Answer: Please refer to:
Promethazine is in a class of medications called phenothiazines. It works by blocking the action of a certain natural substance in the body.
Explanation:
I'm not sure but hope it helps.
Can you put a pic of the rock for me
Answer:
Im pretty sure this is acceleration
Answer: Water Waves
Explanation:
Sometimes, a transverse wave and a longitudinal wave can combine to form another kind of wave called a surface wave. Waves in which the particles vibrate in an up-and-down motion. The particles in this kind of wave move across, or perpendicularly to, the direction that the wave is going.
In
general, hormones that bind to plasma membrane receptors cannot pass through
cell membranes.
<span>
Membrane
receptors or cell surface receptors are receptors that are located in the
membranes of cells and usually are integral membrane proteins. The
extracellular molecules like hormones, neurotransmitters, cytokines, growth
factors are ligands that induce changes (signal cascade) within the cell.</span>