biology

Urea transporter 2

Urea transporter 2 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 Urea transporter 2 rather than just read about it. In short: Urea transporter 2 is a protein that in humans is encoded by the SLC14A2 gene. Function In mammalian cells, urea is the chief end-product of nitrogen catabolism and plays an important role in the urinary concentration mechanism.

Key takeaways

Urea transporter 2 belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Urea transporter 2 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Urea transporter 2 from memory before moving on to harder problems.

Reference excerpt

Urea transporter 2 is a protein that in humans is encoded by the SLC14A2 gene.

Function In mammalian cells, urea is the chief end-product of nitrogen catabolism and plays an important role in the urinary concentration mechanism. Thus, the plasma membrane of erythrocytes and some renal epithelial cells exhibit an elevated urea permeability that is mediated by highly selective urea transporters. In mammals, two urea transporters have been identified: the renal tubular urea transporter, UT2 (UT-A), and the erythrocyte urea transporter, UT11 (also called UT-B, coded for by the SLC14A1 gene). SLC14A2 and SLC14A1 constitute solute carrier family 14.

References

Illustrations

Worked examples

Example 1 — a first encounter with Urea transporter 2

Start with the simplest possible case. Write down what Urea transporter 2 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 Urea transporter 2 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 Urea transporter 2 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 Urea transporter 2

In research: Urea transporter 2 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 Urea transporter 2 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: Urea transporter 2 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 18, Membrane protein stubs, Solute carrier family, so understanding it makes those chapters shorter.
In everyday life: Look for Urea transporter 2 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 Urea transporter 2 in 20 minutes

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

Frequently asked questions

What is Urea transporter 2 in simple terms?

Urea transporter 2 is a protein that in humans is encoded by the SLC14A2 gene. Function In mammalian cells, urea is the chief end-product of nitrogen catabolism and plays an important role in the urinary concentration mechanism.

Why does Urea transporter 2 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 Urea transporter 2?

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 Urea transporter 2.