Biology Forums - Study Force

Steroid hormones and thyroid hormones do not
  require a membrane receptor because they
  a. are small enough to pass directly through the
  membrane.
  b. are soluble in the lipid bilayer.
  c. pass through special membrane channels.
  d. are water-soluble.
  e. dissolve in the cholesterol of the membranes.

Question 2

The reason that some individual hormones have so
  many different effects is that
  a. they influence gene transcription.
  b. they trigger a second messenger system that
  produces a cascade effect.
  c. there are a great many different cells in different
  tissues that have specific receptors for the
  hormone.
  d. the hormone is carried throughout the body, and
  only a small amount is needed to produce its
  effect.
  e. all of these are true.

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Tremendous help, I just double-checked it with my friend :D