one genome builds many cell types. Mutations are changes in DNA — point mutations (silent / missense / nonsense) and frameshift (insertion/deletion). They are not all harmful: many are neutral, some beneficial — the raw material for evolution. Biotechnology tools: PCR copies (amplifies) DNA; gel electrophoresis sorts DNA by size — smaller fragments travel farther from the wells; recombinant DNA/plasmids move genes between organisms; CRISPR edits genes precisely.

One quick worked example (read the gel out loud):

DNA fingerprinting. A crime-scene DNA sample is run on a gel next to two suspects' samples.
- Smaller fragments travel farther (large fragments lag near the wells), so each sample makes a banding pattern. You match the crime-scene band pattern to whichever suspect's bands line up — say, Suspect 2. The size→distance rule and band-matching are the gradable facts. Tie-in: PCR would have copied the trace sample first; the gel sorts it.

Highest-cost misconception + cure:
- ❌ "All mutations are bad," "you use all your genes all the time," and "bigger DNA fragments travel farther in a gel."
Cure: mutations are harmful, neutral, or beneficial (and fuel evolution); gene regulation means cells use only some genes; and in a gel smaller fragments move farther. (Bonus: PCR copies, electrophoresis sorts — don't swap them.)


Segment 8 — The Final Frame: What's On It & How to Prepare (15 min) · Session 2 closes (~75)

Audit-the-AI review moment (the course's recurring habit, one last time before the exam):

Paste to an approved chatbot: "In a cross of two heterozygous tall pea plants (Tt × Tt), what is the phenotype ratio and the chance of a short plant? And do RNA molecules contain thymine?"
Check it against what we taught. Chatbots routinely flip the phenotype ratio to 1:2:1, garble a dihybrid as 9:3:1, claim RNA has thymine (it has uracil), put the respiration or mitosis steps out of order, or confuse mitosis with meiosis. The tool drafts; you judge. Catch the slips and you're ready. (Reminder: AI is allowed for prep, but not on the Final.)

What's on the Final (state it plainly — put it on the closing slide):
- Coverage: cumulative over the whole course — Weeks 1–15, Objectives 1–8. The science of biology; the chemistry of life & macromolecules; the cell, membranes & transport; energy, enzymes, respiration & photosynthesis; mitosis & meiosis; Mendelian genetics & patterns of inheritance; DNA, replication & gene expression; and gene regulation, mutation & biotechnology. The midterm already covered the first half (Objectives 1–4), so those early objectives are foundations the later ones use — fair game, but the back half (Objectives 5–8) leans heaviest since it wasn't on the midterm.
- Format & weight: 25 items, 100 points (4 each) — a mix of concept, scenario, and quantitative items: design an experiment, work a pH factor or a surface-area-to-volume ratio, compute a mitotic index, fill a Punnett square (3:1, 9:3:3:1, 1/16, 1/4), order the respiration/photosynthesis/mitosis stages (via matching), apply base pairing, and translate a codon. Mixed item types (mostly multiple-choice, plus matching for process-order/structure-function, and true/false). The Final is 25% of the course grade — the single largest assessment — and replaces Week 16's quiz, assignment, and lab. AI is not permitted on the Final. (There is no Quiz 16, Discussion 16, Assignment 16, or Lab 16 — the Final stands in for all of them.)
- Coverage weight (so you study proportionally): Obj 1 = 3 · Obj 2 = 4 · Obj 3 = 3 · Obj 4 = 4 · Obj 5 = 3 · Obj 6 = 3 · Obj 7 = 3 · Obj 8 = 2 — proportional to teaching time, with the chemistry-of-life and energy-flow blocks (Obj 2, 4) the biggest early slices and cell division/genetics/molecular biology carrying the heaviest back half.

The preparation plan (point at each artifact by name):
1. Study Guide — work it first; it's the checklist of every move across the eight objectives, with the quantitative pockets re-worked.
2. Exam-Prep Tutorial — run it with an approved chatbot (Gemini / Claude / ChatGPT) and submit the share link; it diagnoses and drills your weak spots adaptively across all eight objectives.
3. Practice Final — sit it timed, like the real thing, then review every miss against the Study Guide.

Callback + send-off:
- Callback: "Every item on the Final is a move you already made this term — Week 1 you learned to interrogate a claim about the living world before believing it, and that instinct runs through all eight objectives: define life, do the chemistry, build the cell, follow the energy, divide the cell, predict the cross, read the molecule, and edit the genome."
- Send-off: "You don't need to cram everything — you need the eight honest moves, the worked numbers, and the mistake that sinks each one. Work the Study Guide, run the Exam-Prep Tutorial, take the Practice Final, then sit the Final. You've built every one of these skills across fifteen weeks. Go show them."

Hand-off (the week's work): review the Study Guide, run the Exam-Prep Tutorial (submit the share link), take the Practice Final, and sit the comprehensive Final (window opens Mon Dec 14; due six days later). No quiz, discussion, assignment, or lab this week — the Final is the whole grade for the module.


Instructor FAQ — Common Stumbles (Final-Review Week)

Student says / does Quick cure
Calls a flame (or a growing crystal) alive because it grows/moves. Life is the whole checklist — no cells, no DNA, no homeostasis → not alive. One or two traits isn't enough.
Says ionic bonds share electrons, or confuses cohesion and adhesion. Ionic = transferred, covalent = shared. Cohesion is water-to-water; adhesion is water-to-other.
Reports a pH difference as the number of units. Each unit is a 10× change in H⁺. pH 4 vs 7 = 3 units = 10³ = 1000× more acidic — the factor, not "3."
Calls lipids polymers, or lists a lipid's "monomer." Lipids are the exception — built from glycerol + fatty acids, not a repeating monomer. The other three are polymers.
Says osmosis moves the solute, or that plant cells lack mitochondria. Osmosis = water movement; solutes don't move in it. Plant cells have both mitochondria and chloroplasts.
Thinks bigger cells are better / mixes up SA:V. SA:V = 6/s, so it decreases as a cell grows — less surface per volume, which is why cells stay small.
Puts the respiration (or photosynthesis) stages out of order, or says glycolysis makes the most ATP. Order is glycolysis → Krebs → electron transport chain; the ETC makes the most ATP (O₂ is its final acceptor).
Says plants don't respire, or that O₂ comes from CO₂ in photosynthesis. Plants respire constantly; photosynthesis's O₂ comes from splitting water, not CO₂.
Mis-orders mitosis phases, or says mitosis makes gametes. PMAT: Prophase → Metaphase → Anaphase → Telophase. Meiosis makes haploid gametes; mitosis makes identical diploid cells.
Reads the 1:2:1 genotype ratio as the phenotype ratio. Tt × Tt → genotype 1:2:1, phenotype 3:1 (any T is dominant). Don't conflate them.
Says "dominant = stronger/common" or that a 3:1 ratio is guaranteed in a small family. Dominant just shows when present. 3:1 is a probability (like coin flips) — a family of four won't always be exactly 3 and 1.
Says type O blood is dominant, or that two A/B parents can't have a type-O child. i (type O) is recessive. Iᴬi × Iᴮi → AB, A, B, O each 1/4 — both parents hide an i.
Claims RNA has thymine, or that translation happens in the nucleus. RNA uses uracil (U). Transcription is nuclear; translation is cytoplasmic (at the ribosome).
Says replication is conservative, or that the two DNA strands are identical. Replication is semiconservative (one old + one new strand); the strands are complementary, not identical.
Says all mutations are harmful, or that bigger fragments travel farther in a gel. Mutations are harmful, neutral, or beneficial (raw material for evolution). In a gel, smaller fragments travel farther.
Swaps PCR and gel electrophoresis. PCR copies (amplifies) DNA; gel electrophoresis sorts it by size.
Panics that the Final is "literally everything." It's the eight honest moves plus the worked numbers, not a thousand facts. The back half (Obj 5–8) leans heaviest since the midterm covered 1–4. Study Guide → Exam-Prep Tutorial → Practice Final, in that order.

Scope flag

This outline is pure review of Objectives 1–8 — no new material. The framing extras (the four-act "what life is → the cell & its energy → division & inheritance → the molecular program" map, the recurring audit-the-AI habit, the carried-over mnemonics like PMAT and "genotype is the recipe, phenotype is the cake") are retained context from the term because they make the cures stick; cut them for a leaner 60-minute review. Real science — Mendel's laws, the Krebs and Calvin cycles, the central dogma, Chargaff's rule and Watson/Crick/Franklin in the DNA-structure history, the standard genetic code, PCR/CRISPR — is referenced factually as the discipline's content and history; no fictional quotes are attributed to real scientists, and the instructor and institution remain fictional. Evolution and ecology remain a Bio II block and are out of scope here (evolution appears only as the unifying lens). All worked numbers are pre-computed and were independently re-verified (the load-bearing rule) — the same pre-verified values used on the Final. The Final and its bundle (Study Guide, Exam-Prep Tutorial, Practice Final) are built separately and only referenced here by name. No quiz, discussion, assignment, or lab is built for Week 16 — by the course spine, discussions run every week except W16, and exam weeks replace the quiz, assignment, and lab with the exam; the comprehensive Final is the module's only graded item.

~ Prof. Castellano's edition · Fall 2026 · built with thecoursemaker.com