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biology

PALM

PALM 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 PALM rather than just read about it. In short: Paralemmin is a protein that in humans is encoded by the PALM gene. This gene encodes a member of the paralemmin protein family.

PALM — main illustration
PALM — illustration

Key takeaways

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

Reference excerpt

Paralemmin is a protein that in humans is encoded by the PALM gene. This gene encodes a member of the paralemmin protein family. Other members of this family include CAP-23, GAP-43, MARCKS, and MacMARCKS. The product of this gene is a prenylated and palmitoylated phosphoprotein that associates with the cytoplasmic face of plasma membranes and is implicated in plasma membrane dynamics in neurons and other cell types. Several alternatively spliced transcript variants have been identified, but the full-length nature of only two transcript variants has been determined.

References

Further reading

Illustrations

PALM illustration
PALM illustration
PALM illustration
PALM illustration
PALM illustration

Worked examples

Example 1 — a first encounter with PALM

Start with the simplest possible case. Write down what PALM 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 PALM 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 PALM 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 PALM

In research
PALM 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 PALM 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
PALM is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 19, Human chromosome 19 gene stubs, so understanding it makes those chapters shorter.
In everyday life
Look for PALM 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 PALM in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what PALM 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 PALM out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is PALM in simple terms?

Paralemmin is a protein that in humans is encoded by the PALM gene. This gene encodes a member of the paralemmin protein family.

Why does PALM 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 PALM?

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 PALM.

Tags

  • Genes on human chromosome 19
  • Human chromosome 19 gene stubs

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