
Concept explainers
To explain: The evidence of rapid environmental changes.
Concept introduction: Human evolution gives a new hallmark in the course of evolution. Until human evolution occurred, the course of evolution was limited to organic evolution. Human evolution is unique for the reason that they include organic evolution, cultural evolution, social evolution, and psychological evolution.
To explain: The aspects of human culture that is responsible for these changes.
Concept introduction: Human evolution gives a new hallmark in the course of evolution. Until human evolution occurred, the course of evolution was limited to organic evolution. Human evolution is unique for the reason that they include organic evolution, cultural evolution, social evolution, and psychological evolution.
To explain: The evidence of a decrease in the rate of human-caused environmental changes.
Concept introduction: Human evolution gives a new hallmark in the course of evolution. Until human evolution occurred, the course of evolution was limited to organic evolution. Human evolution is unique for the reason that they include organic evolution, cultural evolution, social evolution, and psychological evolution.

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Chapter 17 Solutions
Campbell Essential Biology with Physiology (5th Edition)
- 1. Match each vocabulary term to its best descriptor A. affinity B. efficacy C. inert D. mimic E. how drugs move through body F. how drugs bind Kd Bmax Agonist Antagonist Pharmacokinetics Pharmacodynamicsarrow_forward50 mg dose of a drug is given orally to a patient. The bioavailability of the drug is 0.2. What is the volume of distribution of the drug if the plasma concentration is 1 mg/L? Be sure to provide units.arrow_forwardDetermine Kd and Bmax from the following Scatchard plot. Make sure to include units.arrow_forward
- Choose a catecholamine neurotransmitter and describe/draw the components of the synapse important for its signaling including synthesis, packaging into vesicles, receptors, transporters/degradative enzymes. Describe 2 drugs that can act on this system.arrow_forwardThe following figure is from Caterina et al. The capsaicin receptor: a heat activated ion channel in the pain pathway. Nature, 1997. Black boxes indicate capsaicin, white circles indicate resinferatoxin. a) Which has a higher potency? b) Which is has a higher efficacy? c) What is the approximate Kd of capsaicin in uM? (you can round to the nearest power of 10)arrow_forwardWhat is the rate-limiting-step for serotonin synthesis?arrow_forward
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