Give an example of repression.

Give an example of repression.
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Answer :

The key enzyme of heme synthesis, ALA synthase is autoregulated by the heme by means of repression.
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Related questions

Which of the following is transcribed during repression? (A) Structural gene (B) Promoter gene (C) Regulator gene (D) Operator gene

Description : Which of the following is transcribed during repression? (A) Structural gene (B) Promoter gene (C) Regulator gene (D) Operator gene

Last Answer : Answer : C

The catabolite repression is mediated by a catabolite gene activator protein (CAP) in conjunction with (A) AMP (B) GMP (C) cAMP (D) Cgmp

Description : The catabolite repression is mediated by a catabolite gene activator protein (CAP) in conjunction with (A) AMP (B) GMP (C) cAMP (D) Cgmp

Last Answer : Answer : C

The gene which is transcribed during repression is (A) Structural (B) Regulator (C) Promoter (D) Operator

Description : The gene which is transcribed during repression is (A) Structural (B) Regulator (C) Promoter (D) Operator

Last Answer : Answer : B

An enzyme of pyrimidine nucleotides biosynthesis regulated at the genetic level by apparently coordinate repression and derepression is (A) Carbamoyl phosphate synthetase (B) Dihydroorotate dehydrogenase (C) Thymidine kinase (D) Deoxycytidine kinase

Description : An enzyme of pyrimidine nucleotides biosynthesis regulated at the genetic level by apparently coordinate repression and derepression is (A) Carbamoyl phosphate synthetase (B) Dihydroorotate dehydrogenase (C) Thymidine kinase (D) Deoxycytidine kinase

Last Answer : Answer : A

Regulation of haem synthesis occurs by (A) Covalent modification (B) Repression - derepression (C) Induction (D) Allosteric regulation

Description : Regulation of haem synthesis occurs by (A) Covalent modification (B) Repression - derepression (C) Induction (D) Allosteric regulation

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Glucose-6-phosphatase and PEP carboxy kinase are regulated by (A) Covalent modification (B) Allosteric regulation (C) Induction and repression (D) All of these

Description : Glucose-6-phosphatase and PEP carboxy kinase are regulated by (A) Covalent modification (B) Allosteric regulation (C) Induction and repression (D) All of these

Last Answer : Answer : C

Allosteric enzymes regulate the formation of products by (A) Feedback inhibition (B) Non-competitive inhibition (C) Competitive inhibition (D) Repression-derepression

Description : Allosteric enzymes regulate the formation of products by (A) Feedback inhibition (B) Non-competitive inhibition (C) Competitive inhibition (D) Repression-derepression

Last Answer : Answer : A

Acetyl CoA carboxylase regulates fatty acid synthesis by which of the following mechanism? (A) Allosteric regulation (B) Covalent modification (C) Induction and repression (D) All of these

Description : Acetyl CoA carboxylase regulates fatty acid synthesis by which of the following mechanism? (A) Allosteric regulation (B) Covalent modification (C) Induction and repression (D) All of these

Last Answer : Answer : D

Pyruvate carboxylase is regulated by (A) Induction (B) Repression (C) Allosteric regulation(D) All of these

Description : Pyruvate carboxylase is regulated by (A) Induction (B) Repression (C) Allosteric regulation(D) All of these

Last Answer : D

What is repression?

Description : What is repression?

Last Answer : Repression acts at the gene level, the number of enzyme molecules is reduced in the presence of repressor molecule.

In these trying times of recession, repression, depression, is there one luxury that you refuse to give up?

Description : In these trying times of recession, repression, depression, is there one luxury that you refuse to give up?

Last Answer : HDTV and Internet connection. I must ask-public and watch Lost in HD!

Can we have civility without repression?

Description : Can we have civility without repression?

Last Answer : Too much diversity is not good. This being a good example.

Oppression/Repression??

Description : Oppression/Repression??

Last Answer : In the common parlance, oppression is done by an external authority and repression is done by your own brain. The results may feel alike...and many dictionaries have similar definitions...but I would ... 't" and "I behave in repressed manner, due to genes, childhood, barometric pressure, whatever."

What happened during the year following 1815 when the fear of repression drove many liberalnationalists underground ? -SST 10th

Description : What happened during the year following 1815 when the fear of repression drove many liberalnationalists underground ? -SST 10th

Last Answer : (i) Secret societies sprang up in many European states to train revolutionaries and spread their ideas. (ii) To be revolutionary at this time meant a commitment to oppose monarchical forms ... frightened the conservatives. Metternich described him as the most dangerous enemy of our social order'.

The ability of CTP to bind to aspartate carbamoyltransferase and shut down the synthesis of more A- enzyme induction B- enzyme repression C- feedback inhibition of enzyme activity D- none of these

Description : The ability of CTP to bind to aspartate carbamoyltransferase and shut down the synthesis of more A- enzyme induction B- enzyme repression C- feedback inhibition of enzyme activity D- none of these

Last Answer : feedback inhibition of enzyme activity

Which of the following best explains the phenomenon of forgetting? Options: A) The passage of time B) The phenomenon of reminiscence C) The phenomenon of interference D) Repression

Description : Which of the following best explains the phenomenon of forgetting? Options: A) The passage of time B) The phenomenon of reminiscence C) The phenomenon of interference D) Repression

Last Answer : C) The phenomenon of interference