Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 4, Problem 26RQ
Summary Introduction
To review:
The name and location of the epithelial tissue formed from each embryonic layer.
Introduction:
There are different types of primary organs that are produced by different embryonic germ layers. The process of gastrulation leads to formation of three germ layers, namely ectoderm, endoderm, and mesoderm. Endoderm forms the inner layer and the outer layer is formed by the ectoderm. Mesoderm is produced by the interaction of endoderm and ectoderm.
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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 4 Solutions
Human Anatomy
Ch. 4 - Describe the location of the apical region of an...Ch. 4 - Why are cuboidal or columnar cells found in...Ch. 4 - Prob. 3CYUCh. 4 - What type of gland are goblet cells? What do they...Ch. 4 - Prob. 5CYUCh. 4 - What feature distinguishes a simple exocrine gland...Ch. 4 - Prob. 7CYUCh. 4 - How do the intermediate �laments within...Ch. 4 - Prob. 9CYUCh. 4 - How do epithelial tissues differ from connective...
Ch. 4 - Distinguish the matrix of a connective tissue from...Ch. 4 - Which structural element of connective tissue...Ch. 4 - How does loose connective tissue differ from dense...Ch. 4 - Which type of connective tissue forms the...Ch. 4 - Which connective tissues contain collagen �bers?Ch. 4 - In which connective tissues are the cells located...Ch. 4 - Prob. 17CYUCh. 4 - Look at a photomicrograph of smooth muscle tissue...Ch. 4 - Which nerve cells function to transmit electrical...Ch. 4 - Distinguish between the terms striated and...Ch. 4 - Which tissues regenerate easily? Which tissues do...Ch. 4 - Is the scar tissue that creates a "scar" located...Ch. 4 - What causes the heat and swelling in an infected...Ch. 4 - Which embryonic layer or layers form epithelium?Ch. 4 - How do cancerous cells differ from other highly...Ch. 4 - An epithelium that has several cell layers, with...Ch. 4 - The type of gland that secretes products such as...Ch. 4 - Match the epithelial type named in column B with...Ch. 4 - ln connective tissue proper, the cell type that...Ch. 4 - Identify each of the cell surface features...Ch. 4 - Match each epithelial tissue in column B with its...Ch. 4 - For each connective tissue (CT) listed, indicate...Ch. 4 - The muscle tissue that is striated is (a) skeletal...Ch. 4 - Neuroglia (a) conduct electrical impulses, (b) are...Ch. 4 - Which of the following cells are not found.in a...Ch. 4 - The ground substance in connective tissue proper...Ch. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Prob. 15RQCh. 4 - Prob. 16RQCh. 4 - Prob. 17RQCh. 4 - Name the speci�c type of connective tissue being...Ch. 4 - Name the four classic symptoms of inflammation,...Ch. 4 - Prob. 20RQCh. 4 - Prob. 21RQCh. 4 - Of the four basic tissue types, which two develop...Ch. 4 - Prob. 23RQCh. 4 - Prob. 24RQCh. 4 - Prob. 25RQCh. 4 - Prob. 26RQCh. 4 - Prob. 1CRCAQCh. 4 - Prob. 2CRCAQCh. 4 - Three patients in an intensive care unit have...Ch. 4 - Prob. 4CRCAQCh. 4 - A patch of scar tissue that forms in the wall of...Ch. 4 - Ciliated epithelium is located in the bronchial...
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