forskolin is a drug used by scientists to render adenylyl cyclase (AC) constitutively (always active. What will this do to: a) PKA levels? b) IP3 levels? O a) increase PKA b) no effect on IP3 O a) no effect on PKA b) increase IP3 O a) no effect on PKA b) no effect on IP3 O a) increase PKA b) increase IP3

Q: 17. Some signal molecules can bind directly to intracellular proteins that bind DNA and regulate…

A: Chemical signals are released by signaling cells in the form of small, usually volatile or soluble…

Q: 10. When a primary signal needs to sent to most cells throughout a multicellular organism, the…

A: Endocrine glands, which are made up of  specialised cells that release substances  used in…

Q: Regarding the production of recombinant monoclonal antibodies, it is CORRECT to state that: * (JUST…

A: We know that antibodies are produced ordinarily by infection or immunization are polyclonal as…

Q: a) What is the main structural and functional difference between microbial opsins and mammalian…

A: Both microbial opsins (type I) and mammalian opsins (type II) exhibit seven transmembrane domains in…

Q: 1) AFosB can act as both a transcriptional activator and repressor. A) False B) True 2) Both…

A: * Protein fosB, also called as FosB and G0/G1 switch regulatory protein 3. It is a protein present…

Q: Isolates of Corynebacterium diphtheriae cause disease only if they carry a lysogenic bacteriophage…

A: Diphtheria is mostly caused by Corynebacterium diphtheriae. It is a gram-positive rod-shaped…

Q: Upon the application of a botulinum toxin to a culture of freshly harvested neurons, a graduate…

A: The protein that is not releasing while the activated neurons that stopped releasing…

Q: In the liver, what is the major regulation that dictates fate of pyruvate vs lactate? (This can tie…

A: Pyruvate that is produced as the end product of glycolytic pathway is converted into acetyl CoA…

Q: Following on from the last question, what assays could you do to find out if your mitochondria are…

A: Succinate dehydrogenase is an essential enzyme that connects oxidative phosphorylation and the…

Q: 12. Which statement regarding cell-surface receptors is correct? A) lon-channel-coupled receptor…

A: These are the transmembrane receptors that are present on the plasma membrane and interact with the…

Q: I need to make an antibody for the extracellular portion of the Notch receptor. I have made S35…

A: Hybridoma technology is used to produce a large number of monoclonal antibodies. Monoclonal…

Q: Why covid19 binds to Ace receptors only? Describe it's mechanism of infecting the cells?

A: COVID 19 is a viral infection caused by the novel coronaviruses. It mainly causes respiratory…

Q: 1. a)how is it possible for such drugs to selectively kill bacterial cells and not our own cells?…

A: The chemicals or the drugs that are employed to kill bacteria are termed antibiotics. The regulation…

Q: Small, monomeric G-proteins differ from trimeric G-proteins in that monomeric G- proteins .. a) are…

A: Receptor tyrosine kinase is a cell surface receptor-mediated by enzyme kinases. Receptor tyrosine…

Q: Synaptic transmission requires a vast number of molecular interactions taking place on both ends of…

A: Molecule locations and roles:(A) PRE-synaptic axon terminal only:Voltage-gated Ca2+ channel: Located…

Q: Write concisely on transcription and its place in protein synthesis

A: Since there are multiple questions in this particular question, I will answer the first one for you.…

Q: Synaptic transmission requires a vast number of molecular interactions taking place on both ends of…

A: Pre-synaptic events:- These are the events which occurs in neurons which are sending…

Q: n ligand binds to a ligand gates ce closes e opens ns flow through gate is released

A: # Here I am answering only one question i.e. third . Please send questions one by one in the portal…

Q: An enzyme used to synthesize the amino acid tryptophan is most likelya) constitutive.…

A: Answer is c.) repressible.

Q: 10. Proinsulin, stored in secretory vesicles in the B-cells of pancreatic islets, is converted to…

A: Proinsulin is a single chain pancreatic polypeptide precursor of the hormone insulin which results…

Q: Which isoenzyme of creatine kinase (CK) is primarily found in cardiac muscle? 1) CK-BC 2) CK-MB…

A: Isoenzymes are the same enzymes with different amino acid composition that perform same chemical…

Q: In what way does the action of the membrane attack complexresemble the action of perforin?

A: The membrane attack complex can be described as an essential component of the innate immune effector…

Q: methyltransferase (TPMT) levels is correct? 27. In the context of 6-mercaptopurine (6-MP) therapy…

A: 6-Mercaptopurine (6-MP) is an important drug used in the treatment of leukemia and other conditions.…

Q: When ligand bin

A: 23) the correct answer is B) Animal cells respond to hormones produced by bacteria.   These hormones…

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: photo-active platinum-based anticancer drugs

A: A group of therapeutic medications known as photo-active platinum-based anticancer therapies rely on…

Q: If PFK is activated in the liver, which of the following statements would be false? a) There are…

A: Aerobic metabolism is a set of three basic metabolic processes that occur in cells to generate…

Q: You have a precursor protein that is translated in the cytosol with an N-terminal mitochondrial…

A: The mitochondria is a double membrane bound cell organelle that is responsible for energy (ATP)…

Q: What is the molecular site of oligomycin action?

A: Oligomycin is a macrolide. It is produced naturally by Streptomyces. It is an inhibitor of the…

Q: Which of the following are the common features for both adenylate cyclase and guanylyl cyclase? a)…

A: Proteins that function as biological catalysts are known as enzymes. Catalysts help to speed up…

Q: 135. During an experiment, a transgenic mouse is developed in which regulatory T lymphocytes (Tregs)…

A: Introduction:- Immune system is a complex system, consisting of different types of cells, tissues…

Q: 1. NSF is an enzyme that uses the energy of ATP hydrolysis to disassemble complexes between v-SNAREs…

A: When the two separated lipid bilayers fuse to form a single layer, this process is known as Membrane…

Q: In pancreatic beta cells, transport of secretory vesicles of the protein hormone insulin from the…

A: The transport of secretory vesicles of the insulin from the trans Golgi toward the plasma membrane…

Q: 2B. S. aureus hemolysin B attacks the RBC cell membrane by hydrolyzing the sphingomyelin headgroup:…

A: Sphingomyelin is a phospholipid with sphingosine  as platform molecule and phosphocholine as head…

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: 3:09 1 < Back Pulse Question 25 (Mandatory) The villi and microvilli are found in the a) liver b)…

A: The two questions have more thorough explanations provided below: Question 25: The small intestine…

Q: Based on these data, where would you MOST likely find toll-like receptor-XX (TLR-XX) among the…

A: TLRs (Toll-like receptors) are immune cells that assist in the detection and response to infections.…

Q: n PLP dependent enzymes, what amino acid is initially bound to PLP in the PLP-Schiff base state? a)…

A:

Q: You work for a large biotechnology company that is studying viruses, vaccines, and small molecule…

A: There are a few important points that should be kept in mind : Viruses are simple, noncellular and…

Q: Researchers have suggested that sleep apnoea (the tendency to occasionally stop breathing when…

A: In a research study, scientists looked at how sleep apnea might affect asthma caused by allergens.…

Q: Nerve growth factor binds to which type of receptor? a.) Receptor tyrosine phosphatases b.)…

A: Receptors are present on the cells surface. These receptors can bind to different signals received…

Q: 135. During an experiment, a transgenic mouse is developed in which regulatory T lymphocytes (Tregs)…

A: Tregs, or regulatory T cells, are immune cells that play an important role in the prevention of…

Q: PDHC is an enzyme complex consisting of 3 different enzymes. Which of the following processes…

A: Pyruvate dehydrogenase complex (PDHC) is the enzyme that converts pyruvate to acetyl Co-A with the…

Q: 1. NSF is an enzyme that uses the energy of ATP hydrolysis to disassemble complexes between V-SNARES…

A: NSF It is abbreviated as N-ethylmaleimide-sensitive factor. It is a fusion protein enzyme which…

Q: The transforming growth factory beta (TGF-b) family of hormones / growth factors are dimers and they…

A: The transforming growth factor beta (TGF-b) family of hormones/growth factors is a group of…

Q: Why must the top agar be supplemented with MgSo4 A) it is required to induce the production of cro…

A: The preparation of top agar is done by taking a low concentration of agar as compared to normal…

Q: What type of mutation might render the following proteins constitutively ac- tive: (a) Smad3, (b)…

A: Constitutive activation is the modification of a protein or signalling pathway so it is functional…