If the lacZ protein breaks down lactose, is it worthwhile to make it when there is no lactose around? How does the bacteria use this system to efficiently control the production of the lacZ protein? Does the presence of lactose in the cell alter its ability to repress translation? To what does the lacI protein bind to? What effect does the lacI gene have on transcription of the lacZ and lacY genes?

Q: How does binding of the trp corepressor to the trp repressor alter repressor function and…

A: The bacterial transcription unit containing more than one gene is known as an operon. An operon has…

Q: What would happen if the operator sequence of the trp operon contained a mutation that prevented the…

A: Trp Operon is an operon that codes for the components for the production of Tryptophan, it consists…

Q: Mutations in bacterial promoters may increase or decrease the rate of gene transcription. Promoter…

A: Introduction Promoter are the consensus sequences found either upstream or partially downstream of…

Q: In EUKARYOTIC translation, how does initiation of translation occur? a) What components of the…

A: The process of decoding the genetic information carried by mRNA molecules in order to synthesize…

Q: ATM is a kinase that phosphorylates histone H2AX in response to double-stranded DNA breaks. Which of…

A: ATM (Ataxia Telangiectasia Mutated) is a protein kinase that plays a critical role in the cellular…

Q: Hemophilia in the Russian royal family was caused by defective protein involved in blood clotting…

A: Hemophilia -- It occurs in about 1 of every 5000 males .     Usually a inherited disorder in which…

Q: Termicin is a small antifungal protein in termites that is produced by cells and secreted into…

A: The DNA sequence containing the termicin-encoding gene is transcribed into mRNA in the nucleus of…

Q: A particular mutation in the bacterial sigma factor allows this protein to bind RNA polymerase but…

A: Answer - Option A - It will prevent the transcription termination exerted by the Rho protein

Q: What experimental results would indicate that the mutation lacISlacIS is dominant to lacI+lacI+?…

A: The lac operon is a set of genes that are responsible for the metabolism of lactose in bacteria. The…

Q: How does the repressor protein contribute to selective expression of the structural genes Z, Y, and…

A: The prokaryotic gene expression is regulated by operon system, that regulates the transcription of…

Q: a)How far along the DNA would the transcription "bubble" formed by RNA polymerase move in 10…

A:

Q: Some events that occur during the expression of a neuronal glutamate receptor protein are listed…

A: The sequential events that occur during the expression of neuronal glutamate receptor protein are…

Q: The lac operon consisting of lacl, lacZ and lacY genes in addition to all the transcripton factors…

A: Lac operon is an example of an inducible operon here lactose act as a inducer so, in the presence of…

Q: A constitutive mutation in the lac operon may be of several types. [Note that constitutive means…

A: A constitutive mutation in the lac operon may be of several types. Here we have to choose two types…

Genomics

Genes are responsible for transmitting the characters located on the chromosomes from one individual to another across the generations. Genetics is the study of different genes that are involved in different functions. Genetics is a branch of biology that studies genes, genetic diversity, and heredity in living organisms. The genetic system consists of genetic notations, which is a system of signs and symbols. Genotype refers to the organism's genetic composition, and phenotype refers to the observable property of the organism.