Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 14, Problem 5CHI
Propose a mechanism by which a cell might sense and respond to levels of Na+ in its environment.
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What happens when excess secretion of ADH occurs? State two causes of this.
a. A person ingests an ion-channel inhibitor, such that the ion channels present in the Loop of Henle are only able to pump at half their normal rate? b. What would this person notice about changes to their physiological filtration?
(Answer a and b)
Given the importance of these ions in numerousaspects of animal biology, is it surprising that there is more than onehormone that regulates Na+ and K+ balance?
Chapter 14 Solutions
Prescott's Microbiology
Ch. 14.2 - MICRO INQUIRY In what way is on inducer molecule...Ch. 14.2 - MICRO INQUIRY Is allolactose a corepressor or...Ch. 14.2 - Retrieve, Infer, Apply Many genes and operons are...Ch. 14.2 - Retrieve, Infer, Apply What are induction and...Ch. 14.2 - Retrieve, Infer, Apply Using figure 14.4 as a...Ch. 14.3 - MICRO INQUIRY How does this attenuation respond to...Ch. 14.4 - MICRO INQUIRY How does inhibition of translation...Ch. 14.4 - Prob. 1RIACh. 14.4 - Retrieve, Infer, Apply Describe how attenuation...Ch. 14.4 - Retrieve, Infer, Apply What are translational...
Ch. 14.4 - Retrieve, Infer, Apply How are translational...Ch. 14.4 - Prob. 5RIACh. 14.5 - MICRO INQUIRY Relative to each promoter, where...Ch. 14.5 - MICRO INQUIRY For what other compounds would you...Ch. 14.5 - Prob. 3MICh. 14.5 - MICRO INQUIRY Why does V. harveyi make three...Ch. 14.5 - Prob. 5MICh. 14.5 - Prob. 6MICh. 14.5 - Prob. 1.1RIACh. 14.5 - Retrieve, Infer, Apply What is diauxic growth?...Ch. 14.5 - Retrieve, Infer, Apply Describe the events that...Ch. 14.5 - Retrieve, Infer, Apply E. coli has two phosphate...Ch. 14.5 - Prob. 1.5RIACh. 14.5 - Prob. 1.6RIACh. 14.5 - Prob. 2.1RIACh. 14.5 - Retrieve, Infer, Apply Why might bacteria use...Ch. 14.5 - Prob. 2.3RIACh. 14.5 - Prob. 2.4RIACh. 14 - Attenuation affects anabolic pathways, whereas...Ch. 14 - Describe the phenotype of the following E. coli...Ch. 14 - Prob. 3CHICh. 14 - What would be the phenotype of a B. subtilis...Ch. 14 - Propose a mechanism by which a cell might sense...Ch. 14 - Neisseria meningitidis, commonly called...
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- Using the below diagram, label each part along with its function. Also identify where ADH acts?arrow_forwardWhat type of transport mechanism is demonstrated by Na+ movement through the open voltage-gated Na+ channels?arrow_forwardGive only typing answer with explanation and conclusion how does a hormone regulate the TCA cycle?arrow_forward
- The receptor for aldosterone appears to have evolved much earlier than aldosterone itself. Propose a hypothesis to explain how that might have occurredarrow_forwardBriefly describe the series of events that takesplace when cAMP acts as a second messenger.arrow_forwardList the ions that contribute to electrical signaling in neurons and what side of the neuron their concentration is highestarrow_forward
- Explain why different types of cells may respond differently to the same chemical messenger.arrow_forwardExplain different ways in which invertebrates and vertebrates have achieved high velocities for conduction of action potentials. Can you suggest why the invertebrate solution would not be suitable for the homeothermic birds and mammals?arrow_forwardConsider the effect of a twofold increase in the ECF concentration of Na+ or K+ ions. Which increase in ion concentration is the more deadly and why? Hint: Consider if the calculated decrease in or the increase in bring the resting membrane potential of the nerve or muscle cell closer to threshold potential? Why would this change in ion concentration stop the heart from beating?arrow_forward
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