Coordination and control – the endocrine system

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Question 2
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The diagram below shows the second-messenger model of hormone action (such as adrenaline or glucagon) on a target liver cell.

Second-Messenger Model

Which of the following rows correctly identifies labels WWW, XXX, YYY, and ZZZ?

WWW: Protein kinase; XXX: ATP; YYY: Cyclic AMP; ZZZ: Adenylate cyclase

WWW: Adenylate cyclase; XXX: Cyclic AMP; YYY: ATP; ZZZ: Protein kinase

WWW: Adenylate cyclase; XXX: ATP; YYY: Cyclic AMP; ZZZ: Protein kinase

WWW: Protein kinase; XXX: Cyclic AMP; YYY: ATP; ZZZ: Adenylate cyclase

Coordination and control – the endocrine system Questions

  1. GCSE
  2. /Biology
  3. /Coordination and control – the endocrine system