why does the activation of M-cdk also result in the activation of Cdc25? What is the mechanism behind it?

Q: Describe four mechanisms that result in the generation ofantigen receptor diversity.

A: Antibodies are the antigen-binding glycoproteins that are synthesized exclusively by B- cells and in…

Q: Name four downstream effects of p53 activation.

A: Gene expression is usually accomplished through mRNA transcription and protein synthesis. p53 is a…

Q: Which option is true when considering the regulation of cAMP and the Lac operon. If bacteria are in…

A: Introduction: An operon is a coordinated unit of genetic expression in a bacteria. Jacob and Monod…

Q: Given that the the trp operon is a negative repressible operon what happens to the trp repressor in…

A: Introduction  The lac operon model is a classic example of gene regulation in prokaryotic cells. The…

Q: What must occur for TP53 to no longer function properly?

A: Tp53 gene is a tumor suppressing gene which means that it is active to stop the tumors from…

Q: If a bacteria cell, that has the lac operon, is metabolizing lactose glucose is absent and…

A: We are answering first question. Pls repost for second question.

Q: A researcher discovered Suramin as a potent and selective inhibitor of Mycobacterium tuberculosis…

A: Surarnin is a potent and selective inhibitor of the RecA protein in Mycobacterium tuberculosis (Mtb)…

Q: Why is TBP considered to be a universal transcription factor?

A: The TATA-binding protein is a general transcription factor that binds specifically to a DNA sequence…

Q: APC is a ubiquitin ligase activated by M-cyclin Cdk What is the function of APC when bound to…

A: An integral regulator of cell division that is encoded by the CDC20 gene in humans is the cell…

Q: What is conversion of dUDP to dTTP?

A: A nucleoside triphosphate is a molecule containing a nitrogenous base bound to a 5 carbon sugar…

Q: What is the difference in how mediator works with activation vs. repression of transcription?

A: Transcription refers to the mechanism in which the genetic information in DNA is transferred by RNA…

Q: A mutation in the repressor LacI causes it to lose the ability to bind its effector, allolactose.…

A: The question is asking about the effect of a mutation in the LacI repressor that causes it to lose…

Q: Why is it advantageous for p53 to be activated by factorssuch as ER stress, UV light, and hypoxia…

A: The p53 is known as tumor protein formed from the TP53 gene. The protein acts as a tumor suppressor…

Q: Which are the events causing loss-of-heterozygosity in somatic cells of RB+/RB− individuals?

A: The DNA (deoxyribonucleic acid) is the genetic material that is inherited by the progeny from the…

Q: What are the effects of the following conditions on Lac operon of bacteria? Do not forget to mention…

A: Lac Operon helps in the metabolism of lactose in bacteria.

Q: How could the increase in a protein that inhibits the activity of sigma-32 lead to an increase in…

A: The "molecular chaperone", dnaK, is induced upon heat shock and promotes ATP-dependent refolding or…

Q: Suggest a mechanism by which ARF leads to p53 build-up.

A: p53 protein gets activated when there is a damage in  DNA sequence which can be induced by any other…

Q: How High levels of MT2A transcription are stimulated ?

A: There are different biomolecules present and they include carbohydrates, protein, lipids, and…

Q: How does the activity of human p53 get regulated through the interaction of the transactivation…

A: p53 is basically a transcription factor that helps in suppressing the growth of the tumor. This…

Q: At what DNA strand is the ACTB gene coded? How many ACTB genes are coded in this region?

A: The ACTB gene codes for the Beta-actin protein, which is a member of the actin protein family. Actin…

Q: Why do multicellular eukaryotes need to have hundredsof kinase-encoding genes?

A: Gene expression in  eukaryotes are highly responsive to the outer environment.  The large eukaryotic…

Q: What role does p53 signaling play in normal cells?

A: p53 is a tumor suppressor protein that plays a crucial role in maintaining the genomic stability of…

Q: Why is the biological activity of the v-Src protein so different from that of c-Src?

A: Src is also called a proto-oncogene. It is a non-receptor tyrosine kinase. It phosphorylates…

Q: What occurs when the JAK-STAT pathway is activated?

A: The JAK/STAT pathway is a cell signaling pathway. The JAK are a category of proteins belonging to…

Q: What is the effect of a mutation in the allosteric site of the Lac Repressor protein?

A: Lac operon (often called lactose operon) is an important operon sequence required for the metabolism…

Q: What is the relationship between the rpoS gene and the SOS repair mechanism? Briefly explain.

A: In response to the severe DNA damage; many cells have the mechanism which enable them to synthesize…

Q: Using M cyclin-Cdk as a specific model describe the different ways it can be activated or…

A: The mitotic (M) phase comprises of mitosis and cytokinesis. Mitosis is the process of cell division…

Q: Tryptophan (Trp) attenuation is an extra mechanism of regulation of trp operon when trp level is too…

A: The trp Operon, is nothing but a sequence of DNA that is responsible for the regulation of formation…

Q: How does porins regulate transcription in E. coli and what is the role of EnvZ (sensor kinase) and…

A: Porins are outer membrane proteins associated with the modulation of cellular permeability and…

Q: If p63 can bind to the same promoter elements as p53, why would it be considered an inhibitor of…

A: Promoters are DNA sequences that function as a kind of "On" switch to start the biological process…

Q: Question 1 (1 point) Which statement(s) about the lac operon in E. coli is correct? O A) It is an…

A: The lac operon in Escherichia coli (E. coli) is a well-known example of gene regulation in bacteria.…

Q: What are the function of inducer?

A: The inducer is a molecule that regulates gene expression.

Q: What are the consequences of inhibiting the m-phase promoting complex

A: THE M phase promoting factor is also known as an m-phase kinase. It is one of the important complex…

Q: what is the role of TERF2 in the deregulation of CDKN1A gene to cause cancer.

A: The basic unit of heredity is the gene, which is a DNA region that codes for a specific protein.…

Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.