Human Anatomy & Physiology, Modified Mastering A&P with eText and Value Pack Access Card and Practicing A&P Workbook for Human Anatomy & Physiology
1st Edition
ISBN: 9780134206189
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 10, Problem 4CYR
Summary Introduction
To review:
Match the termsZ-disc, sarcomere, A band, H zone, I band, and M line with the most closely related descriptions given below:
The dark band containing the entire length of the thick filament
The band of proteins in the middle of the H zone
The boundary between sarcomeres
The functional unit of contraction
The middle region of the A band containing only thick filaments
The light band containing only thin filaments
Introduction:
Musclesare formed of muscle fibers. Muscle fibers are formed of proteins and usually, the fibers are striated. The basic unit of striated muscles issarcomere. The muscle fibers are formed of myofibrils. These myofibrils are formed of alternate sections of the sarcomere. Two important proteins of the filament are myosin and actin. Sarcomeresappear as light and dark bands. The different regions of the bands have different names such as I band, A band, H zone, Z-disc, and M line.
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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)
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5' cap
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3' poly A tail
3' UTR (untranslated region)
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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 10 Solutions
Human Anatomy & Physiology, Modified Mastering A&P with eText and Value Pack Access Card and Practicing A&P Workbook for Human Anatomy & Physiology
Ch. 10.1 - What are the two types of striated muscle?Ch. 10.1 - Which two types of muscle are involuntary?Ch. 10.1 - What is the basic function of all types of muscle...Ch. 10.1 - 4. What five properties are common to all muscle...Ch. 10.1 - What basic structures are unique to muscle cells?...Ch. 10.2 - Prob. 1QCCh. 10.2 - How are the terminal cisternae related to the...Ch. 10.2 - Prob. 3QCCh. 10.2 - How does the arrangement of myofilaments produce...Ch. 10.2 - 5. Describe the structure of a sarcomere. What is...
Ch. 10.2 - Prob. 4QCCh. 10.2 - Prob. 5QCCh. 10.2 - Prob. 8QCCh. 10.3 - What is an action potential?Ch. 10.3 - Prob. 1QCCh. 10.3 - What is the resting membrane potential, and what...Ch. 10.3 - Prob. 3QCCh. 10.3 - What role does the Na+/K+ pump play in this ion...Ch. 10.3 - Prob. 6QCCh. 10.3 - Prob. 7QCCh. 10.4 - Prob. 1QCCh. 10.4 - Prob. 2QCCh. 10.4 - 3. How does excitation from a neuron trigger...Ch. 10.4 - Prob. 4QCCh. 10.4 - What are the steps of the crossbridge cycle?Ch. 10.4 - Prob. 6QCCh. 10.5 - What are the two immediate energy sources for...Ch. 10.5 - How long can these immediate energy sources fuel...Ch. 10.5 - Prob. 3QCCh. 10.5 - Prob. 4QCCh. 10.5 - Prob. 5QCCh. 10.5 - Prob. 6QCCh. 10.5 - Prob. 7QCCh. 10.6 - What is a twitch contraction?Ch. 10.6 - What are the phases of a twitch contraction?Ch. 10.6 - How does the timing of a stimulus impact the...Ch. 10.6 - 4. How do fused and unfused tetanus differ?
Ch. 10.6 - 5. At what length will a sarcomere be able to...Ch. 10.6 - How do type I and type II muscle fibers differ?Ch. 10.7 - Prob. 1QCCh. 10.7 - 2. Explain the process of recruitment.
Ch. 10.7 - Prob. 3QCCh. 10.7 - 4. How do isotonic concentric, isotonic...Ch. 10.8 - Prob. 1QCCh. 10.8 - Prob. 2QCCh. 10.8 - Prob. 3QCCh. 10.8 - What conditions does excess postexercise oxygen...Ch. 10 - Mark the following statements as true or false. If...Ch. 10 - How does a skeletal muscle fiber differ...Ch. 10 - Prob. 3CYRCh. 10 - Prob. 4CYRCh. 10 - Prob. 5CYRCh. 10 - Prob. 6CYRCh. 10 - Prob. 7CYRCh. 10 - 8. Order the following events of excitation and...Ch. 10 - 9. Which of the following statements accurately...Ch. 10 - 10. A muscle fiber relaxes when:
a. the...Ch. 10 - Mark the following statements as true or false. If...Ch. 10 - 12. Mark the following statements as true or...Ch. 10 - Prob. 13CYRCh. 10 - 14. Muscle tone is:
a. the result of voluntary...Ch. 10 - Prob. 15CYRCh. 10 - Which of the following is not likely to result...Ch. 10 - Which of the following factors is/are responsible...Ch. 10 - 18. What is thought to cause excess postexercise...Ch. 10 - Prob. 19CYRCh. 10 - 20. Which of the following best describes...Ch. 10 - Mark the following statements as true for smooth...Ch. 10 - Prob. 1CYUCh. 10 - Prob. 2CYUCh. 10 - Prob. 3CYUCh. 10 - Explain why cardiac muscle cells and some smooth...Ch. 10 - Prob. 1AYKACh. 10 - Prob. 3AYKACh. 10 - Prob. 4AYKACh. 10 - Prob. 5AYKACh. 10 - Prob. 6AYKBCh. 10 - Prob. 7AYKBCh. 10 - Prob. 2AYKA
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