Statement $P$: The hormones of the parathyroid gland are steroid in nature.
Statement $Q$: Muscles contain globular proteins.

• A
  Statement $P$ and Statement $Q$ are correct.
• B
  Statement $P$ and Statement $Q$ are incorrect.
• C
  Statement $P$ is correct and Statement $Q$ is incorrect.
• D
  Statement $P$ is incorrect and Statement $Q$ is correct.