following? Question 89 options: a) Decreased production of thyrotropin-releasing hormone (TRH) b) An increased secretion of thyroid-stimulatory hormone (TSH) c) A direct effect on the synthesis of thyroglobulin on ribosomes d) Decreased gene expression due to the inability of receptors to bind to DNA
Q: Consider the following reaction. What is the consequence of the increase of cytosolic CAMP…
A: During fight or flight response, heart rate and blood pressure increases. This means breathing…
Q: How many high-phosphoryltransferpotential molecules are required to synthesize…
A: The cell membranes are composed of phospholipids, a complex class of lipids in which phosphate is…
Q: Which of the following about adenosine triphosphate (ATP) is FALSE? A) There are two…
A: Introduction :- Phosphoanhydride bonds are high-energy bonds between phosphates in which a phosphate…
Q: Fat-soluble signaling molecules cross the cell membrane; but they affect only the target cells…
A: Answer: FAT SOLUBLE MOLECULES are those molecules which cannot be stored within a cell , they prefer…
Q: Three amino acids that donate amine groups for the purine biosynthesis are a) Glycine, glutamine,…
A: Purines are heterocyclic aromatic compound of carbon and nitrogen and forms nucleotides that in turn…
Q: Which of the following protein domains would you expect to find in an "easily druggable" target b…
A: * protein domain is a part of protein sequence and tertiary structure that can function and evolve…
Q: shown below. The X-axis is time in hours after an oral dose of codeine. [M=morphine;…
A: Drugs administered through oral route are metabolized in the body. Some drugs become inactivated…
Q: What is the cell found in tissues where the hormone produced leaves behind a C peptide during…
A: C-peptide is a peptide composed of 31 amino acids.
Q: 1) Individual with the genetic disease of Familial hypercholesterolemia have higher levels of…
A: Familial hypercholesterolemia is a genetic disorder where the cholesterol levels becomes high mainly…
Q: Glucose-6-phosphatase deficiency (G6PD), also known as von Gierke disease, is glycogen storage…
A: Introduction Carbohydrates, proteins, and fats are the three macronutrients that are present in our…
Q: Which of the following occurs by active transport A)transport of Na+ from region of higher…
A: The transport of substances through the cell membrane, whether into or out of the cell, is referred…
Q: Question 1 A Acrobatta AÇ - Which of the following does not stimulate the 1a-hydroxylase enzyme…
A: The vitamin D is activated by hydroxylase enzyme. It's active form is 1-25(OH)2D. Vitamin D is…
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 of the following gives rise to methionine, threonine, and lysine? a) Glutamate b) Serine c)…
A: Aspartate is an amino acid that can give rise to methionine and lysine through different biochemical…
Q: An individual with an argininosuccinase deficiency is administered benzoate and arginine. This…
A: Argininosuccinase deficiency is a condition where the cells are devoid of an important enzyme i.e.…
Q: 63 Neonatal hyperbilirubinemia is usually treated with phototherapy, resulting in prompt reduction…
A: Introduction Jaundice is an illness in which a high level of bilirubin, a yellow-orange bile…
Q: it's a multiple choice question: which disorder is least related to phenylalanine metabolism ?…
A: a) Albinism: occurs due to deficiency of tyrosinase enzyme that convert tyrosine to DOOA. b)…
Q: Signaling by tyrosine kinase receptors is generally associated with all of the following except: OA)…
A: A hormone is a class of signaling molecules in multicellular organisms that are sent to distant…
Q: Peter has a nasty sinus infection that is allergic to penicillin. Therefore, his physician…
A: The objective of this question is to determine the most appropriate medication for Peter, who has a…
Q: What chemical is the structural basis of the bile salts, Vitamin D, and all of the steroid hormones…
A: Hormones are chemical messengers that are discharged specifically into the blood, which carries them…
Q: Which of the following statements is CORRECT? A) Hexokinase IV is allosterically inhibited by…
A: Enzyme plays an important role in all the metabolic activities in our body. They themselves remain…
Q: What is the first step in glycogen degradation? a) remodeling of the glycogen substrate b)…
A: Glycogenolysis is a process of breakdown of Glycogen to glucose. It takes place in the liver and…
Q: 1) Draw a chromatogram depicting separation of proteins 1, 2, and 3 (protein #1, mw 30,000, protein…
A: The diagram of chromatograph is as follows-
Q: 3-day -old female newborn with a deficiency of mitochondrial carbamoyl phosphate synthetase develops…
A: Carbamoyl phosphate synthetase is an enzyme which catalyzes the first reaction of the urea cycle.…
Q: get help please with this question? Two mutations have occurred to proteins within the glucagon…
A: Upon activation by a ligand, the GPCR undergoes a conformational change and then activate the G…
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: Glucosamine is a common compound that inhibits hexokinase action (the transfer of a phosphate group…
A: Glycolysis - Glycolysis is a kind of metabolic pathway in which glucose is oxidized to produce 2…
Q: Which of the following are clinical manifestations of oxidative phosphorylation disorders ? (more…
A: In electron transport chain flow of electron ( oxidation) is coupled with formation of ATP…
Q: Activation of which of the following enzymes stimulates glycogen synthesis? a) Protein kinase B b)…
A: Phosphorylation is the process of adding one or more phosphate groups to a species while…
Q: Pancreatic beta cells secrete the protein hormone insulin in response to various signals. Which of…
A: insulin stored in membrane bound vesicles adjacent to the plasma membrane and get released from…
Q: In 1920’s, 2,4-dinitrophenol compound was successfully formulated in ‘diet pills’. (a). Briefly…
A: 2,4-dinitrophenol is sold under different names such as Aldifen, Chemox, Dinofan, etc. It is used…
Q: Signaling by tyrosine kinase receptors is generally associated with all of the following except: A)…
A: In contrast to G protein-coupled receptors where the cytosolic domain of the receptor is close to…
Q: Di-isopropyl fluorophosphate is a(n) .................. inhibitor of chymotrypsin ? a) allosteric…
A: Chymotrypsin is a serine protease as contains a reactive serine in its active site. The active site…
Q: In a rare inherited disorder, called Wilson’s disease, excessive amounts of copper accumulate in…
A: It's an autosomal recessive disorder.
Q: Which of the following is NOT a mode of long-distance cell-to-cell communication? a.) Endocrine…
A: Cell to Cell communication It is defined as the transfer of information from one cell to another. In…
Q: Briefly discuss aerobic and anaerobic glycolysis. b) Explain the phenomenon of "induced fit" using…
A: a) Aerobic respiration- It is a process which takes place in 10 steps It starts with glucose and the…
Q: Which of these is not a component of phosphatidylcholine? a) glycerol b) phosphate c) choline…
A: The objective of the question is to identify the component that is not part of the structure of…
Q: the acyltransferase I and II are required for: OA) transporting carnitine in the blood. B) inserting…
A: The enzymes carnitine acetyltransferase (CrAT) are a large family of enzymes that play a crucial…
Q: Researchers use a technique call RNA interference to knock down (i.e. not completely gone) the Bcl-2…
A: RNA is the nucleic acids similar to the DNA and contains uracil instead of the thymine. It plays…
Q: Insulin dependent diabetes is caused by the degeneration of beta cells due to a _________.a) gene b)…
A: Insulin-dependent diabetes is otherwise known as Type 1 diabetes (T1D). This medical condition is…
Q: Which of these molecules has a higher phosphoryl potential than ATP? a) glucose-6-phosphate b)…
A: The objective of this question is to identify the molecule among the given options that has a higher…
Q: A. Which one of the following is an example of affinity chromatography? Select all that apply. a)…
A: Note- According to the guidelines only one question can be answered at a time. Therefore in…
Q: Epinephrine stimulates glycogen breakdown by activating glycogen phosphorylase. However, in the…
A: Glycogen phosphorylase is activated by hormones and neural signal such as epinephrine that stimulate…
Q: Glucagon increases hepatic gluconeogenesis by decreasing the cytosolic concentration of which of the…
A: The hormone glucagon sends signals to the liver to produce more glucose and its release when the…
A dietary deficiency of iodine will lead to which of the following?
Question 89 options:
a)
Decreased production of thyrotropin-releasing hormone (TRH)
b)
An increased secretion of thyroid-stimulatory hormone (TSH)
c)
A direct effect on the synthesis of thyroglobulin on ribosomes
d)
Decreased gene expression due to the inability of receptors to bind to DNA
Step by step
Solved in 2 steps
- Which of the following would result in an INCREASE in BLOOD glucose levels ? choose all of the options that apply. a)AKT mutation that makes it inactive b)A mutation in TBC1D4 that renders it inactive at all times. c)RAB10 has a mutation that boosts its GTPase activity. d) GSK3beta has a mutation that makes it always off. e) The insulin receptor has a mutation that precludes dimerization.Which of the following is important in signal transduction triggered by hormones?a) Phosphatidylinositol and its derivativesb) Phosphatidylserine and its derivativesc) Phosphatidylglycerol and its derivativesd) PhosphatidylethanolamineWhat is the likely function of the cytosolic cAMP in this transduction pathway? Question 16 options: a) It is a competitive inhibitor of the protein kinase. b) It is a hormone. c) It is a messenger RNA. d) It is a coenzyme. e) It is a second messenger.
- Which 2 endocrine glands exert the most control over blood calcium level:a) anterior pituitary and adrenal cortex b) thyroid and ovaries c) adrenal cortex and thyroid d) parathyroid and anterior pituitary e) thyroid and parathyroidWhat is the role of calcium at the synaptic terminal?Explain the active site theory of enzyme functioning?Question 1 AAcrobatta AÇ . Which of the following does not stimulate the 1a-hydroxylase enzyme required for Vitamin D activation? a) Parathyroid Hormone b) Prolactin c) Hypocalcemia d) Calcitonin e) Hypophosphataemia 2113 NEAR EAST UNIVERSITY COyokimya.VETWhat chemical is the structural basis of the bile salts, Vitamin D, and all of the steroid hormones to include estrogen, progesterone, and testosterone? A) Cholesterol B) Arginine C) Glucose D) Acetyl CoA E) Glucose-6-dehydrogenase
- For each of the following examples, indicate whether the drug is acting on physical process, chemical process or enzymatic system (your answer should be only; Physical, Chemical or Enzymatic). A. A drug is used as an antidote in lead poisoning and acts by binding to lead particles in body (chelation therapy). B. A drug acts to reduce flatulence and acts by reducing the surface tension of intestinal gas bubbles in the GI tract (e.g. Simethicone). C. A drug competes with alpha-glucosidase in intestine to reduce glucose conversion from disaccharides (e.g. Acarbose).Insulin dependent diabetes is caused by the degeneration of beta cells due to a _________.a) gene b) alleles c) defective gene d) gene set72. Which of the following hormones promotes protein synthesis in skeletal muscle and lipolysis in adipocytes? A) Epinephrine B) Glucagon C) Growth hormone D) Insulin E) Thyroid hormone
- Now answer the following questions: 1. Is this patient experiencing a disorder affecting anaerobic or aerobic metabolism? a) disorder affecting anaerobic metabolism. b) disorder affecting aerobic metabolism. c) None of them d) Both 2. You decide to perform assays to check the activity of one or more metabolic enzymes in the red blood cells. Which enzyme(s) would you check? a) Amylase b) Enzymes of pentose phosphate pathways c) Transaminase enzymes d) hexokinase, phosphofructokinase, and pyruvate kinaseVon Gierke’s disease is a rare genetic disorder that results in a deficiency of glucose-6-phosphatase. Symptoms ketoacidosis, a buildup of glycogen in the liver, and lactate buildup. Why does this glycogen storage disease not affect the brain? a) The brain is able to still perform glycolysis effectively b) None of the above c) In the event of hypoglycemia, the brain is able to utilize other sources of energy to produce ATP d) The brain is able to metabolize lactate, which is present in high concetrations.One such laboratory study investigated the binding of a hormone to three different receptor proteins in the cell membrane. The data collected are shown in the table below: 1) Provide a brief explanation as to why ligand binding to proteins must be a reversible process. 2) Calculate the dissociation constant (Kd) for the hormone binding to each of the three proteins. 3) Which of the proteins demonstrate the tightest/strongest binding of the hormone? Which demonstrates the least tight binding of the hormone? What is the basis for your answer?
