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IB Biology HL B2.1.16 Hl Sodium Glucose Cotransporters Questions

Explore how sodium gradients drive glucose uptake against its gradient through cotransporters in intestinal and nephron epithelial cells in IB Biology HL B2.1.16.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify sodium-dependent glucose cotransport as indirect/secondary active transport into epithelial cells.
  • Relate the sodium gradient maintained by basolateral pumps to glucose uptake in the ileum or nephron.
  • Trace glucose absorption from epithelial cells to blood or downstream transport tissues.

IB Biology HL B2.1.16 Hl Sodium Glucose Cotransporters Questions question 1

[Maximum number: 1]

What transport method is used in the reabsorption of glucose in the proximal convoluted tubule of the kidney?

A

Diffusion

B

Osmosis

C

Endocytosis

D

Active transport

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