Fri, Dec 4, 2026Fall (Semester 1) · Week 15Day 67 of 7780-min blockCalendar fit

Protein purification lab report

Essential question: What must we understand about lab report to act on it?Enduring understanding: Reasoning from evidence about lab report is how a clinician moves from an observation to a decision.

Safety gate · before any work

  • Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
  • Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.

Do now

Write a lab report that documents your purification results and judges product quality.

DueTonight, 11:29 PM
Hand in
Protein-purification lab report with methods summary, fraction results with purity estimate, and QC conclusion citing gel evidence.
Where
Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

You get two school days for every day you were absent, so this deadline moves with you.

Where you are · this course
GFP, chromatography, SDS-PAGE / gel interpretation, purity and QC. Protein purification lab report ▸ Day 5
Day 67 of 77 this semester10 left before WebXam
🧬 Where you are · PLTW
Medical InterventionsUnit 4: How to Prevail When Organs Fail ▸ Lesson 4.1 Manufacturing Human Proteins"Activity 4.1.3 Protein Purification"
Matched to your live myPLTW course (verified June 2026).
Today's driving question

Write a lab report that documents your results and judges product quality.

Today you'll be able to

Write a lab report that documents your results and judges product quality.

You've got it when
  • You'll be able to document methods and results clearly.
  • You'll be able to judge product quality using your own gel evidence.
Due today · Lab report Required- lab report with methods summary, fraction results with estimate, and QC conclusion citing gel evidence.
Do-Now · start these with your notes closed
  1. What do you already know about lab report?
  2. What would you need to find out to answer today's question?
Do this · step by step
numbered so we can always find our place
  1. 1Gather your data, fraction sheet, and annotated gel.
  2. 2Write a methods summary of your steps in order.
  3. 3Present your results, naming your target fractions and estimated .
  4. 4Conclude whether your passed QC and cite your gel as evidence.
  5. 5Submit your lab report on the class site.
Interrupted or lost? If you were interrupted, reread the last line you wrote, then answer: which step am I on, and did I finish it? Start again from that step.
Optional project open: 072130 Molecular Lab Review - solo or group, about 1.5 to 2 hours total. Due by Fri, Jan 15, 2027. Great WebXam prep.
The story

What did this day actually feel like?

Protein purification lab report

Fractions, gel image, yield calculation, and the late-collection error written into the limitations.

Turned in: lab report → Lab Reports folder

Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.

The comic

The same day, drawn.

Drawing, panel 91: Protein purification lab report.

Fractions, gel image, yield calculation, and the late-collection error written into the limitations.

Panel 91Protein purification lab report · 2026-12-04
Read week 19, 5 panels

Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.

🛠 Get unstuck · pick your level

Run the lab
Work the posted parallel example, reasoning shown, then start your own case.
Absent? Async catch-up
Stuck? Name where your thinking split from the example, then redo just that step.

Lab day: Tier 1 is the whole class at the bench. No extension today.

🔑 Today's words · 5

GFPchromatographyelutionprotein markerpurity
+1 more in the word bank

Tap a word in the lesson for a plain meaning and one example. Recycled into next week's Do-Now.

Today's study notebook
Purifying proteins: chromatography, SDS-PAGE, and separating a protein of interest.
Open the notebook
Watch first: today's 1-minute intro
Audio overviewVideo overviewMind mapStudy guideFlashcardsQuizData table
Where this fits
Tested on (Ohio WebXam)
Genetics of Disease · 072130
PLTW lesson
MI · Lesson 4.1 Manufacturing Human Proteins
WebXam domain
Bio-Molecular Technology
Evidence to produce
Lab report
Lab / skill
Genetic Science Learning Center: Genetics basics and proteins
Do the work · 80-minute blockfirst 5 min = hook

💡 Big idea: A lab report translates raw data into a communicable scientific argument about whether the experiment succeeded.

  1. 0-10Gather data, fraction sheet, and annotated gel
  2. 10-25Write methods summary: steps in chronological order
  3. 25-45Write results section: target fractions named, estimated from gel
  4. 45-60Write conclusion: QC verdict with gel citation
  5. 60-72Revise for clarity and completeness
  6. 72-80Submit lab report to the class site
Mr. Mendoza's 5-minute intro
  • You ran the experiment and read the gel; now you write the record of what happened.
  • A lab report is how scientists communicate results so others can evaluate and repeat them.
  • Today you pull your fraction data and gel annotation together into one structured document.
  • Lab-report writing maps directly to the Lab SOPs and Biotech Research domains on the WebXam.
Know by the end
  • A methods summary is written in past tense and includes enough detail for replication.
  • Results cite specific fraction numbers and band positions, not general impressions.
  • A conclusion makes a claim about QC outcome and backs it with gel evidence.
Open this PLTW section today

GFP, chromatography, SDS-PAGE / gel interpretation, purity and QC. · lab report

Day 5 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.

Do this: Open the lab-report evidence slot in myPLTW for Activities 4.1.3 and 4.1.4 and confirm the - unit is fully closed after submission.

Complete

Mark the lab-report entry complete and attach your submitted lab report.

How far to get

SDS-PAGE gel and QC statement should be done (Thursday); - unit fully closed today.

Upload as evidence

- lab report submitted as the final tracker evidence for this unit.

The official PLTW activity stays inside myPLTW. If myPLTW will not open, use F1 and E1-E3 on this page to complete today's local evidence decision, then make up the official activity when access returns. Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

Today's PLTW tracker · fill in and submit

Check things off as you work, then submit. This tells Mr. Mendoza how you're doing so he can help the class. It does not replace turning in your producible through the submission route shown below.

Use the code Mr. Mendoza gave you, not your name. Saved on this device.

GFP, chromatography, SDS-PAGE / gel interpretation, purity and QC.Day 5 of this projectSee the full week plan
Today's PLTW target

GFP, chromatography, SDS-PAGE / gel interpretation, purity and QC. · Protein purification lab report

Open the lab-report evidence slot in myPLTW for Activities 4.1.3 and 4.1.4 and confirm the - unit is fully closed after submission.

SDS-PAGE gel and QC statement should be done (Thursday); - unit fully closed today.

This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.

1 · What you do today

🎯 Write a lab report that documents your results and judges product quality.

  • Gather your data, fraction sheet, and annotated gel.
  • Write a methods summary of your steps in order.
  • Present your results, naming your target fractions and estimated .
  • Conclude whether your passed QC and cite your gel as evidence.
  • Submit your lab report on the class site.
2 · What you turn in

Lab report: - lab report with methods summary, fraction results with estimate, and QC conclusion citing gel evidence.

Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Use the checklist just below and upload by 11:29 PM for full credit. Absent with an excused absence? You get two school days for every day you were absent, so this deadline moves with you.

3 · Who's doing what (team)
TaskWho
Gather your data, fraction sheet, and annotated gel._______
Write a methods summary of your steps in order._______
Present your results, naming your target fractions and estimated ._______
Conclude whether your passed QC and cite your gel as evidence._______
Submit your lab report on the class site._______

Working solo? Put your own name in "Who" for every row.

4 · Words I can use correctly
5 · I'm successful today when I can…
  • You'll be able to document methods and results clearly.
  • You'll be able to judge product quality using your own gel evidence.
6 · Reflection & next steps
Where are you today?0/7 checked
Pick your period and code first.
Your 4 steps today
  1. 1
    Do this
    Write a lab report that documents your purification results and judges product quality.
  2. 2
  3. 3
    Submit this
    Lab report: Protein-purification lab report with methods summary, fraction results with purity estimate, and QC conclusion citing gel evidence.
  4. 4
    Submit it here
    1. 1Open the drop folder.
    2. 2Sign in with your district Microsoft account, not a personal one.
    3. 3Upload the file, named Lastname_Firstname__Assignment Title.
    4. 4Your own upload panel says Uploaded with a green check: that is your receipt.
    Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Genetics of Disease (Medical Interventions) › GFP, chromatography, SDS-PAGE / gel interpretation, purity and QC. › Lab report
    Open the drop folder
Were you absent? Jump to the make-up plan
Learn it · deck, reading, and vocabulary
Socratic teaching slide deck

The deck carries the prior idea forward, lets you inspect an analogy, maps the rule to biology, and ends with the same evidence decision and exit ticket used on this page.

Generated from this lesson's canonical data with a red-team citation check.

Carry forward

SDS-PAGE sorts proteins by size alone because SDS erases charge and shape, so the band pattern reveals both your target's molecular weight and how many contaminants remain.

Daily take-home

A lab report translates raw data into a communicable scientific argument about whether the experiment succeeded.

Inspect the analogy

A library keeps a master plan protected while working copies guide production at different stations.

  1. Why protect the master copy?
  2. What information moves?
  3. Where can an error change the final product?
Rule

Stored information can be copied, read, and converted into a functional product.

Where it breaks

Genes are regulated biological sequences, not conscious instructions, and one gene rarely determines a whole trait alone.

Map the analogy to biology
  • Master plan maps to DNA.
  • Working copy maps to RNA.
  • Production output maps to or a regulated cell function.
Read this first

Driving question: Write a lab report that documents your results and judges product quality.

What you already know: SDS-PAGE sorts proteins by size alone because SDS erases charge and shape, so the band pattern reveals both your target's molecular weight and how many contaminants remain.

New idea: A lab report translates raw data into a communicable scientific argument about whether the experiment succeeded.

Visual or model: F1. F1. A lesson illustration or teaching diagram for Protein purification lab report. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision.

  1. Observe or measure the relevant feature in lab report.
  2. Organize the observation with a stable evidence ID.
  3. Apply this rule: Stored information can be copied, read, and converted into a functional product.
  4. Choose the option the evidence supports and state the limit of the conclusion.

Real biomedical example: Write a lab report that documents your results and judges product quality.

What the evidence supports: E1-E3 and F1 support the daily take-home when the response meets the stated success criteria.

What it cannot prove: The package does not support claims beyond this lesson's or any real patient diagnosis.

Vocabulary:
  • GFP: Green fluorescent , taken from a jellyfish, that glows green under blue or ultraviolet light and is used to tag and watch cells or genes.
  • : A lab technique that separates a mixture into its parts based on how fast each component travels through a material like paper or a gel.
  • : The step in a separation method where a solvent washes the target molecule off a column or material so it can be collected in pure form.
  • : A specific whose presence signals a particular cell type, disease, or biological state, used to identify or track it.
  • : How free a sample is from contaminating substances, often given as the percentage of the sample that is the intended compound.
  • QC: Quality control, the routine checks and known samples used in a lab to confirm tests and instruments are working correctly and giving reliable results.

Use it now: Choose one decision option. Cite E1 and E3, then explain how the rule connects the evidence to your choice.

Go further, optional: The source links below are optional enrichment. Every fact required for today's local evidence decision appears in this lesson package.

Evidence set and decision
E1 · Observation

A methods summary is written in past tense and includes enough detail for replication.

Limit: E1 supplies context or an observation; it does not by itself establish the explanation.

E2 · Mechanism

A lab report translates raw data into a communicable scientific argument about whether the experiment succeeded.

Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.

E3 · Result

You'll be able to document methods and results clearly.

Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.

PLTW-GEND-2026-12-04 · Simulated classroom evidence scenario

Your role: medical interventions team member

Decision: Your team must decide what the evidence from lab report supports before submitting the lab report named on the lesson page.

  • Proceed because the readiness evidence is complete.
  • Pause and correct the named setup or gap.
  • Repeat the measurement because quality controls are not acceptable.

Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the lab report.

Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about lab report. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.

Design record
Criteria
  • The solution must address the stated need in lab report.
  • The decision must be supported by E1-E3.
  • The final product must make the success criteria visible.
Constraints
  • Complete the work inside the 80-minute block.
  • Use only supplied or teacher-approved materials and evidence.
  • Do not trade , accessibility, or privacy for speed.
Tradeoff weights
  • and evidence quality: must pass before scoring other criteria.
  • User need and effectiveness: highest scored criterion.
  • Time, cost, and ease of use: compare only after and effectiveness pass.

Test evidence: For each option, record the E1-E3 result that supports or fails each criterion. Do not assign a score without a named observation.

Iteration log
  1. Version or option tested
  2. Criterion met or missed
  3. Evidence ID and result
  4. Revision made
  5. Reason for the revision
Decision record
  1. Need and user
  2. Criteria and constraints
  3. Chosen option and evidence
  4. Test result
  5. Revision and reason
Portal terms
CER:
Claim, Evidence, Reasoning: make a claim, back it with evidence, explain your reasoning.
SOP:
Standard Operating Procedure, the exact steps to follow (especially in a lab).
Tracker:
Your PLTW progress log where you record completed evidence.
myPLTW:
The PLTW course site where you do the online activities. Find it in Clever with your Microsoft sign-in, right next to Schoology.
This unit's vocabulary
(Green Fluorescent Protein)/kroh-muh-TOG-ruh-fee/(Quality Control)

Tap the speaker to hear a term. Add two of these to your notebook glossary with a definition and an example in your own words.

Build your vocabulary · optional, for extra credit

Pick just 2 or 3 words from today and make them yours: write what each one means in your own words, name the context clue or evidence that helped, then give one example from what you actually did in Protein purification lab report. Try your own words first; the glossary is there if you get stuck. This is voluntary and counts as extra credit, so keep it short.

GFP
chromatography
elution
protein marker
purity
QC

Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.

Teacher-posted resources

Classroom documents for this lesson are posted in Schoology. Open Clever, then Schoology, and find each one by the name shown on its card.

Use during lessonFor: Everyone
Activity 4.1.3 Protein Purification (Chromatography)
worksheet/handoutPosted in Schoology
Open in Schoology

Open this when the class reaches this activity and use it to complete the required lesson artifact.

Placement rationale

Matched and quality control by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.1_Manufacturing-Human-Proteins; keywords:protein purification, gfp, . Score 150. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Use during lessonFor: Everyone
4.1.3 Protein Purification by Column Chromatography Student Guide
worksheet/handoutPosted in Schoology
Open in Schoology

Open this when the class reaches this activity and use it to complete the required lesson artifact.

Placement rationale

Matched and quality control by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.1_Manufacturing-Human-Proteins; keywords:protein purification, gfp, . Score 150. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Catch-up / reteachFor: Need extra support
GFP Purification Bio-Rad Quick Guide
worksheet/handoutPosted in Schoology
Open in Schoology

Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.

Placement rationale

Matched and quality control by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.1_Manufacturing-Human-Proteins; keywords:gfp, . Score 142. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

How to get there: open Clever and sign in with your Microsoft (district) account. Both myPLTW and Schoology are in Clever. Do the activity in myPLTW. Turn the work in on this site or hand it to Mr. Mendoza, because that is the step that counts as submitted. Schoology only shows your report-card grade later.

Check yourself · commit, then reveal

Claim ceiling for this check: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about lab report. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.

WebXam-style practice
Tap an answer to check it · nothing is recorded or graded
A single protein was denatured and run on a gel, producing four bands (two small and two large). What can you infer?
In the GFP purification activity, the desired hydrophobic protein is finally released from the chromatography column by adding a
Why must purity be checked with gel electrophoresis before a human protein product can be sold?
In protein purification, after the cells are ruptured with lysozyme and centrifuged, which part is saved?
Cumulative WebXam review · flash practice

Fast retrieval with instant answers, not the commit-then-reveal check above. Try each from memory first: write what you remember about the earlier units, then check yourself here.

Tap an answer to check it · nothing is recorded or graded
[Review: Heat Maps and Hunches: Reading Gene Expression] On a microarray, a saturated YELLOW spot tells a scientist that the gene is
[Review: From Biopsy to Plan: Treating Cancer] A tumor suppressor gene that cannot correct damage will trigger apoptosis. Apoptosis is
[Review: Building a Gene Factory: Cloning Basics] Transformed bacteria are plated on agar containing an antibiotic because the plasmid also carries an antibiotic-resistance gene. This step
A single protein was denatured and run on a gel, producing four bands (two small and two large). What can you infer?
Go further and get help
Lab · prepare, conduct, complete
1Prepare
Pre-lab pass · clear all six to go to the bench
0/6

I can name the procedure's purpose and the evidence I will record. I can identify each named hazard and the control that reduces it: Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start. My data table is ready before materials are handled.

Finish the checklist before you handle any material.

Bring / set up
Chromatography column and buffersGFP-containing protein sampleCollection tubes for elution fractionsSDS-PAGE gel and protein marker ladderUV light source for GFP detectionMicropipette and tipsSafety goggles and nitrile gloves
Safety · specific to today's hazards
  • Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
  • Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.
Review Lab Safety (rules, PPE, SDS, emergencies) and check your contract + test
2Conduct (Argument-Driven Inquiry)
  1. 1Before materials are handled, identify the purpose, variables or comparison, controls, measurement units, and stop-work condition.
  2. 2Gather your chromatography data, fraction sheet, and annotated gel.
  3. 3Write a methods summary of your purification steps in order.
  4. 4Present your results, naming your target fractions and estimated purity.
  5. 5Conclude whether your protein passed QC and cite your gel as evidence.
  6. 6Submit your protein purification lab report on the class site.
  7. 7Record each result in the prepared table before interpreting it. Mark missing, repeated, or invalid results truthfully.
  8. 8Complete the named cleanup and waste route, remove PPE safely, wash hands when required, and confirm the station is ready for the next group.
Prepare this data table before materials are handled
Trial or sample IDIndependent conditionMeasured result with unitsObservation before interpretationQuality-control note
     
     
     
Genetic Science Learning Center: Genetics basics and proteins
3Complete
Argue from your evidence, then compare what you predicted to what happened. Error analysis names a specific method limit, never "human error".
You predicted

Before the procedure, predict the result and cite the rule behind the prediction.

What actually happened

After the procedure, compare the result with the prediction and name one limitation or source of uncertainty.

Your lab report is graded on the rubric below, with extra weight on error analysis and method.
Where this leads: careers

What today's skills lead to. These are real health-science careers this course builds toward. Tap one to see, on the US Department of Labor's O*NET site, what the job actually involves, what it pays, and how fast it is growing.

What to do if you were absent
This one used the bench

The bench work needs equipment you do not have at home. Do the thinking half now: read the procedure, write your prediction, and set up your data table so it is ready.

Back in class. Ask Mr. Mendoza for the class data set, or for a bench slot to run it yourself. Do not submit a Lab report with invented numbers.

If MR. MENDOZA is absent

Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:

Genetic Science Learning Center: Genetics basics and proteins
Optional extra credit (async)

You've passed Unit 2, so the optional extra-credit track is open. Complete reserved-unit work from home, including virtual labs, for extra credit. Each item shows its correct submission route.

Open the extra-credit track
How this is graded
For: Lab report: Protein-purification lab report with methods summary, fraction results with purity estimate, and QC conclusion citing gel evidence.
  • Complete
    Every required part of the artifact is present, nothing left blank.
  • Accurate
    The science and the data are correct and match the evidence.
  • Scientific reasoning
    You explain your claim with evidence and reasoning (CER), not just an answer.
  • Professional communication
    Clear, organized, labeled, and written the way a clinician or scientist would.
  • Submitted
    Turned in the right way, on the class site or handed to Mr. Mendoza in class, and confirmed. Not in Schoology: that is where the report-card grade appears later.
  • Error analysis and method · counts double
    Name a specific limit of the method and how it moved your result, and compare what you predicted to what happened. "Human error" does not count; say what about the procedure or instrument caused it.