HUMAN PHYSIO W/ APR & PHILS (LL) PKG
15th Edition
ISBN: 9781265382353
Author: Fox
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 18, Problem 37RA
Summary Introduction
To review:
The following:
1. The meaning of commensalism.Â
2. The arguments that support the relationship between microbiota and intestine being mutualism rather than commensalism.
Introduction:
A relationship between two species in which one is benefited and other is neither benefited nor harmed is called commensalism. Microbiota present in the intestine is also known as the gut microbiota. The commensal bacteria of the intestinal microbiota are found in large numbers within the large intestine.
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Students have asked these similar questions
19. On the diagram below
a. Label the three pictures as: DNA; polypeptide; or RNA.
b. Label the arrows as: translation or transcription/RNA processing.
c. Add the following details to the diagram.
Promoter region
TATA box
Transcription start site
Transcription terminator
Intron (A,B,C,D)
Exons (1,2,3,4,5)
Splice sites
5' cap
5' UTR (untranslated region)
3' poly A tail
3' UTR (untranslated region)
Translational start (AUG)
Translational stop (UGA, UAG, or UAA)
N and C ends of polypeptide
0000
Match the letter labels in the figure below to the terms. Some letter
labels are not used.
MNNNNNNIN
M
C
B
A
M
D
F
E
H
K
G
8
The diagram below illustrates a quorum sensing pathway from Staphylococcus aureus. Please answer the following questions.
1. Autoinduction is part of the quorum sensing system. Which promoter (P2 or P3) is critical for autoinduction?
2)This staphylococcus aureus grows on human wounds, causing severe infections. You would like to start a clinical trial to treat these wound infections. Please describe:
a) What molecule do you recommend for the trial. Why?
b) Your trial requires that Staphylococcus aureus be isolated from the wound and submitted to genome sequencing before admittance. Why? What are you testing for?
3) If a mutation arises where the Promoter P3 is constitutively active, how would that influence sensitivity to AIP? Please explain your rationale.
4) This pathway is sensitive to bacterial cell density. Describe two separate mutation that would render the pathway active independent of cell density. Briefly explain your rationale.
Mutation 1
Mutation 2
Chapter 18 Solutions
HUMAN PHYSIO W/ APR & PHILS (LL) PKG
Ch. 18 - Prob. 1aCPCh. 18 - Describe the structure and function of the mucosa,...Ch. 18 - Prob. 2bCPCh. 18 - Describe the structure and function of the lower...Ch. 18 - Prob. 3bCPCh. 18 - Prob. 4aCPCh. 18 - Explain how peptic ulcers are produced and why...Ch. 18 - Explain how gastrin and vagus nerve stimulation...Ch. 18 - Describe the adaptations of the small intestine...Ch. 18 - Prob. 6CP
Ch. 18 - Prob. 7CPCh. 18 - Prob. 8aCPCh. 18 - Prob. 8bCPCh. 18 - Prob. 9CPCh. 18 - Prob. 10aCPCh. 18 - Prob. 10bCPCh. 18 - Prob. 10cCPCh. 18 - Prob. 11aCPCh. 18 - Prob. 11bCPCh. 18 - Prob. 12CPCh. 18 - Prob. 13aCPCh. 18 - Describe the mechanisms involved in the intestinal...Ch. 18 - Prob. 14CPCh. 18 - Prob. 15CPCh. 18 - Prob. 16aCPCh. 18 - List each enzyme involved in protein digestion....Ch. 18 - Describe how bile aids both the digestion and...Ch. 18 - Trace the pathway and fate of a molecule of...Ch. 18 - Prob. 17cCPCh. 18 - Which of these statements about intrinsic factor...Ch. 18 - Prob. 2RACh. 18 - Which of these statements about gastric secretion...Ch. 18 - Prob. 4RACh. 18 - Which of these statements about trypsin is...Ch. 18 - Prob. 6RACh. 18 - Prob. 7RACh. 18 - The first organ to receive the blood-borne...Ch. 18 - Prob. 9RACh. 18 - Prob. 10RACh. 18 - Prob. 11RACh. 18 - Which of these statements about vitamin is...Ch. 18 - Which of these statements about starch digestion...Ch. 18 - Prob. 14RACh. 18 - Which of these statements about contraction of...Ch. 18 - Prob. 16RACh. 18 - Prob. 17RACh. 18 - Which of the following statements about the liver...Ch. 18 - Prob. 19RACh. 18 - Prob. 20RACh. 18 - Prob. 21RACh. 18 - Describe the mechanisms that are believed to...Ch. 18 - Prob. 23RACh. 18 - Explain how jaundice is produced when (a) the...Ch. 18 - Prob. 25RACh. 18 - Distinguish between chylomicrons, very-low-density...Ch. 18 - Prob. 27RACh. 18 - Trace the course of blood flow through the liver...Ch. 18 - Prob. 29RACh. 18 - Describe the reflexes controlling the stomach,...Ch. 18 - Prob. 31RACh. 18 - Prob. 32RACh. 18 - Prob. 33RACh. 18 - Prob. 34RACh. 18 - Prob. 35RACh. 18 - Prob. 36RACh. 18 - Prob. 37RACh. 18 - Prob. 38RACh. 18 - Prob. 39RACh. 18 - Prob. 40RACh. 18 - Refer to figure 18. I 4 to answer the following...Ch. 18 - Prob. 42RACh. 18 - Prob. 43RA
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