Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 6.3, Problem 2CYL
- explain coupled reactions?
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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 6 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 6.1 - Energy Unleashed Much like a cars engine, the...Ch. 6.1 - What other changes would help reduce fossil fuel...Ch. 6.1 - define energy and work?Ch. 6.1 - Could one design a roller coaster that didnt use...Ch. 6.1 - define potential energy and kinetic energy and...Ch. 6.1 - State and explain the first and second laws of...Ch. 6.2 - Energy Unleashed Marathoners rely on glycogen...Ch. 6.2 - describe how energy is captured and released by...Ch. 6.2 - Is glucose breakdown endergonic or exergonic? What...Ch. 6.2 - explain exergonic and endergonic reactions and...
Ch. 6.2 - explain activation energy?Ch. 6.3 - name and describe two important energy-carrier...Ch. 6.3 - Prob. 1TCCh. 6.3 - explain coupled reactions?Ch. 6.4 - explain how catalysts reduce activation energy?Ch. 6.4 - You may have seen the almost magical glow of...Ch. 6.4 - Can an enzyme catalyst make an endergonic reaction...Ch. 6.4 - explain how enzymes function as biological...Ch. 6.5 - describe how cells regulate the rate at which...Ch. 6.5 - Health Watch Lack of an Enzyme Leads to Lactose...Ch. 6.5 - Prob. 1TCCh. 6.5 - explain how poisons, drugs, and environmental...Ch. 6 - While vacuuming, you show off by telling a friend...Ch. 6 - Prob. 1FIBCh. 6 - Which of the following is True? a. Enzymes...Ch. 6 - Prob. 1RQCh. 6 - Refute the following: According to evolutionary...Ch. 6 - Prob. 2FIBCh. 6 - Prob. 2MCCh. 6 - Prob. 2RQCh. 6 - Can a bear use all the energy contained in the...Ch. 6 - Prob. 3FIBCh. 6 - Prob. 3MCCh. 6 - Prob. 3RQCh. 6 - Prob. 4FIBCh. 6 - Prob. 4MCCh. 6 - Prob. 4RQCh. 6 - Prob. 5FIBCh. 6 - Prob. 5MCCh. 6 - Prob. 5RQCh. 6 - Prob. 6FIBCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQ
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- Below is a diagram from a genomic locus of a bacterial genome. Each arrow represents a coding region, and the arrowheads indicate its orientation in the genome. The numbers are randomly assigned. Draw the following features on the diagram, and explain your rationale for each feature: 10 12 合會會會會長 6 a) Expected transcriptions, based on known properties of bacterial genes and operons. How many proteins are encoded in each of the transcripts? b) Location of promoters (include rationale) c) Location of transcriptional terminators (include rationale) d) Locations of Shine-Dalgarno sequences (include rationale)arrow_forwardSample excuse letter in school class for the reasons of headaches and dysmenorrhea caused by menstrual cyclearrow_forwardHow do the muscles on the foot work to balance on an ice skate, specifically the triangle of balance and how does it change when balancing on an ice skate? (Refer to anatomy, be specific)arrow_forward
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