1a.Arrange these ligands in their order of potencies(high to low) 1b. Choose an appropriate concentration of Propranolol needed to block 50% of epinephrine or isoproterenol induced cAMP production via adrenergic receptors expressed in a cell culture model system. 1c. Which of the following has more affinity to bind to adrenergic receptors? And why? I. Epinephrine II. Isoproterenol III. Propranolol

Q: 47.What are histones? What is the protein composition and organization of the nucleosome particle?  ...

A: Note : Hi ! Thank you for the question. We are authorized to answer three subparts at a time. Since ...

Q: Hi, please help me with my assignment. All questions please. 1. The metabolic precursor for the pr...

A: Hi, thank you for posting the question on Bartleby. As per the guidelines we can answer up to three ...

Q: With regard to item packaging, which is true: Group of answer choices Package each item separately; ...

A: True statement with regard to item packaging.

Q: Search for the principles and the uses of the following methods for protein measurements and provide...

A: Proteins are huge, complex molecules that play a variety of essential tasks in the human body. They ...

Q: Chitin is a chemically modified hexose.  Its function in living systems is not as a source of ATP bu...

A: You have asked multiple questions.  I can amswer 1st question, as per guidelines. Please repost othe...

Q: PERCENTAGE COMPOSITION OF WATER INSIDE THE CELL? IT SURROUNDS THE CHROMATIN AND NUCLEOLI? DOUBLE ME...

A: Living things contain both organic and inorganic molecules. In living organisms, most of the molecul...

Q: 23. Contrast the “functional” size of the four major classes of biomolecules.  Background: Up unti...

A: Carbohydrates, proteins, lipids, and nucleic acids are the four major biomolecules. Carbohydrates ar...

Q: Why are some metabolic reactions coupled to the hydrolysis of ATP?     To drive the nonspontaneous...

A: Metabolic reactions are involved during the metabolism of biomolecules like carbohydrates, proteins,...

Q: True or False. Write the word “reducing” if the statement is correct, otherwise write “non-reducing”...

A: Mutarotation is the change in the optical rotation as change in the equillibrium between two anomers...

Q: What is the distinction between the two classes of Topoisomerases (Topo-I and Topo-II). Write the sc...

A: Topoisomerase is an enzyme which helps DNA to be replicated smoothly.

Q: Try calculating the pI of asp-arg. Do a titration curve. Write all the acid and conjugate base pairs...

A: Titration curve is a graphical representation of the pH of amino acids solution with addition of bas...

Q: hy is the last asymmetric carbon used to establish D/L configuration? Is this an arbitrary choice or...

A: A carbon atom has four different groups that are bonded to it which is known as a chiral carbon atom...

Q: When calibrating a pH meter, 3 (three) standard color-coded buffer solutions are used, which of thes...

A: pH is a quantitative measure of how acidic or basic is the aqueous or other liquid solution is. It t...

Q: Here is a portion of a cell membrane.       By percent weight it is composed of      Approximately...

A: The cell membrane contains different macromolecules arranged with each other in orderly manner. The ...

Q: Given the following information on reduction potentials, calculate the standard free energy in kJ/mo...

A: Gibbs's free energy calculation helps to calculate chemical energy when a bond break or form in a re...

Q: OH но HO но- OH HO HO Но- OH OH OH OH

A: The given carbohydrates are composed of three monosaccharides named glucose, glucose, and fructose. ...

Q: Identify the amino acid shown below. (Note: single letter code is provided as answer) H. H,N-C-COOH ...

A: Amino acids are chemical molecules that combine to produce proteins and are hence known as building ...

Q: What properties do each of the following R groups have?

A: Proteins are a type of macromolecule that have a variety of roles in biological processes. It is res...

Q: Which is not a potential side effect of high intakes of omega-3 polyunsaturated fatty acids?    A. ...

A: Examples of omega-3 fatty acids, there are α-linolenic acid (ALA), eicosapentaenoic acid (EPA), and ...

Q: classes of enzymes according to IUBMB

A: The question is about the classification of enzyme according to IUBMB i.e International union of Bio...

Q: QUESTION 10 structures. Disulfide bridges can be formed by and helps in stabilizing O Cysteine; tert...

A: Proteins are complex biological macromolecules that are the polymers of amino acids.  Scientists hav...

Q: The metabolism of alcohol pathway is showed in the figure characterized by biotransformation of: (F...

A: Metabolism-  The primary enzyme involved in the metabolism of alcohol is ADH( Alcohol dehydrogenase)...

Q: QUESTION 30 Below is a standard curve generated by taking absorbances of standard solutions at conce...

A: Proteins are the biomolecules which are composed of amino acids. The concentration of proteins can b...

Q: Compute for the sodium concentration of the patient. Use the same formula in the computation of the ...

A: Spectrophotometry measures the absorbance spectrum of a substance. It measures the absorbance spectr...

Q: What is the function of the buffer bicarbonate in the human body?

A: A solution of chemical which resist the change in pH of system is called buffer. It composed of a we...

Q: polecules used during process, purpose Fermentation & or Occurs when? cules produced during

A: The question is all about the fermentation cycle and glycolysis cycle. Both cycle contain some gases...

Q: Chemical properties of fatty acids. Determination of the titer of higher fatty acids in solution. Au...

A: Fatty acids play an important role of fat in our bodies and food. Fats are broken down into fatty ac...

Q: How much caffeine can be extracted using 50.0ml of DCM if a tea bag contains 15 grams of tea leaves ...

A: Given Values: Amount of tea leaves = 15 grams % of caffeine present in tea leaves = 0.9%  Amount of ...

Q: 4. Which of the following substances is associated with Na+/K+ balance in the human body? a. Cortiso...

A: Thanks a lot for submitting the questions. As you have asked to answer only 4, 5, and 6. Please find...

Q: Give some examples of cofactors, and also of mechanisms bywhich cofactors affect enzyme function

A: Cofactors are non-protein molecules associated with the enzymes. Cofactors are commonly metal ions. ...

Q: 10.18 Using the information in Figs. 10.14 and 10.18, explain how the two oligonucleotides 5'-CAAAGA...

A: Deoxyribonucleotides are the building blocks of DNA. Each nucleotide is composed of five carbon suga...

Q: Create the chemical equation for the following: 1. Olive Oil + Hubl's solution 2. Oleic acid + Hubl'...

A: Hubl’s solution is made by dissolving three grams of mercuric chloride in thirty milliliters of 95 p...

Q: 4. Create a PCR master mix for the following: 48 samples, 25 uL total volume per reaction, 2 uL temp...

A: PCR, or the polymerase chain reaction, is a chemical reaction that is used by molecular biologists t...

Q: Q 3(b) Many drug molecules are required to enter a cell to reach their biomolecular target. Using di...

A: Drugs move by mass or bulk flow or through the process of diffusion. In diffusion, the molecules flo...

Q: Replacing lysine with another amino acid in the protein may alter the shape and function of the prot...

A: Lysine, aspartic acid forming ionic bond b/w NH3+ of lysine and COO- of aspartic acid in given struc...

Q: How many net ATP molecules are produced during the reactions of photosynthesis for each molecule of ...

A: The dark reaction or light independent reaction of photosynthesis reduces carbon dioxide to glucose....

Q: You will be given a stock solution of the dye EVANS BLUE dissolved in distilled water whose concentr...

A: Scientists use molarity to describe the concentrations and it tells us how much solute is dissolved ...

Q: draw the building block in limonene structure, why does the racemate of limonene has the good abilit...

A: Terpenes are a type of a natural product that includes chemicals having the formula (C5H8)n. As a re...

Q: Is Oxaloacetate, a TCA cycle intermediate also a metabolite in gluconeogenesis? If not, which ones ...

A: Gluconeogenesis is a highly energetic pathway that produces glucose from non carbohydrate sources. I...

Q: 1. Identify the monomer shown above 2. Describe two polymers, i that this monomers can form and the ...

A: Genetic material is the blueprint of life, which is the hereditary substance present in the cell. It...

Q: Identify the names of protein separation methods and also understand the methods of separation. (1-2...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: In the formula for sucrose (structure shown above), the bottom ring is pyranose. True or False?

A: A molecule synthesized by living organisms or cells is referred to as a "biomolecule." Carbohydrates...

Q: Lactose is the sugar component of milk, which is why it is referred to as "milk sugar." It is presen...

A: Carbohydrates are the most essential biomolecule and the primary source of energy in many organisms....

Q: Pyruvate generated by glycolysis under anaerobic conditions is converted to lactate or ethanol. It m...

A: Pyruvate, the end product of the glycolysis has two fates: fermentation (in the absence of oxygen) a...

Q: Identify the amino acid shown below. (Note: single letter code is provided as answer) H,N-C-COOH CH2...

A: Amino acids are the building blocks of proteins. The building blocks of living organisms are amino a...

Q: A 50.0 mL juice extract is colorimetrically assayed using Nelson's test. One milliliter (1.00 mL) of...

A: Carbohydrates are polyhydroxy aldehydes or poly-hydroxy ketones with a molecular formula of (CH20)n....

Q: What is the net charge at pH 7 on a peptide with the following sequence? Gly-Ala-Lys-Phe-Asp-Met-Va...

A: For calculating charge at PH 7, there is a basic short trick  PH at 7 = [ RK - DE] Where, R = Argini...

Q: Which statement about amylose is truc? O It is a chain of glucose molecules joined by b-1-> 6 glycos...

A: The detailed solution to the above questions is provided in step 2.

Q: 4. Molecule #4 a)What Group? (Carb, Lipid, Protein, or Nucleic Acid). b)Within the group, how would ...

A: The nucleotides are phosphorylated derivatives of nucleosides,. Nucleosides are compounds made up of...

Q: Examples (at least 5) of house items that have nucleic acids

A: The nucleic acid was discovered by Friedrich Miescher from the nuclei of the pus cells. He called it...