The amino acid asparagine is synthesized from aspartic acid by the enzyme asparagine synthetase (AS). In the previous problem you proposed a model for how this gene could be regulated. Suppose that you carry out an experiment to test your model. To do this you cut out the regulatory sequences upstream of the gene and fuse it to a gene for green fluorescent protein (GFP). Now you can visually observe when the gene is activated. You insert this engineered gene into a host cell and look for GFP expression. You discover some mutants that have different expression levels of GFP and call them GFP1- and GFP2-. The expression levels of GFP are given below.

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PROBLEM:
The amino acid asparagine is synthesized from
aspartic acid by the enzyme asparagine synthetase
(AS).
In the previous problem you proposed a model for
how this gene could be regulated. Suppose that you
carry out an experiment to test your model. To do
this you cut out the regulatory sequences upstream
of the gene and fuse it to a gene for green
fluorescent protein (GFP). Now you can visually
observe when the gene is activated. You insert this
engineered gene into a host cell and look for GFP
expression. You discover some mutants that have
different expression levels of GFP and call them
GFP1- and GFP2-. The expression levels of GFP are
given below.
Cell
GFP expression
Wild type
100
GFP1-
50
GFP2-
Transcribed Image Text:PROBLEM: The amino acid asparagine is synthesized from aspartic acid by the enzyme asparagine synthetase (AS). In the previous problem you proposed a model for how this gene could be regulated. Suppose that you carry out an experiment to test your model. To do this you cut out the regulatory sequences upstream of the gene and fuse it to a gene for green fluorescent protein (GFP). Now you can visually observe when the gene is activated. You insert this engineered gene into a host cell and look for GFP expression. You discover some mutants that have different expression levels of GFP and call them GFP1- and GFP2-. The expression levels of GFP are given below. Cell GFP expression Wild type 100 GFP1- 50 GFP2-
11:15
< Вack
Assignment Details
Cell & Molecular Biology II-CRN#21490-202120
given below.
Cell
GFP expression
Wild type
100
GFP1-
50
GFP2-
Propose an explanation for these results based on
your model. In other words, what was mutated and
how?
Your answer should include whether the mutation is
(see links for more information):
• dominant or recessive
https://www.ncbi.nlm.nih.gov/books/NBK21578
#A1877
• in a cis regulatory element or trans regulatory
element
https://www.ncbi.nlm.nih.gov/books/NBK21635
#A2540
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Transcribed Image Text:11:15 < Вack Assignment Details Cell & Molecular Biology II-CRN#21490-202120 given below. Cell GFP expression Wild type 100 GFP1- 50 GFP2- Propose an explanation for these results based on your model. In other words, what was mutated and how? Your answer should include whether the mutation is (see links for more information): • dominant or recessive https://www.ncbi.nlm.nih.gov/books/NBK21578 #A1877 • in a cis regulatory element or trans regulatory element https://www.ncbi.nlm.nih.gov/books/NBK21635 #A2540 Submit Assignment ( Previous Next 79 Calendar To Do Notifications Inbox
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