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In graph Frontier
BiologyCell BiologyEstablished

Active transport

In cellular biology, active transport is the movement of molecules or ions across a cell membrane from a region of lower concentration to a region of higher concentration—against the concentration gradient.

Active transportATPPlasma membraneChemical energyCellular respirationOxygen (O₂)MitochondrionGlycolysisCell

At a glance

Type
energy
Disciplines 2
BiologyCell Biology
Mental models 0
—
Role in the graph
Connector

Key signals

Cross-disciplinary reach
Disciplines
2
  • Biology
  • Cell Biology
Evidence & development

Dependencies

What this concept builds on and what it makes possible — derived from the atlas’s dependency, causal and structural relations, not from every related edge.

Foundations · builds on

Active transportdepends onATPEstablished

Open ATP →

active transport depends on adenosine triphosphate.

Mechanism: Active transport spends ATP to pump substances against their concentration gradient — unlike passive diffusion.

Sources:

System context

Active transportis part ofPlasma membraneEstablished

Open Plasma membrane →

active transport is part of plasma membrane.

Mechanism: Active transport is a job of the plasma membrane: protein pumps spend energy to move substances against their concentration gradient.

Sources:

Structural role & consequence

Interpreted from the current atlas graph — what the connections mean, not just how many there are.

  • Currently dark in the atlas: no key date stored · 2 of 2 of its relations lack claim-level evidence.

    atlas representation · Describes the current Thinking OS representation, not the state of the world.

  • Builds on 1 foundation (requires / depends-on / derived-from / emerges-from).

    structural · Structural graph analysis — not a claim of importance, causation or history.

  • Structural neighbourhood: 2 → 10 → 57 concepts reachable within 3 hops.

    structural · Structural reach — being reachable is not the same as being understood.

  • All 2 of its relationships stay within its own discipline — a field-specific concept in the current atlas.

    structural · Structural graph analysis — not a claim of importance, causation or history.

0%

cross-field
2 within-field, 0 cross-field

0 of 2 relations carry evidence · concept has a verified source

Strengths & constraints

Constraints

  • Evidence coverage currently thin in the atlas — few of its relationships carry claim-level evidence. atlas representation
  • No dated history stored — the atlas records no key date for this concept. atlas representation

Conditions

  • Its dependency reading rests on 1 foundation relation. structural
  • Read structurally — most of its relationships carry no external evidence yet, so claims here are graph-derived. structural

Dependency radial

What this concept builds on (left) and what it makes possible (right) — derived from dependency and causal relations.

ATPActive transport◀ builds onenables ▶

Seen through each discipline

How this concept sits in each of its fields — derived from its real connections in the graph, not asserted.

Biology

Through this lens it connects to ATP and Plasma membrane.

Active transport through the Biology lens →

Cell Biology

Through this lens it connects to Plasma membrane.

Active transport through the Cell Biology lens →

Concepts that look related but are not yet connected here — candidates for a connection to reason about, not established links.

The scientific picture
  • Connects 2 other ideas across 2 disciplines.
  • Most of its connections are of the “Kind & structure” kind.

Derived from the graph’s real structure — observations, not a score.

Sources