Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Chapter 22, Problem 41E
Summary Introduction
To determine:
The sex of the zygote (male or female), when the fertilization gives rise to some zygotes having XXY sex chromosome, and further develops into zygote.
Introduction:
The zygote with XXY chromosome developed by the non-disjunction mechanism, in which normal disjunction of X and Y chromosome fails and both sex chromosomes will move to the same pole, resulting in the development of spermatozoa with both X and Y chromosome and spermatozoa without sex chromosome.
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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 22 Solutions
Principles of Human Physiology (6th Edition)
Ch. 22.1 - Why are men more likely to demonstrate X-linked...Ch. 22.1 - Prob. 2CTQCh. 22.1 - Prob. 3CTQCh. 22.1 - Prob. 22.1.1QCCh. 22.1 - Prob. 22.1.2QCCh. 22.2 - Prob. 1CTQCh. 22.2 - Prob. 2CTQCh. 22.2 - Prob. 3CTQCh. 22.2 - Prob. 22.2.1QCCh. 22.2 - Prob. 22.2.2QC
Ch. 22.3 - How does oogenesis differ from spermatogeriesis...Ch. 22.3 - When do meiosis I and meiosis II occur in...Ch. 22.3 - Describe the different types of functional ovarian...Ch. 22.3 - Why are endometriomas potentially severe? Describe...Ch. 22.3 - Prob. 3CTQCh. 22.3 - Prob. 22.4.1QCCh. 22.3 - Prob. 22.4.2QCCh. 22.4 - Prob. 22.5.1QCCh. 22.4 - Prob. 22.5.2QCCh. 22.4 - Prob. 22.5.3QCCh. 22.4 - Prob. 22.5.4QCCh. 22.5 - For each of the following descriptive phrases,...Ch. 22 - Prob. 1ECh. 22 - In the embryo, which of the following effects s...Ch. 22 - The testes are housed in a structure called...Ch. 22 - Prob. 4ECh. 22 - Prob. 5ECh. 22 - Prob. 6ECh. 22 - Prob. 7ECh. 22 - Prob. 8ECh. 22 - In the uterine cycle, which phase immediately...Ch. 22 - The placenta not only serves as an organ of...Ch. 22 - In meiosis I, maternal and paternal chromosomes...Ch. 22 - The srY gene codes for (testosterone...Ch. 22 - In the absence of testosterone and MIS, the...Ch. 22 - FSH and LH are classified as (sex...Ch. 22 - Prob. 15ECh. 22 - Prob. 16ECh. 22 - Spermatogenesis is stimulated by testosterone and...Ch. 22 - The head of a sperm contains chromosomes and a(n),...Ch. 22 - Prob. 19ECh. 22 - Prob. 20ECh. 22 - Prob. 21ECh. 22 - Prob. 22ECh. 22 - Prob. 23ECh. 22 - Prob. 24ECh. 22 - Prob. 25ECh. 22 - Prob. 26ECh. 22 - Prob. 27ECh. 22 - Prob. 28ECh. 22 - Prob. 29ECh. 22 - Degeneration of the corpus luteum causes hormonal...Ch. 22 - Before implantation, the morula develops into...Ch. 22 - Secretory-phase utenne conditions are promoted by...Ch. 22 - Prob. 33ECh. 22 - Prob. 34ECh. 22 - Prob. 35ECh. 22 - Prob. 36ECh. 22 - Prob. 37ECh. 22 - Prob. 38ECh. 22 - Prob. 39ECh. 22 - Describe the processes that give rise to elevated...Ch. 22 - Prob. 41ECh. 22 - Prob. 42ECh. 22 - Some males are sterile because their sperm cannot...Ch. 22 - Prob. 44E
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