Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134019192
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Question
Chapter 3, Problem 4CT
Summary Introduction
To determine:
The effect on a patient’s water balance if some bacterial toxins cause cells lining the digestive tract to secrete ions, making the content of the tract hypertonic.
Introduction:
The passive transport includes osmosis, diffusion, and facilitative diffusion. Osmosis is the movement of water through “selectively permeable membrane” into the portion with solute that cannot cross the “selectively permeable membrane”.
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For the following scenario you must draw the situation depicted, indicate which solution is hypertonic, hypotonic or isotonic (as applicable), and then show with arrows which way water will move. Then you must write your response in complete sentences, thoroughly explaining and justifying your arrows.
a. Ouch! Sore throat! It is so swollen that it is sore and it is difficult to swallow. And you have an oral presentation today. Better gargle with salt water to reduce the swelling! Explain why this age old technique really works, by using the concept of osmosis.
Match the definitions with the words:
Direct Diffusion, Facilitated Transport, Active Transport
a) passive movement of molecules through a protein channel, down the solute's concentration gradient
b) using a vesicle to move many molecules into a cell
c) movement of molecules through a protein transporter, requires ATP, against the solute's concentration gradient
If a dialysis bag containing 1% sucrose is placed in a beaker containing 25% sucrose,
what would you expect to happen?
(hint: only water can move in and out os the bag through osmosis, sucrose is too
large; this is a hypertonic environment)
A) there will be a loss in weight of the bag due to water leaving the bag
B) there will be a gain in weight of the bag due to water moving into the bag
C) the weight of the bag will remain the same, with water moving in both
directions equally
D) sucrose will break down and will move into the bag, increasing the weight of
the bag
Chapter 3 Solutions
Microbiology with Diseases by Taxonomy (5th Edition)
Ch. 3 - A cell may allow a large or charged chemical to...Ch. 3 - Which of the following statements concerning...Ch. 3 - Prob. 3MCCh. 3 - Which of the following is most associated with...Ch. 3 - Which of the following is not associated with...Ch. 3 - Prob. 6MCCh. 3 - Which of the following statements is true? a. The...Ch. 3 - Prob. 8MCCh. 3 - Prob. 9MCCh. 3 - Prob. 10MC
Ch. 3 - Prob. 11MCCh. 3 - Gram-positive bacteria _______________. a. have a...Ch. 3 - Endospores ________________. a. are reproductive...Ch. 3 - Prob. 14MCCh. 3 - Prob. 15MCCh. 3 - Match the structures on the left with the...Ch. 3 - Match the term on the left with its description on...Ch. 3 - Label the structures of the following prokaryotic...Ch. 3 - Prob. 2VICh. 3 - Prob. 3VICh. 3 - Describe (or draw) an example of diffusion down a...Ch. 3 - Sketch, name, and describe three flagellar...Ch. 3 - Prob. 3SACh. 3 - Prob. 4SACh. 3 - A local newspaper writer has contacted you, an...Ch. 3 - Prob. 6SACh. 3 - Prob. 7SACh. 3 - Prob. 8SACh. 3 - Prob. 9SACh. 3 - Prob. 10SACh. 3 - Prob. 11SACh. 3 - Prob. 12SACh. 3 - Prob. 13SACh. 3 - Prob. 14SACh. 3 - Compare and contrast three types of passive...Ch. 3 - Contrast the following active processes for...Ch. 3 - Contrast symports and antiports.Ch. 3 - Describe the endosymbiotic theory. What evidence...Ch. 3 - A scientist develops a chemical that prevents...Ch. 3 - Methylene blue binds to DNA. What structures in a...Ch. 3 - Prob. 3CTCh. 3 - Prob. 4CTCh. 3 - Prob. 5CTCh. 3 - Prob. 6CTCh. 3 - An electron micrograph of a newly discovered cell...Ch. 3 - An entry in a recent scientific journal reports...Ch. 3 - Prob. 9CTCh. 3 - A researcher treats a cell to block the function...Ch. 3 - After a man infected with the bacterium...Ch. 3 - Solutions hypertonic to bacteria and fungi are...Ch. 3 - Prob. 13CTCh. 3 - Prob. 14CTCh. 3 - Using the following terms, fill in the following...Ch. 3 - Prob. 1TMWCh. 3 - In 1985, an Israeli scientist discovered the...Ch. 3 - Prob. 3TMWCh. 3 - Prob. 4TMWCh. 3 - When the bacterium Escherichia coli is grown in a...Ch. 3 - Prob. 6TMWCh. 3 - Prob. 7TMWCh. 3 - Prob. 8TMWCh. 3 - Prob. 9TMWCh. 3 - Prob. 10TMWCh. 3 - Prob. 11TMWCh. 3 - Colchicine is a drug that inhibits microtubule...Ch. 3 - Clinical Case Study The Big Game College sophomore...
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