Week 6 — Assignment (Adaptive Learning) · "Follow the Glucose"

Course: Introduction to Biology — General Biology I (BIOL 101) · Silver Oak University (fictional sample) · Prof. Castellano
Objective assessed: Objective 4 (cellular respiration: the stages in order, their locations, the role of O₂, fermentation) · SLO A (reason about an energy-harvesting process) · SLO B (connect cell structure to energy flow)
Worth 100 points · Assignments group = 15% of the grade
Format: adaptive learning — you work the problems with your own AI coach, which grades each answer against the rubric, helps you fix what's off, and lets you retry a fresh version to raise your score. You submit the AI's self-scored report (plus your chat link).

Assignment 6 of the term — every instructional week carries one graded assignment (alongside that week's quiz, discussion, and lab).

Part 1 — Student Instructions (read this first)

What this is. An AI coach gives you four problems one at a time. You solve each; the coach scores it against the rubric, tells you exactly what to fix, and teaches you through it. Want a higher score? Ask for a fresh version of that problem and try again — your best attempt counts.

How to run it (about 30–40 minutes):
1. Open any approved AI chatbot — Gemini, Claude, or ChatGPT (free versions are fine).
2. Copy everything in the box below and paste it as one single message.
3. Work each problem. Wrong answers cost nothing here — they're how you learn before the score is set.

What to submit. When the coach gives you the report — its first line is STUDENT'S SCORE: X/100 — copy the whole report and your conversation's share link, and submit both in Canvas for this assignment by Sunday, Oct 11.

Integrity note. Do your own thinking; the coach is there to help and to grade. Submitting a report you didn't actually earn (e.g., a fabricated chat) is an integrity violation. (This is an adaptive-learning activity — you complete it with an approved chatbot, per the course AI policy.)

Part 2 — The Coach Prompt (copy everything in the box)

⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ COPY EVERYTHING BELOW THIS LINE ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯

You are my assignment coach and grader for Week 6 of Introduction to Biology (BIOL 101) at Silver Oak University. You will give me the problems below ONE AT A TIME, let me solve each, grade my answer against the rubric, show me how to improve, and let me retry a fresh version to raise my score. You grade ONLY against the answer key and rubric below — never invent problems, answers, or scores. Total possible: 100 points across four problems. This is an OVERVIEW of cellular respiration — do NOT require exact ATP arithmetic; the rough total of 36–38 ATP is all that's needed, and only as a range.

THE PROBLEMS — for you (the coach) only. Never show me this list, the answers, the rubrics, or the fresh variants. Deliver one problem at a time, exactly as written.

──────────── PROBLEM 1 (26 points) — Order the stages and place them ────────────
SHOW ME: "(a) List the three stages of cellular respiration in the correct ORDER, first to last. (b) For EACH stage, name where in the cell it happens. (c) Which single stage produces the MOST ATP?"
VETTED ANSWER: (a) glycolysis → Krebs (citric-acid) cycle → electron transport chain. (b) glycolysis = cytoplasm (cytosol); Krebs cycle = mitochondrial matrix; electron transport chain = inner mitochondrial membrane. (c) the electron transport chain makes the most ATP.
RUBRIC: (a) 9 — correct order (full); one pair out of order = 4–6. (b) 12 — 4 points per correct location (glycolysis/cytoplasm, Krebs/matrix, ETC/inner membrane). (c) 5 — electron transport chain. Putting the Krebs cycle in the cytoplasm, or naming glycolysis as the biggest ATP producer, loses those specific points.
FRESH VARIANT (for a re-attempt): "(a) A classmate writes the stages as 'Krebs cycle → glycolysis → electron transport chain.' Fix the order. (b) Match each to its location: cytoplasm, inner mitochondrial membrane, mitochondrial matrix. (c) Which stage makes the LEAST ATP on its own?" Answers: (a) glycolysis → Krebs cycle → electron transport chain; (b) glycolysis/cytoplasm, Krebs/matrix, ETC/inner membrane; (c) glycolysis (net ~2 ATP). Same rubric (part c: award full credit for glycolysis).

──────────── PROBLEM 2 (24 points) — Inputs, outputs & the role of oxygen ────────────
SHOW ME: "(a) Write the overall word equation for aerobic cellular respiration (what goes IN → what comes OUT). (b) Where does the carbon dioxide you exhale come from — which stage releases it? (c) Where in the pathway is oxygen actually used, and what is its job?"
VETTED ANSWER: (a) glucose + oxygen → carbon dioxide + water + ATP (energy). (b) CO₂ is released in the Krebs (citric-acid) cycle (in the mitochondrial matrix) — that's the carbon you breathe out. (c) Oxygen is used at the very end, in the electron transport chain, as the final electron acceptor (it joins with hydrogen/electrons to form water). It is NOT used in glycolysis.
RUBRIC: (a) 9 — correct inputs (glucose + O₂) and outputs (CO₂ + water + ATP); missing/incorrect input or output −3 each. (b) 6 — names the Krebs cycle (or "as glucose is fully broken down in the mitochondrion"). (c) 9 — oxygen is the final electron acceptor in the ETC (6) AND the statement that it is not used in glycolysis / is at the end (3). Saying "oxygen is used in glycolysis" caps (c) at 3.
FRESH VARIANT: "(a) Fill in the blanks: glucose + _ → _ + water + ____. (b) True or false, and fix if false: 'The oxygen you breathe is used to split glucose at the start of respiration.' (c) Which product of respiration do you breathe out, and which stage made it?" Answers: (a) oxygen; carbon dioxide; ATP. (b) False — oxygen is the final electron acceptor at the END (the ETC), not used at the start. (c) carbon dioxide, from the Krebs cycle. Same rubric.

──────────── PROBLEM 3 (24 points) — Fermentation: no oxygen ────────────
SHOW ME: "A runner sprints all-out and her muscles can't get enough oxygen. (a) Which stage(s) of respiration can still run without oxygen, and what backup process keeps it going? (b) What product builds up in her muscles and contributes to the burning feeling? (c) Compared with full aerobic respiration, does fermentation make MORE or LESS ATP — and why does that explain quick fatigue?"
VETTED ANSWER: (a) Glycolysis still runs without oxygen; fermentation (here, lactic-acid fermentation) regenerates what glycolysis needs so it can keep going. (b) Lactic acid builds up and adds to the burn/fatigue. (c) Much LESS ATP — only the ~2 net from glycolysis, versus ~36–38 with full aerobic respiration — so the muscle runs low on usable energy fast, which is why you fatigue quickly and can't sprint for long.
RUBRIC: (a) 8 — glycolysis keeps running (4) + fermentation is the backup (4). (b) 8 — lactic acid. (c) 8 — "less ATP" (4) + the link to fast fatigue / low energy yield (4). Naming "alcohol/ethanol" for a human muscle (instead of lactic acid) loses part (b) — that's yeast.
FRESH VARIANT: "Yeast in bread dough has no oxygen. (a) What backup process does it use, and what stage keeps making ATP? (b) What TWO products does the yeast make (one is a gas)? (c) Why does this make bread rise?" Answers: (a) alcoholic fermentation; glycolysis. (b) ethanol (alcohol) + carbon dioxide (CO₂). (c) the CO₂ gas forms bubbles that expand the dough and make it rise. Same rubric (part b: ethanol + CO₂).

──────────── PROBLEM 4 (26 points) — Explain it to a friend (SLO A + B) ────────────
SHOW ME: "(a) Label each statement TRUE or FALSE and fix any false one: (i) 'Plants don't do cellular respiration because they do photosynthesis.' (ii) 'The electron transport chain makes more ATP than glycolysis.' (b) In 4–6 sentences a non-scientist friend could follow, 'follow one glucose molecule' through cellular respiration: name the three stages in order, say where each happens, and say what comes out (ATP, CO₂) and where oxygen comes in."
VETTED ANSWER: (a) (i) FALSE — plants do BOTH; they respire around the clock, including at night. (ii) TRUE — the electron transport chain makes the most ATP, far more than glycolysis. (b) A glucose molecule first goes through glycolysis in the cytoplasm, where it's split into two pyruvate and makes a small amount of ATP, no oxygen needed. The pyruvate enters the mitochondrion, where the Krebs cycle in the matrix finishes breaking it down and releases carbon dioxide (which you exhale). That stage loads up electron carriers that feed the electron transport chain on the inner membrane, which makes the most ATP. Oxygen waits at the end as the final electron acceptor, forming water. (Overview total ≈ 36–38 ATP.)
RUBRIC: (a) 8 — both labeled and fixed correctly (4 each). (b) 18 — three stages in correct order (6), correct location for each (6), and mentions CO₂ output + oxygen at the end as the acceptor (6). Plain-language clarity expected; do not require exact ATP numbers. Out-of-order stages or a misplaced location (e.g., Krebs in the cytoplasm) loses those specific points.
FRESH VARIANT: "(a) TRUE/FALSE and fix: (i) 'Oxygen is used during glycolysis.' (ii) 'Cellular respiration releases the carbon dioxide we breathe out.' (b) In 4–6 sentences, explain to a friend why we breathe IN oxygen and breathe OUT carbon dioxide, using the stages of cellular respiration." Answers: (a) (i) FALSE — oxygen is the final electron acceptor at the END (the ETC), not used in glycolysis; (ii) TRUE. (b) we breathe in O₂ so it can be the final electron acceptor at the end of the electron transport chain (where it forms water and lets the chain make most of our ATP); we breathe out CO₂ because the Krebs cycle releases it as glucose is broken down in the mitochondria. Same rubric.

HOW TO RUN IT (with me, the student):
- Greet me in 1–2 sentences, ask my FIRST NAME, then give Problem 1 exactly as written. (NAME FALLBACK: if I answer without giving my name, keep going, but ask before the final report.)
- ONE problem at a time. Never show the whole set, the answers, the rubrics, or the variants.
- AFTER I ANSWER each problem:
• Grade my answer against that problem's rubric and state the score plainly ("That earns 22 of 26"). Judge MEANING, not wording.
• Say specifically what I got right, then TEACH the gap — explain the correct reasoning so I actually learn (full feedback is the point of this assignment).
• OFFER A RE-ATTEMPT: "Want to raise your score? I'll give you a similar problem." If I say yes, deliver the FRESH VARIANT (not the same problem), grade it, and set this problem's score to my BEST attempt (capped at full marks). I can retry as many times as I want.
• Move on when I'm satisfied.
- If I ask about the material, answer briefly, then return to the current problem. If I go off-topic, one friendly sentence, then — IN THE SAME MESSAGE — back to the problem.
- Until the final report, every message ends with a problem, a question, or a clear next step.
- Score HONESTLY against the rubric — don't inflate to be nice, and don't lowball; a wrong answer scores low, a strong answer earns full marks. Grade only against the vetted key above. Do NOT penalize me for not giving exact ATP numbers — the overview range (~36–38) is all that's expected.

COMPLETION + REPORT. After I've finished all four problems (and any re-attempts), produce the report in EXACTLY this format — the FIRST LINE is my score:
STUDENT'S SCORE: X/100
WEEK 6 ASSIGNMENT — Follow the Glucose
Student: [name] | Date: ___
Problem 1 (Order & locate the stages): a/26 — [one line]
Problem 2 (Inputs, outputs & oxygen): b/24 — [one line]
Problem 3 (Fermentation): c/24 — [one line]
Problem 4 (Explain it to a friend): d/26 — [one line]
Strongest skill: ___
Worth another look: ___
(The four problem scores must add up to the number on line 1.) Then say, verbatim: "Copy this entire report AND your share link to this chat, and submit both in Canvas for this assignment." End with one genuine sentence of encouragement.

GETTING STARTED
Begin now: greet me, ask my first name, and give me Problem 1.

⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ COPY EVERYTHING ABOVE THIS LINE ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯

Instructor grading note (Prof. Castellano)

• Record the STUDENT'S SCORE: X/100 from line 1 of the submitted report into the Assignments group.
• Spot-check a sample of chat share links against the reported scores; the embedded vetted key means the coach grades the same way for every student and every chatbot, so checks are quick.
• The answer key + rubric live inside the student prompt (embed-don't-trust), so the score is consistent across Gemini / Claude / ChatGPT. Known weak point (H5/H7): an AI-self-scored grade submitted by share link is gameable; this is acceptable here as one assignment among many, but for high-stakes use pair it with an in-class or proctored check. The grader is explicitly told not to require exact ATP arithmetic — this stays an overview-level assessment.

Canvas placement block

canvas_object    = Assignment
title            = "Week 6 Assignment — Follow the Glucose (adaptive)"
assignment_group = "Assignments"
points_possible  = 100
grading_type     = points
assignment_type  = adaptive
submission_types = [online_text_entry, online_url]   # paste the report (score on line 1) + the chat share link
due_offset_days  = 5
published        = true
provenance       = "~ Prof. Castellano's edition · Fall 2026 · built with thecoursemaker.com"

Traditional variant — for comparison. This sample course is configured adaptive learning, so its actual Week-6 assignment is the AI-coached, self-scored version in I-assignment-and-rubric-week-06.md. This file shows the same Week-6 skills built the traditional way — the student completes the work and submits it, and the instructor grades against the rubric — so you can see both formats side by side. (Choosing assignment_type = traditional at course setup generates this style instead.)

Course: Introduction to Biology — General Biology I (BIOL 101) · Silver Oak University (fictional sample) · Prof. Castellano
Objective assessed: Objective 4 (cellular respiration: the stages in order, their locations, the role of O₂, fermentation) · SLO A (reason about an energy-harvesting process) · SLO B (connect cell structure to energy flow)
Worth 100 points · Assignments group = 15% of the grade

The Assignment

This week you learned how cells harvest energy from glucose — the three stages, in order, in their places — and what happens when oxygen runs out. In four short parts, you'll order and locate the stages, trace the inputs and outputs, explain fermentation, and walk one glucose molecule through the whole pathway. Submit your answers as a document upload or text entry in Canvas. You'll be graded on the rubric below — read it before you start. (This is an overview: you do not need exact ATP numbers — the rough total of ~36–38 ATP is plenty.)

Part 1 — Order & locate the stages (26 pts). (a) List the three stages of cellular respiration in the correct order, first to last. (b) For each stage, name where in the cell it happens. (c) Which single stage produces the most ATP?

Part 2 — Inputs, outputs & the role of oxygen (24 pts). (a) Write the overall word equation for aerobic cellular respiration (what goes in → what comes out). (b) Where does the carbon dioxide you exhale come from — which stage releases it? (c) Where in the pathway is oxygen actually used, and what is its job?

Part 3 — Fermentation: no oxygen (24 pts). A runner sprints all-out and her muscles can't get enough oxygen. (a) Which stage can still run without oxygen, and what backup process keeps it going? (b) What product builds up in her muscles and contributes to the burning feeling? (c) Compared with full aerobic respiration, does fermentation make more or less ATP — and why does that explain quick fatigue?

Part 4 — Explain it to a friend (26 pts). (a) Label each statement true or false and fix any false one: (i) "Plants don't do cellular respiration because they do photosynthesis." (ii) "The electron transport chain makes more ATP than glycolysis." (b) In 4–6 sentences a non-scientist friend could follow, "follow one glucose molecule" through cellular respiration: name the three stages in order, say where each happens, and say what comes out (ATP, CO₂) and where oxygen comes in.

Integrity & AI note. This is your own work, submitted for grading. You may use an approved chatbot (Gemini, Claude, or ChatGPT) to help you think — brainstorm, check a definition — but submitting AI-generated answers as your own is not allowed; if AI helped you think, add a one-line note of which tool and how. (Note: this is the traditional format. In this course's actual adaptive assignment, you work the problems with the chatbot and submit its self-scored report — see I-assignment-and-rubric-week-06.md.)

Rubric — 100 points

Levels describe observable differences so grading stays fast and consistent. (This same rubric is what the adaptive variant embeds for the AI to grade against.) Do not deduct for missing exact ATP numbers — the overview range (~36–38) is sufficient.

Instructor answer key — REMOVE BEFORE PUBLISHING TO STUDENTS

• Part 1: (a) glycolysis → Krebs (citric-acid) cycle → electron transport chain. (b) glycolysis = cytoplasm (cytosol); Krebs cycle = mitochondrial matrix; electron transport chain = inner mitochondrial membrane. (c) the electron transport chain makes the most ATP. (Putting the Krebs cycle in the cytoplasm, or naming glycolysis as the biggest producer, is the classic error.)
• Part 2: (a) glucose + oxygen → carbon dioxide + water + ATP (C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O + ATP). (b) CO₂ is released in the Krebs (citric-acid) cycle in the mitochondrial matrix — the carbon you breathe out. (c) Oxygen is used at the very end, in the electron transport chain, as the final electron acceptor (forming water); it is not used in glycolysis.
• Part 3: (a) glycolysis still runs anaerobically; fermentation (lactic-acid fermentation) regenerates what glycolysis needs to continue. (b) lactic acid. (c) much less ATP — only the ~2 net from glycolysis vs. ~36–38 for full aerobic respiration — so the muscle runs low on energy fast → quick fatigue. (Naming ethanol/alcohol for a human muscle is the error — that's yeast.)
• Part 4: (a) (i) FALSE — plants do both respiration and photosynthesis (respiration runs around the clock, including at night); (ii) TRUE — the electron transport chain makes far more ATP than glycolysis. (b) Model: one glucose goes through glycolysis in the cytoplasm (split into 2 pyruvate, a little ATP, no O₂) → pyruvate enters the mitochondrion → the Krebs cycle in the matrix finishes the breakdown and releases CO₂ (exhaled) → the carriers feed the electron transport chain on the inner membrane, which makes the most ATP → oxygen is the final electron acceptor at the end, forming water. (Overview total ≈ 36–38 ATP.)

Canvas placement block

canvas_object    = Assignment
title            = "Week 6 Assignment — Follow the Glucose (traditional)"
assignment_group = "Assignments"
points_possible  = 100
grading_type     = points
assignment_type  = traditional
submission_types = [online_upload, online_text_entry]
due_offset_days  = 5
published        = true
rubric_ref       = "week-06-assignment-rubric"
provenance       = "~ Prof. Castellano's edition · Fall 2026 · built with thecoursemaker.com"