You will get brainliest many hormones are proteins used in cellular communication. each hormone carries a specific message to specific target cells. state why each of these hormones is able to deliver a different message.

Hormones are chemical messengers secreted into blood or extracellular fluid by one cell that affect the functioning of other cells. ... However, a given hormone usually affects only a limited number of cells, which are called target cells. A target cell responds to a hormone because it bears receptors for the hormone.

These are called target cells i think so 

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.