◆ Biology

What a molecular biologist
really does.

20 tasks, each one witnessed by the sources that watched the job — and behind every one, a prompt you can use tonight.

20evidenced tasks
55,850in the US (2025)
$98,920median pay / year
8systems it runs on
See the 20 tasks ↓Open in the atlasThe full career map →
This is what one task looks like here
Collaborate with other researchers
Share the latest RNA-seq QC summary, the draft methods section, and th…2 sources agree

The shape of the day

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The work, task by task

20 tasks
Hands on the work8
Collaborate with other researchers+
Share the latest RNA-seq QC summary, the draft methods section, and the frozen aliquot inventory with Dr. Elena Morales and the sequencing core this week, ask them to flag any inconsistencies and propose one meeting time on Thursday afternoon.
jdwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Compile and analyze experimental data+
Aggregate raw qPCR and plate reader output, normalise against the housekeeping controls, run the differential expression script and produce a one-page results table with figures and variance estimates by Tuesday noon for the PI to review.
jdwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Write grant applications to obtain funding+
Draft the specific aims, preliminary data figures, and a three-year budget using our mutation load and cohort numbers, then send the draft to Dr. Patel and the departmental grants officer for edits by next Monday so we can submit the institutional routing form.
jdonet2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Interpret experimental results+
Review the latest sequencing and expression data from the knockout experiment, compare observed variant frequencies to expected controls, evaluate whether results support the hypothesis, and write a one-page interpretation with recommended next steps for the PI by Tuesday.
jdonetwiki3 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Maintain and operate laboratory equipment+
Run the weekly maintenance checklist on the real-time PCR and centrifuge units, log calibration readings, replace any consumables out of tolerance, and file the completed equipment log with the lab manager before end of day Friday.
jdonetwiki3 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Analyze molecular interactions and chemical bonds+
Analyze the protein–ligand interaction dataset from last week's pull-downs, map hydrogen bonds and hydrophobic contacts, quantify binding energy differences between wild-type and mutant samples, and return an annotated figure and short results paragraph by Friday.
wiki
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Instruct undergraduate and graduate students+
Design the next quarter's undergraduate and graduate practicals: list learning objectives, required pre-reads, stepwise lab protocols for PCR and gel work, assessment rubrics, and a schedule so instructors can review before term starts.
jd
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Participate in all levels of bioproduct development+
Outline stage-gate tasks for our peptide therapeutic program from discovery through scale-up: key experiments, acceptance criteria, CMC milestones, and who owns each deliverable so we have a clear plan for the next investor update.
jd
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Grow the practice6
Watch and assess4
Work with people1
Keep it safe1

What the work runs on

named inside the evidenced tasks
12 tasksMicrosoft Wordassembles narrative aims, headings, and embedded figures into a grant-ready document for review and institutional submissionOpen its task library → 8 tasksMicrosoft Excelprepares the detailed three-year budget and personnel cost calculations referenced in the proposalOpen its task library →
4 tasksThe MathWorks MATLABprocesses numerical assay output, performs normalisation and statistical comparisons, and generates publication-quality figures
3 tasksMicrosoft PowerPointcreates structured training slides with exercises and assessment materials suitable for instructor-led lab training
1 taskGittracks changes to protocols and data summaries and coordinates collaborative edits for reproducible analysis
1 taskPythonscripted analysis of sequence variants, in silico affinity prediction and data-driven ranking
1 taskMicrosoft Accessstores and queries linked records from inventory and personnel systems when datasets exceed spreadsheets
1 taskAgilent CGH Analyticsgenerates the CNV figures and reports that form the core results to include in the talk
Browse every evidenced software task →

The same task, four heights

this page is height one
ExecuteDo today's task, with fewer mistakesyou are here → ImproveMake it easy for the next person to acceptin the atlas → DecideWork out the right move when it is unclearin the atlas → BecomeLearn the pattern so it stops coming backin the atlas →

Can AI actually do this job?

the honest answer

It can

where it genuinely helps
  • Explain the theory behind the work
  • Draft, tidy and structure your writing
  • Rehearse a hard conversation before you have it
  • Build a study plan that fits your gaps

It cannot

where it stops, completely
  • Be in the room where a molecular biologist actually works
  • Carry the responsibility when the call is wrong — that weight stays yours
  • Notice what no one wrote down: the hesitation, the thing left unsaid
  • Live with the outcome

What the work pays

two countries, two different measures

United States

this exact occupation · BLS 2025
  • $98,920 a year — the middle: half earn more, half earn less
  • The lowest tenth earn near $60,430; the top tenth near $168,010
  • 55,850 people employed in this occupation

India

the occupation GROUP, not this job · PLFS via ILOSTAT 2025
  • ₹38,298 a month — the median for Professionals, the group this work sits in
  • India publishes pay by broad occupation group, so this covers many jobs besides this one. It is a shape, not a salary.
read this carefullyThese two numbers are not comparable and must not be converted into each other. One is a yearly figure for this job alone; the other is a monthly figure for a whole family of jobs. What travels between them is the pattern, not the amount: experience lifts pay almost everywhere.

Where the evidence lives

open any of it yourself
O*NETThe US Department of Labor's own record of this job11 of these tasks Job descriptionsReal postings, in the wild14 of these tasks WikipediaHow the world describes this work8 of these tasks US Bureau of Labor StatisticsPay and employment, by occupation2025 figures UK NOS SFHHCS9Investigate biological specimens and samplesnational standard

Close to this work

12 nearby
BiologyBiochemist27 evidenced tasks BiologyClinical Trial Coordinator27 evidenced tasks BiologyCell Biologist26 evidenced tasks BiologyComputational Biologist26 evidenced tasks BiologyField Biologist26 evidenced tasks BiologyAnimal Caretaker Research Facility23 evidenced tasks BiologyBiotechnologist21 evidenced tasks BiologyVirologist21 evidenced tasks

Questions people actually ask

You usually split time between hands-on lab work and desk tasks. Mornings often run experiments: prepare reagents, run assays that monitor cell characteristics, and operate specialized equipment like Agilent CGH Analytics or PCR machines.

Afternoons go to analyzing and compiling experimental data in MATLAB, Python, or Excel, writing parts of reports or manuscripts in Word, meeting with collaborators, and training or supervising junior staff.

Expect Git for version control of code and protocols, MATLAB or Python for data analysis, and Excel or Access for data tables and sample tracking. PowerPoint and Word are used for presentations and manuscripts.

For lab equipment, you’ll operate specialized instruments (example: Agilent CGH Analytics), and you’ll also maintain general lab devices and follow their software for data export into your analysis tools.

Use AI to draft plain-language summaries, check grammar in grant applications, or generate code snippets for data cleaning in Python or MATLAB. Always verify AI suggestions by checking original data, lab protocols, and literature.

Never feed patient data or confidential experimental results into public AI. Treat AI output as a first draft; a human expert must validate interpretations, calculations, and experimental plans.

According to the U.S. Bureau of Labor Statistics (BLS) for 2025, there were about 55,850 employed molecular biologists with a median annual wage of $98,920. The lowest tenth earned about $60,430, and the top tenth earned about $168,010.

Pay varies by sector: academia, industry, and government differ in benefits and research resources. Use the BLS data as a starting point for salary conversations.

Start with a bachelor’s in biology, biochemistry, or molecular biology. Get lab experience early: internships, undergraduate research, or technician roles where you run assays, maintain lab equipment, and compile experimental data.

Learn MATLAB or Python for data analysis, basic Git for version control, and how to write clear reports and grant drafts in Word. Graduate study (MS/PhD) is common for independent research roles and for supervising projects.

Molecular biologists focus on DNA, RNA, proteins, and cell organization—developing assays, interpreting molecular interactions, and doing lab-based experiments. Microbiologists focus specifically on microbes and their behavior, often including applied areas like waste recycling.

Biomedical engineers design devices and systems (for example, diagnostic machines). Molecular biologists may collaborate with engineers and apply findings to medical or biotechnological solutions, but they do more wet-lab experiments and data analysis.

Data analysis combined with clear communication. Learn Python or MATLAB for analyzing experimental results and Excel or Access for managing samples and resources.

Equally important: practice writing concise reports, grant sections, and PowerPoint slides. You’ll present findings publicly, prepare grant applications, and verify that resources are used as planned, so clear data and clear words matter.