Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 44, Problem 7TYK
Summary Introduction
Introduction: The kidney is the major excretory organs present in most of the organisms. The nephron is the fundamental unit of the kidney. The nephron consists of the proximal convoluted tubule, distal convoluted tubule, a loop of Henle and the collecting duct. By the process of filtration, the nephron forms the concentrated urine that finally flows in the collecting duct of the nephron.
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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 44 Solutions
Study Guide for Campbell Biology
Ch. 44 - Indicate whether the following animals are...Ch. 44 - Prob. 2IQCh. 44 - Which of the three excretory processes is least...Ch. 44 - a. What substances are removed from the blood...Ch. 44 - In the following diagram of a nephron and...Ch. 44 - a. What type of nephron enables the production of...Ch. 44 - Prob. 7IQCh. 44 - Provide the following information concerning the...Ch. 44 - Prob. 2SYKCh. 44 - Prob. 1TYK
Ch. 44 - Transport epithelia are responsible for a. pumping...Ch. 44 - Prob. 3TYKCh. 44 - Prob. 4TYKCh. 44 - Prob. 5TYKCh. 44 - Prob. 6TYKCh. 44 - Prob. 7TYKCh. 44 - Prob. 8TYKCh. 44 - Prob. 9TYKCh. 44 - The process of secretion in the formation of urine...Ch. 44 - Prob. 11TYKCh. 44 - Prob. 12TYKCh. 44 - Prob. 13TYKCh. 44 - Prob. 14TYKCh. 44 - Prob. 15TYKCh. 44 - Prob. 16TYKCh. 44 - Prob. 17TYKCh. 44 - Prob. 18TYK
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