Each category represents one of the functions of proteins. Match each example with the appropriate function. maintaining homeostasis
Pepsin works in the stomach to speed up
the breakdown of food.
providing structure
Insulin controls the concentration of sugar
in the blood.
IgA prevents the buildup of viruses and
regulating chemical reactions
bacteria in the gut.
fighting disease
Collagen makes skin strong yet flexible.

b is the best answer for this question.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

cell division is not regulated in tumor cells.