Hormones are . . . . . . .

What is the optimal temperature of the human body (in $^{\circ} C$)?

Who proposed the term '$pheromone$'?

Choose the correct pair of hormones which interact with membrane-bound receptors.

Identify the correct receptors for the following hormones:
$\quad$ $\quad$ Peptide hormone $\quad$ $\quad$ Epinephrine

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?