Which of the following statements is true concerning thermodynamics of reactions within a cell? a) Spontaneous reactions always consume energy b) Unfavorable reactions can be coupled to nonspontaneous reactions c) Compartmentalization can be used to drive up the concentration of substrates to force a reaction to occur d) All important reactions are spontaneous

Q: State whether the reaction below is synthesis, decomposition or exchange reaction a) a phosphate is…

A: The chemical reaction can be of many types such as synthesis, decomposition, displacement, and…

Q: Indicate which enzyme works on each molecule. a) Amylose b) Hydrogen peroxide c) DNA

A: a. Amylose Salivary amylase breaks down amylose, amylopection into smaller chain of glucose called…

Q: There may be more than correct answer for each Which of the following statements regarding enzymes…

A: Enzymes are the biocatalyst  which increases the rate of chemical reaction without  itself being…

Q: Enzymes increase the rate of biochemical reactions by which process? A)  donating electrons to…

A: Enzymes are biological molecules that act as catalysts in living organisms. They speed up…

Q: Which of the following is true about enzymes.  a) Enzymes are catalysts and they increase the rate…

A: Metabolism includes all the chemical reactions occurring in the body that are involved in…

Q: The true statement is A) O Fermentation is anaerobic respiration. B) O The oxygen you inhale is…

A: Fermentation is an anaerobic process.

Q: Define the following as they apply to an enzymatic reaction. Give an example of each. a.…

A: Enzymes are the catalysts that serve to increase the rate of reactions.

Q: Which enzyme would have the greatest catalytic efficiency? a) Km 20 nM; kcat 50 s-1 b) Km 0.04 uM;…

A: [S] is Substrate concentration  V is velocity of reaction  Kcat - Catalytic constant(Turnover…

Q: ATP hydrolysis is _______ because ________. ATP + H2O ADP + Pi a) Exergonic; Its hydrolysis…

A: ATP is the chemical link between catabolism and anabolism. It is the energy currency of the living…

Q: Which is most likely to be tightly bound by an enzyme? a)Analog of the starting material (SM),…

A: Enzymes are biocatalysts that speed up biochemical reactions. The substrate binds to the enzyme's…

Q: Which of the following statements best describes the role of the enteric coating on aspirin tablets,…

A: Aspirin, also known as acetylsalicylic acid, is a drug that can be used to relieve pain, minor…

Q: Which of the following is/are true concerning the first law of thermodynamics?

A: Thermodynamics is the part of science that deals with heat and temperature, and their relation to…

Q: What is the difference between cellular respiration and fermentation? Select an answer. a) cellular…

A: The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs…

Q: a) Which of these contration of all substrates and enzymesed state of a biological system? a) There…

A: The term "standard conditions" in biology typically refers to a set of reference conditions that are…

Q: which enzyme facilitates a hydration reaction? a) phosphoenolpyruvate carboxykinase b) enolase c)…

A: Enzymes are a class of proteinaceous compounds that facilitate the successful completion of a…

Q: All of the chemical reactions of a specific organism that result in the synthesis of ATP and supply…

A: Anabolism is the synthesis of complex molecules in living organisms from simpler ones together with…

Q: 44) NADPH is the coenzyme of choice in reactions while NAD+ is the coenzyme of choice in reactions.…

A: NADPH --( Nicotinamide Adenine Di nucleotide Phosphate ) --NADPH is a typical coenzyme responsible…

Q: Carbonic anhydrase catalyzes the reaction between carbon dioxide and water to produce carbonic acid.…

A: The major components of enzyme catalyzed reactions are substrate(s), enzyme(s) and product(s). A…

Q: What do we mean by NAD?       a)  none of these answers apply   b)  nucleolus associated…

A: These are generally gene-free areas that are hypothesized to be important in the organizing and…

Q: Which of the following statements about enzymes are true?  Choose all that apply. Group of answer…

A: The enzymes are biological catalysts that enhances the rates of biological enzymes. Most enzymes are…

Q: Which of the following statement regarding enzymes is false?

A: The majority of vital biological processes are based on how enzymes work. The linear amino acid…

Q: The activation of allosteric enzymes leads to: a) dissociation of protomers upon breaking weak…

A: Allostery refers to process whereby a binding event at one site of a biological macromolecule or…

Q: A molecule that is oxidized... a) captures light energy Ob) accepts electrons Oc) reacts only with…

A: Oxidation is a chemical process in which involves the loss of electrons from a substance.  A…

Q: 8) Biological catalysts involved in the acceleration of the rate of chemical reactions are called A)…

A: Metabolism refers to the sum of both anabolic and catabolic reactions. It refers to the…

Q: what each term means and why it applies to either anabolism or catabolism. a) endergonic b)…

A: Anabolism is the formation of large molecules from the smaller one through biological reactions,…

Q: Which of the following is true under the following conditions: an enzyme displaying Michaelis-Menten…

A: Enzymes are protein molecules that increase the rate of reaction by million times. Enzymes do not…

Q: a) Compare anabolism and catabolism for energy input, monomers and polymers position as reactants or…

A: Several metabolic reactions occur in the living organisms, which makes survival possible. Metabolic…

Q: enzyme catalysts

A: Enzymes, the intricate conductors within organisms, stand as elaborate proteins crafted for…

Q: Which class of macromolecules includes a majority of cellular enzymes? O nucleic acids proteins…

A: The answer for the first question is option B - proteins. Enzymes are protein macromolecules.…

Q: When NAD+ accepts electrons during a glycolysis reaction, this is an example of a _____ reaction.…

A: Glycolysis is the central pathway for the Glucose metabolism where the Glucose is converted into the…

Q: 2a) Any chemical reaction in which the free energy of the products is lower than the free energy of…

A: A spontaneous reaction is one that release free energy and moves to a more thermodynamically stable…

Q: Consider a hypothetical metabolic pathway involving four enzymes to convert molecule A into molecule…

A: Feedback inhibition is important to control the metabolic pathway. Enzymes act as a biocatalyst that…

Q: The figure below represents a reaction in the presence and absence of an enzyme catalyst. What can…

A: Catalysis is a word used to describe a process that involves the presence of a material (the…

Q: As biological catalysts, enzymes play a fundamental role in many cellular processes. Which of the…

A: From above question  only 4 th statement is true about enzyme means option D is correct. Enzymes…

Q: Which one of the following statements about the control of enzyme activity by phosphorylation is…

A: Kinases are enzyme that catalyzes phosphorylation reactions, which involves the transfer of…

Q: Several of these reactions are energetically unfavorable and will only occur if coupled to a second,…

A: Energetically reactions have two types of conditions: Energetically Favorable Condition: The…

Q: Q: Select the features of the structure and functioning of allosteric enzymes: a) are metabolic…

A: Introduction: The enzyme is proteins that increase the rate of reaction that that occurs inside the…