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hardMCQNEET 20192026BIOLOGY
1 mark

Identify A, B and C in the diagram of hormone action (Standard diagram showing a protein hormone):
image

  1. A
    A = Steroid Hormone; B = Hormone receptor Complex; C = Protein
  2. B
    A = Protein Hormone; B = Receptor; C = Cyclic AMP
  3. C
    A = Steroid Hormone; B = Receptor; C = Second Messenger
  4. D
    A = Protein Hormone; B = Cyclic AMP; C = Hormone-receptor Complex

Solution & Step-by-step Explanation

For protein hormones (which cannot enter the cell):A: The hormone binds to a membrane-bound Receptor (B).This generates a Second Messenger (C) like Cyclic AMP or , which triggers the biochemical response.Looking at the 2019 paper's specific diagram layout, Option B is the correct labeling sequence.

Practice this question

Try it yourself before checking the explanation above.

Identify A, B and C in the diagram of hormone action (Standard diagram showing a protein hormone):
image
A
A = Steroid Hormone; B = Hormone receptor Complex; C = Protein
B
A = Protein Hormone; B = Receptor; C = Cyclic AMP
C
A = Steroid Hormone; B = Receptor; C = Second Messenger
D
A = Protein Hormone; B = Cyclic AMP; C = Hormone-receptor Complex

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