Bio 169 final exam - Study guides, Class notes & Summaries

Bio 169 Final Exam Questions And Answers Graded A+ How long is the typical lifespan of red blood cells? Approximately 120 days. Hemoglobin consists of which components? Protein chains known as globin and iron. What are the two substances produced from the breakdown of red blood cells? Bilirubin and biliverdin. What roles does hemoglobin play in the body? It carries oxygen and carbon dioxide and helps regulate pH levels. What is true about erythropoietin? It is secreted by ...

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Bio 169 Final exam; Questions & Answers 100% Correct Erythropoietin Correct answer-Is secreted by the kidney The function of the pericardial fluid is to Correct answer-reduce friction between the pericardial membranes Match the type of chemical messenger with its description. Correct answer-Autocrine: stimulates the cell that originally secreted it Endocrine: secreted by glands and cells; acts upon distant target tissues Paracrine: secreted by one cell; acts upon nearby cells Neurotra...

BIO 169 Final Exam Questions and Answers Already Passed What functions does the endocrine system perform? It oversees vital processes including reproduction, metabolic regulation, development, fluid and electrolyte balance, and stress management. What are paracrine signals, and what are their characteristics? These are local hormones that affect nearby cells by diffusing through the surrounding fluid. They are highly effective, secreted in minimal quantities as needed, and are rapid...

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BIO 169 Final Exam (compiled); Questions & Answers 100% Correct give an example of a water-soluble hormone Correct answer-Oxytocin give an example of a lipid-soluble hormone Correct answer-testosterone adenylate cyclase produces the second messenger _____, when the G-Protein has _______ and is bound to it. Correct answer-cAMP, GTP TRUE / FALSE The hypothalamus directly controls the pituitary gland? Correct answerTrue

Bio 169 Final exam; Questions & Answers 100% Correct What are the functions of the endocrine system? Correct answer-controls - reproduction, metabolism, growth/development, fluid/electrolyte balance, resistance to stress What are paracrine secretions? Traits? Correct answer-Local hormone that enters interstitial fluid but affects only neighboring cells. Potent and secreted in small amounts, only when needed. They break down quickly.

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