biology

Sodium:dicarboxylate symporter

Sodium:dicarboxylate symporter 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 Sodium:dicarboxylate symporter rather than just read about it. In short: It has been shown that integral membrane proteins that mediate the uptake of a wide variety of molecules with the concomitant uptake of sodium ions (sodium symporters) can be grouped, on the basis of sequence and functional similarities into a number of distinct families. One of these families is known as the sodium:dicarboxylate symporter family (SDF) (it is different from divalent anion–sodium symporter).

Key takeaways

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

Reference excerpt

It has been shown that integral membrane proteins that mediate the uptake of a wide variety of molecules with the concomitant uptake of sodium ions (sodium symporters) can be grouped, on the basis of sequence and functional similarities into a number of distinct families. One of these families is known as the sodium:dicarboxylate symporter family (SDF) (it is different from divalent anion–sodium symporter). Such re-uptake of neurotransmitters from the synapses, is thought to be an important mechanism for terminating their action, by removing these chemicals from the synaptic cleft, and transporting them into presynaptic nerve terminals, and surrounding neuroglia. this removal is also believed to prevent them accumulating to the point of reaching neurotoxic. The structure of these transporter proteins has been variously reported to contain from 8 to 10 transmembrane (TM) regions, although 10 now seems to be the accepted value. Members of the family include: several mammalian excitatory amino acid transporters, and a number of bacterial transporters. They vary with regards to their dependence on transport of sodium, and other ions.

References

Illustrations

Worked examples

Example 1 — a first encounter with Sodium:dicarboxylate symporter

Start with the simplest possible case. Write down what Sodium:dicarboxylate symporter 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 Sodium:dicarboxylate symporter 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 Sodium:dicarboxylate symporter 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 Sodium:dicarboxylate symporter

In research: Sodium:dicarboxylate symporter 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 Sodium:dicarboxylate symporter 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: Sodium:dicarboxylate symporter is common in secondary-school and first-year university syllabi. It links to neighbouring topics Protein families, so understanding it makes those chapters shorter.
In everyday life: Look for Sodium:dicarboxylate symporter 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Sodium:dicarboxylate symporter” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Sodium:dicarboxylate symporter in 20 minutes

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

Frequently asked questions

What is Sodium:dicarboxylate symporter in simple terms?

Why does Sodium:dicarboxylate symporter 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 Sodium:dicarboxylate symporter?

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 Sodium:dicarboxylate symporter.