Question

Assertion : Peptides and polypeptide hormones directly pass across the lipid bilayer of plasma membrane.
Reason : Oxytocin hormones can pass across the plasma membrane.
A. If both Assertion and Reason are true and Reason is the correct explanation of Assertion
B. If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
C. If Assertion is true, but Reason is false
D. Both Assertion and Reason are false

Answer 1

Correct Answer - D
Peptide and polypeptde (protein) hormones such as oxytocin and vesopressin are water soluble hormone and are not soluble in lipid solution. Therefore they cannot directly