AZT (zidovudine) inhibits the synthesis of the HIV virus RNA because AZT resembles substrate molecules. Which kind of inhibition is most likely taking place in this reaction?

Q: When tryptophan levels are high in E. coli, what conformation does the trp leader mRNA adoptand what…

A: The question is asking about the effect of high tryptophan levels on the conformation of the trp…

Q: What property of RNA makes it capable of carrying out the functions of a ribozyme? What may be…

A: Ribozymes can catalyze a wide range of chemical reactions, including self-cleavage and ligation, RNA…

Q: Influenza strains have hemaglutinins and neuraminidases on their cell surface. Briefly describe what…

A: Influenza virus is responsible for causing respiratory disease. Four types of influenza viruses are…

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

A: The Structure Of lac operon --Genes present in the lac operon specify proteins which help in the…

Q: What in your opinion can the biomedical engineer do to help in the cure of COVID-19?

A: Biomedical engineering is also termed medical engineering. It is the design concept of medicine and…

Q: Covid does not appear to have any impact on the skeletal system. However, a 21-year old soccer coach…

A: Bone marrow is the spongy substance which is present inside of the bones. It is of two types, 1. Red…

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: What is another name for penicillin binding protein?

A: Penicillin-binding proteins (PBPs) are bacterial proteins, which bind to β-lactam class penicillin…

Q: Rifampicin attaches to the β subunit of bacterial RNA pol. Why is this used as an antibiotic to…

A: The main enzyme of bacterial RNA polymerase is made up of five subunits. The following are the…

Q: Can you infect your dog with COVID-19

A: COVID-19 is a highly contagious infectious disease. It is caused by a coronavirus.

Q: he lac operon contains the genes that the bacterium needs to be able to use lactose as a carbon…

A: An Operon is a unit of structure and function that consists of the clusters of regulatory genes…

Q: 3) Now put this information to use.... suggest a synthesis of 13b, a peptidomimetic inhibitor of the…

A: Compound 13b is a SARS-CoV2 main protease inhibitor and is derivative of α-ketoamide inhibitor.…

Q: In addition to the many pharmaceutical products available to treat various diseases, there are also…

A: Natural Remedies or herbal medicines have been used in many countries for many years. Our nature has…

Q: It has been postulated that thiogalactoside transacetylase (LacA in the lactose operon) plays a role…

A: Introduction  An operon is a DNA functional unit that comprises a cluster of genes regulated by a…

Q: Explain how an E. coli cell that is deficient for proline synthesis (pro-) could become pro+ through…

A: Transduction is the specialized process of introducing a foreign DNA into a host cell, by virtue of…

Q: What would likely result from a mutation in the lac operon promoter that increases the number of RNA…

A: RNA polymerase is the enzyme that polymerises messenger RNA (mRNA) over the DNA molecule. This…

Q: Why are nucleoside analogs active only against replicating viruses?

A: Nucleoside analogs represent the largest class of small molecule-based antivirals, which currently…

Q: If tryptophan is absent from the environment of E.coli, the trp operon will be _______ A) mutated…

A: trp operon It is defined as a group of genes which encode the biosynthetic enzymes for the…

Q: Choose the effect of the given agents to translation or transcription. Choices: RNA polymerase…

A: Translation is the process in which ribosomes in the cytoplasm or endoplasmic reticulum synthesize…

Q: Which of the following lac operon genotypes would allow for functional versions of all the…

A: lac operon: - Inducible system - Both positive and negative regulation. - Involved in lactose…

Q: The following events are those of RNA-directed RNA synthesis in Escherichia coli. Place the events…

A: RNA-directed RNA synthesis is the process by which RNA molecules are synthesized using RNA as a…

Q: What should be the environmental conditions for the fusion proteins of the influenza virus to show…

A: Environmental factors that contribute to influenza epidemics are mostly unclear. There are different…

Q: Draw the Western Blot that would result from undertaking the same experiment in the presence of: i)…

A: It is technique which is also known as protein immunoblotting technique and is versatile technique…

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: Dr Janis toboggan has two patients who were admitted to her hospital with covid-19. And she gave…

A: The null hypothesis is the hypothesis which the researcher tries to disapprove or nullify whereas…

Q: The mechanism by which lactose controls the lac of A) O Catabolite repression B) O DNA polymerase C)…

A: Operons are studied to understand the regulation of gene expression. It is studied under the domain…

Q: Why is phospholipase c is the target on this western blot explain in detail

A: Phospholipase C (PLC) is an enzyme that cleaves the phospholipids just before the attachment of…

Q: You are studying a patient with familial hypercholesterolemia. After performing a biopsy to obtain…

A: The LDL (known as bad cholesterol) is composed of lipoprotein, phospholipid cholesterol and some…

Q: A laboratory in Japan performed a similar experiment on earthworms from different localities of the…

A:

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: Describe the mechanism through which oseltamivir (Tamiflu) inhibits influenza virus reproduction.

A: Oseltamivir (also known as TamifluR) is an antiviral neuraminidase inhibitor used to treat and…

Q: Which of the following is incorrect about protein kinase A (PKA)? It is activated by the 2nd…

A: Protein Kinase A is a type of enzyme that can phosphorylate the serine or threonine residues of…

Q: What sorts of things can we do to help prevent ourselves from catching COVID-19? Explain why these…

A: Coronavirus belongs to the family of Coronaviridae that causes upper respiratory infection. In 2019…

Q: Cytopathic effect on susceptible cells is an important way to detect viral production. Regarding the…

A: Cytopathic effect : It refers to structural changes in host cells that are caused by viral invasion…

Q: Changing only the R-group on a penicillin-family antibiotic could have many consequences. Which of…

A: Penicillin (PCN) belongs to a group of antibiotics used to treat a huge range of bacterial…

Q: Cyclin B and Cdk1 make up MPF which is important to the regulation and initiation of mitosis. a)…

A: Cell cycle The cell cycle is a series of steps where the chromosomes and other cell material…

Q: The bacteria E Coli uses the Trp operon to control its production of tryptophan-producing enzymes.…

A: There are five structural genes in the tryptophan Operon along with the operator and the promoter…

Q: What population is at a greater risk for contracting COVID-19 and why?

A: In the United States and around the world, the COVID-19 pandemic has amplified the transdisciplinary…

Q: Replication of both strands of DNA in adenoviruses occurs ina continuous (leading) fashion. How can…

A: Adenovirus is the most common virus which causes common cold and flu. Adenovirus has a broad range…

Q: A SNP that results in loss of all catalytic activity of a drug-metabolizing enzyme is most likely to…

A: snip is genetic variation which may leads to replace cytosine with thymine at the same places along…

Q: Part A What kind of inhibition is imposed on HIV protease by ritonavir? O irreversible inhibition O…

A: Enzyme inhibition is when an inhibitor binds to the enzyme at the active site or another site, which…