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GTF3A

GTF3A is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand GTF3A rather than just read about it. In short: Transcription factor IIIA is a protein that in humans is encoded by the GTF3A gene. It was first purified and identified as the first mammalian gene-specific activator by Robert G.

GTF3A — main illustration
GTF3A — illustration

Key takeaways

  • GTF3A belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect GTF3A to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of GTF3A from memory before moving on to harder problems.

Reference excerpt

Transcription factor IIIA is a protein that in humans is encoded by the GTF3A gene. It was first purified and identified as the first mammalian gene-specific activator by Robert G. Roeder in 1980, and later characterized by Wolffe and Brown in 1988. The TFIIIA in Xenopus was the first zinc finger protein discovered.

References

Further reading

External links GTF3A+protein,+human at the U.S. National Library of Medicine Medical Subject Headings (MeSH) This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Illustrations

GTF3A illustration
GTF3A illustration
GTF3A illustration
GTF3A illustration

Worked examples

Example 1 — a first encounter with GTF3A

Start with the simplest possible case. Write down what GTF3A claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to GTF3A before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about GTF3A ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of GTF3A

In research
GTF3A appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses GTF3A in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
GTF3A is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 13, Protein stubs, Transcription factors, so understanding it makes those chapters shorter.
In everyday life
Look for GTF3A outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study GTF3A in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what GTF3A means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain GTF3A out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is GTF3A in simple terms?

Transcription factor IIIA is a protein that in humans is encoded by the GTF3A gene. It was first purified and identified as the first mammalian gene-specific activator by Robert G.

Why does GTF3A matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study GTF3A?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on GTF3A.

Tags

  • Genes on human chromosome 13
  • Protein stubs
  • Transcription factors

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