Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 20.2, Problem 2TC
Some of the enzymes that have important uses in molecular biology procedure are extracted from prokaryotes that live in hot springs. Can you guess why?
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The following table is from Kumar et. al. Highly Selective Dopamine D3 Receptor (DR) Antagonists and Partial Agonists Based on Eticlopride and the D3R Crystal Structure: New Leads for Opioid Dependence Treatment. J. Med Chem 2016.
The 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.
You are a chef in a fancy new science-themed restaurant. You have a recipe that calls for 1 teaspoon of resinferatoxin, but you feel uncomfortable serving foods with "toxins" in them. How much capsaicin could you substitute instead?
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Chapter 20 Solutions
Biology
Ch. 20.1 - describe some differences between bacteria and...Ch. 20.1 - describe the typical sizes and shapes of...Ch. 20.2 - What might explain the observation that most...Ch. 20.2 - Unwelcome Dinner Guests A few of the bacteria that...Ch. 20.2 - Some of the enzymes that have important uses in...Ch. 20.2 - Unpleasant breath odors are caused mainly by...Ch. 20.2 - As part of a study on the relationship between...Ch. 20.2 - What is the main advantage of prokaryotic fission,...Ch. 20.2 - describe the range of environments inhabited by...Ch. 20.2 - describe adaptations that help protect prokaryotes...
Ch. 20.2 - explain how prokaryotes reproduce and exchange...Ch. 20.3 - If all of Earths nitrogen-fixing prokaryotes were...Ch. 20.3 - Unwelcome Dinner Guests Many of the bacteria...Ch. 20.3 - explain how prokaryotes affect animal and plant...Ch. 20.3 - explain prokaryotes role in nutrient recycling?Ch. 20.3 - describe how prokaryotes help clean up pollution?Ch. 20.3 - describe some of the pathogenic bacteria that...Ch. 20.4 - Why are viruses unable to replicate outside of a...Ch. 20.4 - Biotechnologists often use viruses to transfer...Ch. 20.4 - describe the structure and characteristics of...Ch. 20.4 - describe the effects they can have on host...Ch. 20.4 - Prob. 3CYLCh. 20.4 - Unwelcome Dinner Guests How do harmful bacteria...Ch. 20 - The name of the process by which DNA is...Ch. 20 - A community of prokaryotes surrounded by slime and...Ch. 20 - Which of the following statements about archaea is...Ch. 20 - Viruses a. are usually photosynthetic. b. consist...Ch. 20 - Applying fertilizer near an oil spill to Increase...Ch. 20 - ____________, have peptidoglycan in...Ch. 20 - Prokaryotic cells are ____________,...Ch. 20 - Many prokaryotes use ____________ to move about....Ch. 20 - ____________,bacteria inhabit environments that...Ch. 20 - Prokaryotes reproduce by ____________ and may...Ch. 20 - The plant nutrient ammonium is produced by...Ch. 20 - Cholera, gonorrhea, and pneumonia are some of the...Ch. 20 - A virus consists of a molecule of __________ or...Ch. 20 - Describe some of the ways in which prokaryotes...Ch. 20 - What are nitrogen-fixing bacteria, and what role...Ch. 20 - Describe some of the extreme environments in which...Ch. 20 - What is an endospore? What is its function?Ch. 20 - What is conjugation? What role do plasmids play in...Ch. 20 - Why are prokaryotes especially useful in...Ch. 20 - Describe the structure of a typical virus. How do...Ch. 20 - Describe some examples of how prokaryotes are...Ch. 20 - How do archaea and bacteria differ? How do...Ch. 20 - Prob. 1ACCh. 20 - Before the discovery of prions, many (perhaps...
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- 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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