RNA polymerase In the absence of the Inducer, this roprossor proteln blocks transcription. The presence of the Inducer causes a conformational chango that Inhbits the ability of the ropressor protaln to bind to the DNA. Transcription proceeds. Promoter DNA MRNA - Repressor proten No transcription Transcription occurs or -Inducer -Repressor protaln (e) Repressor protaln, Inducer molocula, Inducible gene This activator protein carnot bind to the DNA unless an Inducer is present. When the Inducer is bound to the activator protein, this enables the activator protain to bind to the DNA and activate transcription. Inducer RNA polymerase No transcription or Activator proten Transcription occurs Activator protein (b) Activator protain, Inducer molecule, Inducible gene In the absence of a corapressor, this repressor protein wil not bind to the DNA. Therofore, transcription can occur. When the coropressor Is bound to the repressor protein, a conformational change occurs that allows the repressor to bind to the DNA and inhbit transcription. RNA polymerase Transcription occurs or No transcription Corepressor -Repressor protein Ropressor protein (c) Repressor protein, corepressor molecule, repressible gene This activator protein will bind to the DNA without the ald of an offoctor molecule. The prosence of an Inhibitor causes a conformational chango that Inhibits the ability of the activator protein to bind to the DNA This Inhibits transcription. RNA polymerase No transcription -Inhibitor Transcription occurs Activator or protein Activator proteh (d) Activator protein, Inhibitor molecule, repressible gene

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,...
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Which of these are genetic regulatory proteins and which are small effector molecules?

RNA
polymerase
In the absence of the Inducer, this
roprossor proteln blocks transcription.
The presence of the Inducer causes
a conformational chango that Inhbits
the ability of the ropressor protaln to bind
to the DNA. Transcription proceeds.
Promoter
DNA
MRNA
- Repressor
proten
No transcription
Transcription occurs
or
-Inducer
-Repressor
protaln
(e) Repressor protaln, Inducer molocula, Inducible gene
This activator protein carnot bind
to the DNA unless an Inducer is
present. When the Inducer is bound
to the activator protein, this enables
the activator protain to bind to the
DNA and activate transcription.
Inducer
RNA
polymerase
No transcription
or
Activator
proten
Transcription occurs
Activator
protein
(b) Activator protain, Inducer molecule, Inducible gene
In the absence of a corapressor,
this repressor protein wil not bind
to the DNA. Therofore, transcription
can occur. When the coropressor
Is bound to the repressor protein,
a conformational change occurs
that allows the repressor to bind
to the DNA and inhbit transcription.
RNA
polymerase
Transcription occurs or
No transcription
Corepressor
-Repressor protein
Ropressor
protein
(c) Repressor protein, corepressor molecule, repressible gene
This activator protein will bind to
the DNA without the ald of an offoctor
molecule. The prosence of an Inhibitor
causes a conformational chango
that Inhibits the ability of the activator
protein to bind to the DNA This
Inhibits transcription.
RNA
polymerase
No transcription
-Inhibitor
Transcription occurs
Activator
or
protein
Activator
proteh
(d) Activator protein, Inhibitor molecule, repressible gene
Transcribed Image Text:RNA polymerase In the absence of the Inducer, this roprossor proteln blocks transcription. The presence of the Inducer causes a conformational chango that Inhbits the ability of the ropressor protaln to bind to the DNA. Transcription proceeds. Promoter DNA MRNA - Repressor proten No transcription Transcription occurs or -Inducer -Repressor protaln (e) Repressor protaln, Inducer molocula, Inducible gene This activator protein carnot bind to the DNA unless an Inducer is present. When the Inducer is bound to the activator protein, this enables the activator protain to bind to the DNA and activate transcription. Inducer RNA polymerase No transcription or Activator proten Transcription occurs Activator protein (b) Activator protain, Inducer molecule, Inducible gene In the absence of a corapressor, this repressor protein wil not bind to the DNA. Therofore, transcription can occur. When the coropressor Is bound to the repressor protein, a conformational change occurs that allows the repressor to bind to the DNA and inhbit transcription. RNA polymerase Transcription occurs or No transcription Corepressor -Repressor protein Ropressor protein (c) Repressor protein, corepressor molecule, repressible gene This activator protein will bind to the DNA without the ald of an offoctor molecule. The prosence of an Inhibitor causes a conformational chango that Inhibits the ability of the activator protein to bind to the DNA This Inhibits transcription. RNA polymerase No transcription -Inhibitor Transcription occurs Activator or protein Activator proteh (d) Activator protein, Inhibitor molecule, repressible gene
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