What are enzymes? A. Enzymes are biological catalysts made up of amino acids O B. Enzymes are biological catalysts that create an environment to lower the energy expenditure to break "old" bonds. C. Enzymes are biological catalysts that provide a mechanism to make unfavorable reactions proceed. D. Enzymes are biological catalysts that require cofactors to effect catalysis E. Enzymes are biological catalysts that provide the means to channel chemical energy to allow biological transformations to occur

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A: Gadolinium (Gd) is a silvery white metal. Gd (III) is useful in medical imaging purposes, in NMR…

Q: Which of the following describes a reaction that requires substrate 1 to bind the the enzyme, then…

A: Proteins are macromolecules that help in the structure and function of the living body. Enzymes are…

Q: on Which of the following statements about enzymes is CORRECT? Select one:* O A. Enzymes slow down…

A: introduction: Proteins are the most common, although some RNA molecules can function as enzymes.…

Q: A cofactor is a __________.  An example of a cofactor is _________. Select one: a. protein that…

A: A cofactor is a molecule that is not a protein and aids a biological reaction. Cofactors can be…

Q: Which of the following is incorrect about enzyme inhibitors? a. They can be reversible or…

A: Aspirin irreversibly inhibits the COX-1 enzyme. It covalently modifies this enzyme and is used to…

Q: The lock-and-key theory described the action of ______. Select one: a. enzymes as locks that fit…

A: Lock-and-key theory describes the formation of an enzyme substrate complex. The complementarity…

Q: Which of these statements about enzymes is true? a,Most proteins are enzymes. b.Most enzymes are…

A: Enzymes are Biocatalyst which are involved in increasing the rate of chemical reaction in the cell…

Q: Which statement about metabolic pathways is false? OA. A specific enzyme catalyzes each…

A: Metabolic pathways are set of reactions catalysing conversion of one substrate into some product.…

Q: Allosteric enzymes in biosynthetic pathways are often inhibited by the binding of a ligand. The…

A: All biological systems are well regulated. There are various regulatory things in our body, that…

Q: Which of the following is NOT true of enzymes?   A. Made of protein B. Made of carbohydrates C.…

A: Enzymes are defined as the protein which is involving in the catalysis of biological reactions. So…

Q: Which of the following chemical reactions would occur most rapidly without an enzyme?   Select one:…

A: Introduction: Enzymes are the biological catalyst which means they are the catalysts of life. They…

Q: Which of the following is true about the phosphorylation of proteins? A. Proteins are usually…

A: Protein phosphorylation is a mechanism that helps regulate proteins' function as well as transmit…

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A: Lactose is a sugar which comprises of galactose and glucose . Molecular formula of lactose is…

Q: The organism Escherichia coli, a bacterium, normally lives in the large intestine of mammals. The…

A: Enzymes are the biological catalysts that play a crucial role in the metabolic reactions occurring…

Q: ½ O₂ + 2H+ +2 e → H₂O FAD + 2H+ + 2e → FADH₂ E'º = 0.816V E'º = -0.219V Calculate the AG" of the…

A: Biological oxidation-reduction reactions involve the transfer of electrons from one biomolecule,…

Q: Pauling's model couldn't be right because:   A. the negative oxygen atoms of the phosphate groups…

A: DNA or deoxyribonucleic acid is the genetic material in most organisms. According to Pauling's…

Q: proteins function to give structure to the body, regulate processes, provide protection, help…

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Q: Amino acids that potentially can participate in acid-base catalysis in an enzyme active site, by…

A: Proteins are made up of amino acid. Amino acids contain both an amino group and a carboxyl group.…

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A: The smallest unit in biology which can live on its own and makes up all living creatures and body…

Q: You are studying Protein X, which is a tetramer whose function is to bind glucose. You have found a…

A: In biochemistry, allosteric regulation (or allosteric control) is the binding of an effector…

Q: You are performing an enzyme kinetics experiment testing the effect of pH on reaction rate. You…

A: pH is the negative log of hydrogen ion concentration. Enzyme kinetics is the study of how fast an…

Q: Which of the following is NOT true about enzymes     A. they do not alter reaction equilibria…

A: All Enzymes are actually proteins they act as biocatalysis in any chemical or metabolic reaction by…

Q: An Enzyme..     A. Becomes part of the final products B. Is consumed by the reaction C. Is…

A: Enzymes are proteins that act as biological catalysts to accelerate the reaction.  They are specific…

Q: Anabolic reactions:   A. Require Energy B. Create Energy C. Break large compounds into simpler…

A: All of the chemical reactions that occur in a living organism are referred to as metabolism.…