biology

KIF18A

KIF18A 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 KIF18A rather than just read about it. In short: Kinesin family member KIF18A is a human protein encoded by the KIF18A gene. It is part of the kinesin family of motor proteins.

Key takeaways

KIF18A belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect KIF18A to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of KIF18A from memory before moving on to harder problems.

Reference excerpt

Kinesin family member KIF18A is a human protein encoded by the KIF18A gene. It is part of the kinesin family of motor proteins.

Function KIF18A is a plus-end directed motor protein, and migrates to the plus ends of the spindle during early mitosis. It first accumulates there during prophase and metaphase, and is depleted during anaphase. KIF18a(-/-) knockout in mice results in complete sterility in males, but not females, due to abnormal development of the seminiferous tubules. The mice were otherwise normal, suggesting KIF18a is not essential for cell divisions in non-germ cells.

Therapeutic Target KIF18A has been considered as a cancer target because it is overexpressed in many cancer types and mouse studies suggest it is dispensable in somatic cells. As such, small molecule inhibitors of KIF18A have been developed to block its activity.

References

Illustrations

Worked examples

Example 1 — a first encounter with KIF18A

Start with the simplest possible case. Write down what KIF18A 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 KIF18A 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 KIF18A 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 KIF18A

In research: KIF18A 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 KIF18A 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: KIF18A is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 11, Human chromosome 11 gene stubs, Human proteins, so understanding it makes those chapters shorter.
In everyday life: Look for KIF18A 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 KIF18A in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what KIF18A means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain KIF18A out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is KIF18A in simple terms?

Kinesin family member KIF18A is a human protein encoded by the KIF18A gene. It is part of the kinesin family of motor proteins.

Why does KIF18A 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 KIF18A?

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 KIF18A.