Cells of the proximal convoluted tubule have many mitochondria to

  1. make urea
  2. store glucose
  3. filter blood
  4. provide ATP for active transport
Answer

D) provide ATP for active transport

Na⁺/K⁺ pumps need ATP. AS & A Level Biology · Topic 14 Homeostasis · 14.1 Homeostasis in mammals

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