Q: Cellular respiration is best described
A: In this question, we have to answer that cellular respiration is which type of reaction.
Q: DESCRIBE THE ROLE OF ATP IN THE COUPLING REACTIONS SEEN IN BIOLOGICAL PROCESSES
A: Adenosine triphosphate is the energy molecule for life. It is the high-energy molecule that stores…
Q: ACTIVITY 5.2.3 Make a graphical representation of activation energy and change of free energy in a…
A: A spontaneous reaction that is thermodynamically favorable is accompanied with a negative change in…
Q: Effects of temperature and enzymes on free energy and activation energy Use the graph to determine…
A: Enzymes Biological catalysts of the chemical reactions. They are neither consumed nor permanently…
Q: valuate the following statements concerning enzyme kinetics. Which one of the statements is false?…
A: Enzyme kinetics is that the study of the rates of chemical reactions that are catalysed by enzymes.…
Q: TRUE or FALSE Direction: Write T if the statement is TRUE and F if the statement is wrong. 1. There…
A: Since we only answer up to 3 subparts, we'll answer the first 3. Please resubmit the question and…
Q: Draw an energy diagram for a generic slow, exothermic reaction. Label all appropriate parts, and…
A: The energetics of any chemical reaction is studied under the field of chemistry known as…
Q: Which of the following statements are correct? Explain your answers.A. Many, but not all,…
A: Electron transport chain consists of a series of electron carriers which act in a sequential manner.…
Q: a. been reduced as a results of a redox reaction involving the loss of an organic phosphate. b. a…
A: In phosphorylation, addition of a phosphate group occurs to an existing molecule in order to prepare…
Q: Cells are able to extract energy from glucose during cellular respiration. Which of the following…
A: Bond breaking and bond formation are two different processes. In bond breaking, energy is absorbed,…
Q: Many organisms are able to live in extremely cold or hot temperatures, for example, the thermophilic…
A: There are many organisms, such as extremophiles, which live in extreme conditions. For example,…
Q: Briefly explain the concept of coupled reactions.
A: A chemical reaction having a common intermediate in which energy is transferred from one side of the…
Q: Life requires energy. In a short essay (100–150 words), describe the basic principles of…
A: The basic principle of bioenergetics is living cells and organisms must perform work to stay, alive,…
Q: Compare the net production of ATP from four molecules of glucose (4 x C6) with that from one…
A: Glucose is oxidized through glycolysis, pyruvate dehydrogenase reaction, and the TCA cycle into…
Q: Explain the electron transport chain & ATP synthase, and point out active (require energy) and…
A: Electron transport chain is series of reaction which uses the redox energy of NADH and FADH,…
Q: ATP provides chemical power to biological systems. • Explain WHY we need ATP (for what type of…
A: *Cellular respiration is the process that occurs in the mitochondria where the sugars are broke down…
Q: Which statements are true and which are false? Modify each false statement so that it reads…
A: Chemical thermodynamics is the study of the interrelation of heat and work with chemical reactions…
Q: Which is the FALSE sentence about the ATP (Adenosine Triphosphate) in biological system? a) ATP…
A: ATP⇌ADP+Pi ATP hydrolysis is an exergonic process coupled with endergonic reaction. It involves…
Q: Describe the changes in energy types from the beginning of the sprint to the end. Would you consider…
A: Energy provides an individual the ability to perform work. Thus the muscles are able to do the work…
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: Which of the following statement is FALSE? a.Catabolic pathways are energetically favorable. b.All…
A: Catabolic pathways are those pathways which function to breakdown complex molecules into simpler…
Q: Which of the following is NOT a reason that ATP is generally used as the activated carrier of…
A: Introduction :- Adenosine triphosphate (ATP) is the source of energy at the cellular level. ATP is a…
Q: Why the sugar molecule is not broken down slowly are gradually in a series of steps? Why not all the…
A: The breakdown of sugar molecule and the production of the ATP comes under a metabolic pathway which…
Q: graph shows the reaction coordinate of an enzymatic reaction of substrate to product a) which number…
A: When substrate converts into product Activation energy is required. Activation energy is the minimum…
Q: Which statement is FALSE? a. For S P, a catalyst shifts the reaction equilibrium to the right.…
A: Enzymes are the biological catalysts that aid in lowering the activation energy of a reaction. Thus…
Q: What is free energy? What is its symbol? 2. For an exergonic reaction, what is the value of △G? 3.…
A: There are various reactions taking place inside a cell. The biochemical reactions in the cells can…
Q: ATP hydrolysis is highly _____ because it involves _____. Endergonic; removal of a phosphate…
A: ATP or Adenosine Triphosphate, is the energy currency which supplies the cell. The energy released…
Q: a) What is the Steady State assumption; how does steady state differ from equilibrium? b) Transition…
A: Steady-state assumption means that the concentration of the intermediates of the reaction remain…
Q: List a few examples of cellular work. e. Where does the energy to make ATP come from? It doesn't…
A: Enzyme: It is a biocatalyst that increases the rate of a chemical reaction by lowering the…
Q: As a result of an experiment following measurements were obtained from a cell: ATP concentration of…
A: Gibb's free energy is the portion of the total energy of a system which is available for useful…
Q: During the hydrolysis of ATP, free energy is released when the bond between the anhydride bond…
A: Energy coupling is a process in which energy produced from one process or reaction (energy released…
Q: a. Calculate the Km and Vmax of the reaction b. A competitive inhibitor is added to the reaction at…
A: Enzyme kinetics is used to study the rates of enzyme catalyzed biochemical reactions. We can observe…
Q: Thermogenin in the inner membrane of brown fat cell mitochondria does all of the following except…
A: Brown fat represents the brown adipose tissues that are specifically abundant in infants.
Q: Metabolic state of cells and organism can be associated with inmplication of ATP and NADH. Explain…
A: Aerobic cellular respiration occurs in four stages-glycolysis, pyruvate oxidation, the citric acid…
Q: Using a simplified series of diagrams describe how a cell can extract 38 molecules of ATP(net)from…
A: Using a simplified series of diagrams describe how a cell can extract 38 molecules of ATP(net)from…
Q: The complex chemical reactions that occur in living organisms can sometimes be summarized with…
A: Photosynthesis and aerobic respiration are some of the important metabolic pathways occurring in…
Q: Which of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b…
A: Exergonic reaction is the reaction in which energy is released when reactants are converted to…
Q: Exergonic reactions such as the breakdown of ATP, are said to be “spontaneous.” However, by…
A: A chemical reaction is said to be exergonic when the changes in its free energy are negative means…
Q: Which of the following statements about oxidation-reduction (redox) reactions is correct? A) The…
A: Oxidation- reduction reaction is also called as redox reactions. It is a type of chemical reaction…
Q: ATP is intermediate in the hierarchy of phosphorylated compounds with high standard free ener…
A: Disclaimer: Since you have asked multiple questions, we will solve the first one for you. If you…
Q: Which is established by the electron transport chain and can be used to drive cellular work…
A: The ETC (electron transport chain) is a set of protein complexes that connect redox processes to…
Q: Which of the following statements concerning ATP is true? a. The free energy value for the…
A: Glycolysis is the process of synthesis of pyruvate from the breakdown of glucose. The whole reaction…
Q: If energy-coupling between the reactions ADP ---> ATP and H-P --> H is direct, how many enzymes and…
A: Enzymes are defined as the biological molecules where they acts as the biocatalytic substance and…
Q: What are the high energy molecules that are effective in metabolism other than ATP? Write down the…
A: Cell metabolism is a set of chemical reactions occurring in a biological system that provides energy…
Q: High energy compounds’ exist in the metabolic pathways. (a). Define ‘high energy compounds. (b).…
A: There are several reactions involved in metabolic pathways. The biological system tends to minimize…
Q: Which of the following factors does not pay for the generation of NADH and ATP during steps 6 and 7…
A: The energy system that breaks down carbohydrates into smaller carbon molecules is known as…
Q: How can thermodynamically unfavorable reactions, such as the synthesis of DNA and protein polymers,…
A: An endergonic reaction (also known as a heat absorbing nonspontaneous reaction or an unfavourable…
Q: Which of the following descriptors best characterizes a non-spontaneous reaction? a. Occurs…
A: Dear student, as per our honour code, we are authorized to answer one question at a time, since you…
Q: When you exercise, your muscles are using ATP to do the movements. Thus, the cell is doing cellular…
A: Answer is given below
Relating to bioenergetics:
a. The equilibrium constant for a particular reaction is 6.8 x 10-5 which makes this reaction exergonic. True or False?
b. All processes that occur in the universe are spontaneous and have low enough activation energies that molecules can often overcome the energy barrier. True or False?
c. ATP has a highly negative free energy change in part because the negative charges on the oxygens repel each other in ATP but less so in ADP. True or False?
Step by step
Solved in 2 steps
- Answer all questions please. Which of the following descriptors best characterizes a non-spontaneous reaction? a. Occurs without the input of ATP; occurs quickly; results in a negative change in free energy b. Often coupled to exergonic reactions; rate of reaction varies; results in a negative change in free energy c. Occurs without input of ATP; rate of reaction varies; results in a positive change in free energy d. Often coupled to exergonic reactions; occurs quickly; results in a positive change in free energy e. Often coupled to exergonic reactions; rate of reaction varies; results in a positive change in free energy In guinea pigs, black coats (B) are dominant to brown coats (b). What would be the genotype of a guinea pig that is homozygous dominant for coat color? a. BB b. Bb c. bb d. B e. b In guinea pigs, black coats (B) are dominant to brown coats (b). A guinea pig that is heterozygous for coat color would produce which…The complex chemical reactions that occur in living organisms can sometimes be summarized with chemical equations. The overall process of photosynthesis and aerobic respiration can both be summarized in this way. For the following equations, first determine whether each is summarizing photosynthesis or aerobic respiration, and then click on each of the boxes below the equations and correctly label all of the reactants and products. The following equation summarizes the reactants and products of A. aerobic respiration B. PhotosynthesisWhich statements concerning free energy change are true?a. Free energy change is a measure of the rate of a reaction.b. Free energy change is a measure of the maximum amountof work available from a reaction.c. Free energy change is a constant for a reaction under anyconditions.d. Free energy change is related to the equilibrium constantfor a specific reaction.e. Free energy change is equal to zero at equilibrium.
- You have a reaction that is very slow on its own, but is accelerated in the presence of an enzyme. Which of the listed effects would be brought about by an enzyme catalyzing this reaction? (Select all that apply) increased kcat increased Keq increased biochemical standard free energy change decreased activation energyDescribe the changes in energy types from the beginning of the sprint to the end. Would you consider this reaction endothermic?What terms would best describe the above coupled reaction?A. it is non-spontaneous and endothermic (because the overall Go is positive)B. it is spontaneous and exothermic (because the overall Go is positive)C. it is non-spontaneous and exothermic (because the overall Go is positive)D. it is spontaneous and exothermic (because the overall Go is negative)E. it is non-spontaneous and endothermic (because the overall Go is negative)
- What statements concerning free energy change are true or false? a. Free energy change is a measure of the rate of a reaction. b. Free energy change is a measure of the maximum amount of work available from a reaction. c. Free energy change is a constant for a reaction under any conditions. d. Free energy is related to the equilibrium constant for a specific reaction. e. Free energy change is equal to zero at equilibriumEvaluate the following statements concerning enzyme kinetics. Which one of the statements is false? a. Enzyme saturation fluctuates. b. In an uninhibited enzymatic reaction system, adding an excess of substrate will increase the reaction velocity beyond Vmax. c. The Vmax of an enzyme kinetics graph represents the point at which the enzyme is saturated with substrate. d. Non-competitive inhibition of an enzymatic reaction can be overcome by adding more unaltered enzyme. e. The activation energy of a reaction can be reduced by the presence of an enzyme.Which of the following statements concerning ATP synthesis is NOT true? a. The open conformation of the ATP synthase is for releasing ATP. b. The gamma subunit in the stalk responds to the flow of H+ and rotates the assembly counterclockwise and thus change the conformations of the active site to synthesize ATP. c. The tight conformation of the ATP synthase is for converting ADP and phosphate to ATP. d. The loose conformation of the ATP synthase is for binding ADP and phosphate. e. Ten protons are required to catalyze the rotation of the subunits so that one ATP is synthesized. Clear my choice
- Which statements are true and which are false? Modify each false statement so that it reads correctly. a. In a closed system, neither energy nor matter is exchanged with the surroundings. b. State functions are independent of the pathway. c. A process is isothermic if ΔH = 0. d. The sign and magnitude of ΔG give important information about the direction and rate of a reaction. e. At equilibrium, ΔG = ΔG°. f. For two reactions to be coupled, they must have a common intermediate.The graph shows the reaction coordinate of an enzymatic reaction of substrate to product a) which number correlates with the overall Keq of the reaction going from S to P? b) which number correlates with the velocity of the reaction WITHOUT enzyme (ie. starting with only substrate)? C) which number correlates with the overall velocity of the reaction WITH SATURATED enzyme D) the initial velocity of this reaction increases by a specific factor in the presence of enzyme. The difference between which two numbers best correlates with this enhancement in velocity? 1) 3 and 1 2) 3and 2 3) 3 and 4 4) 3 and 5 5) 3 and 6Which of the following statements concerning ATP is true? a. The free energy value for the hydrolysis of ATP is nearly the same for ADP. b. The free energy value for the hydrolysis of ATP is greater than that for ADP. c. ATP hydrolysis is more likely at pH 5 than at pH 7. d. One mole of glycerate-1,3-bisphosphate can phosphorylate one mole of AMP to yield ATP.
