When bacteria are grown in the presence of high concentrations of tryptophan: O A. A repressor is activated, activating gene transcription. B. A repressor is activated, blocking gene transcription. C. An activator binds upstream of a target gene, activating gene transcription. D. An activator binds upstream of a target gene, repressing gene transcription.
When bacteria are grown in the presence of high concentrations of tryptophan: O A. A repressor is activated, activating gene transcription. B. A repressor is activated, blocking gene transcription. C. An activator binds upstream of a target gene, activating gene transcription. D. An activator binds upstream of a target gene, repressing gene transcription.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
Same question but two different sections
Transcribed Image Text:When bacteria are grown in the presence of high concentrations of tryptophan:
A. A repressor is activated, activating gene transcription.
B. A repressor is activated, blocking gene transcription.
C. An activator binds upstream of a target gene, activating gene transcription.
O D. An activator binds upstream of a target gene, repressing gene transcription.
Transcribed Image Text:A virus infected cell undergoes apoptosis following the binding of a killer lymphocyte. Which of the following factors is
required for this process to occur?
A. The formation of a death inducing signaling complex in the target cell.
B. Engagement of a Fas ligand dimer with a dimerized Fas death receptor.
C. Phosphorylation of Bad by Akt.
D. Phosphorylation of PI(4,5)P2 by PI3-kinase.
Expert Solution
Step 1
Tryptophan is defined as an alpha-amino acid utilized in the biosynthesis of proteins and cannot be produced or synthesized by the human body and must be obtained via the diet.
Step by step
Solved in 4 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax
Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax
Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:
9780815344322
Author:
Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:
W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:
9781260159363
Author:
Martin, Terry R., Prentice-craver, Cynthia
Publisher:
McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:
9781260231700
Author:
Sylvia S. Mader, Michael Windelspecht
Publisher:
McGraw Hill Education