Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Question
Chapter 35, Problem 5RQ
Summary Introduction
To enlist:
The function of the “gastric glands”.
Introduction:
Gastric glands release important secretions called as gastric juice and they help in the digestion of the food. Pepsin, hydrochloric acid, and mucus are the three chief secretions of the gastric glands.
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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 35 Solutions
Biology
Ch. 35.1 - You have probably seen articles warning of the...Ch. 35.1 - Prob. 1TCCh. 35.1 - Prob. 1CSCCh. 35.1 - Prob. 1CYLCh. 35.1 - explain how food energy is measured and how energy...Ch. 35.1 - Prob. 3CYLCh. 35.2 - Prob. 1CYLCh. 35.2 - compare the various ways that invertebrates digest...Ch. 35.2 - explain how vertebrate digestive systems are...Ch. 35.3 - Prob. 1TC
Ch. 35.3 - Stomach acid can be very destructive to the...Ch. 35.3 - Prob. 2TCCh. 35.3 - Prob. 3TCCh. 35.3 - Prob. 1CYLCh. 35.3 - explain how the small intestine absorbs nutrients,...Ch. 35.3 - describe feces and how they are produced and...Ch. 35.3 - Prob. 4CYLCh. 35.3 - The causes of eating disorders are complex and...Ch. 35 - Which of the following is False? a. Carbohydrates...Ch. 35 - Prob. 2MCCh. 35 - Prob. 3MCCh. 35 - Prob. 4MCCh. 35 - Prob. 5MCCh. 35 - Prob. 1FIBCh. 35 - Sponges rely exclusively on __________ digestion....Ch. 35 - Prob. 3FIBCh. 35 - The five major processes carried out by the...Ch. 35 - In humans, a cavity called the __________ is...Ch. 35 - Fats are dispersed by a secretion called...Ch. 35 - Prob. 7FIBCh. 35 - Prob. 1RQCh. 35 - Prob. 2RQCh. 35 - Vertebrates can be grouped into three categories...Ch. 35 - Prob. 4RQCh. 35 - Prob. 5RQCh. 35 - Prob. 6RQCh. 35 - Prob. 7RQCh. 35 - Prob. 8RQCh. 35 - Name four structural or functional adaptations of...Ch. 35 - Prob. 10RQCh. 35 - Prob. 11RQCh. 35 - Prob. 12RQCh. 35 - Prob. 1ACCh. 35 - Prob. 2ACCh. 35 - Prob. 3AC
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