1What are 2 examples of proteins in the body?

Structural proteins provide support in our bodies, for example, the proteins in our connective tissues, such as collagen and elastin. Hormone proteins co-ordinate bodily functions, for example, insulin controls our blood sugar concentration by regulating the uptake of glucose into cells.

The proteins in our connective tissues, such as collagen and elastin. Hormone proteins co-ordinate bodily functions, for example, insulin controls our blood sugar concentration by regulating the uptake of glucose into cells.

Enzymes. Every process carried out in the body involves, at some point or entirely, a chemical reaction. Chemical reactions proceed according to a physical law known as Gibbs Free Energy. This law dictates that energy must be put into a system in order for a chemical reaction to take place. The amount of energy needed to start a reaction is referred to as "activation energy". This activation energy is not always readily available; this type of reaction is non-spontaneous.An enzyme is a specialized protein that lowers activation energy. It does not add energy to the system, it reduces the amount of energy required to begin the reaction. Special emphasis should be taken on the fact that the requirements are lowered, as this is where students frequently experience misconceptions. (Enzymes do not add energy to a reaction).

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