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You are studying the regulation of the enzyme 3-phosphoglycerate dehydrogenase (3PGD). This is the first enzyme in the production of the amino acid serine. You have discovered a positive regulator that controls the production of 3PGD and responds to the level of serine in the cell. When serine levels are low do you want to make this gene? [ Select ] When serine levels are low do you expect the regulator to be bound to the DNA? [ Select ] Does serine increase or decrease the affinity of the regulator for the DNA? [Select ] When serine is bound to the regulator how much mRNA do you think the cell is producing? [Select ] If you mutated this regulator so it no longer bound to the DNA ever what would happen to the amount of MRNA the cell made when serine is low? [ Select ]

You are studying the regulation of the enzyme 3-phosphoglycerate dehydrogenase (3PGD). This is the first enzyme in the production of the amino acid serine. You have discovered a positive regulator that controls the production of 3PGD and responds to the level of serine in the cell. When serine levels are low do you want to make this gene? [ Select ] When serine levels are low do you expect the regulator to be bound to the DNA? [ Select ] Does serine increase or decrease the affinity of the regulator for the DNA? [Select ] When serine is bound to the regulator how much mRNA do you think the cell is producing? [Select ] If you mutated this regulator so it no longer bound to the DNA ever what would happen to the amount of MRNA the cell made when serine is low? [ Select ]

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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1st answer choices: yes, no 2: yes, no 3:increase, decrease 4: a lot of mRNA or very little mRNA 5: less mRNA, more mRNA, or the same amount of mRNA
You are studying the regulation of the enzyme 3-phosphoglycerate dehydrogenase (3PGD). This is the first enzyme in the production of the amino acid serine. You have discovered a positive regulator that controls the production of 3PGD and responds to the level of serine in the cell. When serine levels are low do you want to make this gene? [ Select ] When serine levels are low do you expect the regulator to be bound to the DNA? [ [ Select ] Does serine increase or decrease the affinity of the regulator for the DNA? [ Select ] When serine is bound to the regulator how much mRNA do you think the cell is producing? [Select ] If you mutated this regulator so it no longer bound to the DNA ever what would happen to the amount of mRNA the cell made when serine is low? Select ]
Transcribed Image Text:You are studying the regulation of the enzyme 3-phosphoglycerate dehydrogenase (3PGD). This is the first enzyme in the production of the amino acid serine. You have discovered a positive regulator that controls the production of 3PGD and responds to the level of serine in the cell. When serine levels are low do you want to make this gene? [ Select ] When serine levels are low do you expect the regulator to be bound to the DNA? [ [ Select ] Does serine increase or decrease the affinity of the regulator for the DNA? [ Select ] When serine is bound to the regulator how much mRNA do you think the cell is producing? [Select ] If you mutated this regulator so it no longer bound to the DNA ever what would happen to the amount of mRNA the cell made when serine is low? Select ]
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