Enzymes - Enzymes and Receptors (Hormones and...

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Enzymes and Receptors (Hormones and Neurotransmitters) Protein Structure Enzymes Specialized class of proteins a molecule that controls the direction of the chemical reaction; provides the best environment for the chemical reaction to take place biological catalysts : speed up the chemical reactions extremely specific : lock-and-key mechanism
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Mechanism of Enzyme Catalysis Hormones cell: structural unit of any living organism cells form organs and tissues : heart, kidneys, liver, pancreas, brain, etc. To function smoothly, organs need to communicate with each other. They produce chemicals called hormones. Hormones enter the bloodstream and travel around the body to affect other organs Examples of hormones Sex hormones: testosterone and progesterone (produced by the male testes and the female ovaries). o Development and maintenance of the genitals and secondary sex characteristics (hairiness of the body and face, muscle size, low pitch of the male’s voice, development
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Enzymes - Enzymes and Receptors (Hormones and...

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