BIO 202 Quiz 1 SCORE A+ 2021

Discuss the way in which hormones promote body homeostasis. Compare and contrast the endocrine system and the nervous system. Make sure you understand the differences between a neurotransmitter and a hormone, addressing the importance of receptor specificity. Define negative feedback and describe its role in regulating blood levels of the various hormones. Use an example if you like! List AND describe the four types of intercellular communication pathways that enable the body to maintain homeostasis. Define hormone and target organ. What does the "lock and key system refer to? Explain! What are the three ways in which hormones are classified? Yes, you will have to which type of chemical structure each hormone that we study falls under. For example, you will need to know that catecholamines are amino acid derivatives. Compare and contrast the functionality of free vs. protein bound hormones in the plasma (bloodstream). Diagram the general mechanism of action of a lipid soluble hormone. Then, compare and contrast a steroid hormone vs. thyroid hormone mechanisms of action. Yes, they are both lipid soluble hormones, but they have slightly different mechanisms of action. Diagram the mechanism of action of a lipid insoluble hormone. Make sure to show the second messenger systems and the role of G-proteins. Hormones that are NOT lipid soluble