Homework Answers
8} battery being recharged is non spontaneous process, because electrical energy is continuously supplied to rcharge the battery
9}in exorgenic reaction energy is released to the surrounding hance A is answer
10} Fat 9cal/g
Add Answer to:
8.) Which of the following processes is nonspontaneous? A) An antacid tablet reacting with stomach acid...
Choose the correct reaction coordinate diagram for a two-step reaction in which the first step is...
Choose the correct reaction coordinate diagram for a two-step reaction in which the first step is endergonic, the second step is exergonic, and the overall reaction is endergonic. Pay attention to the reactants, products, intermediates, and transition states A reactants) B = first transition state C = intermediate D = second transition state E =product(s) Free energy Progress of the action A = reactant(s) B = intermediate C = first transition state D = second transition state E = product(s)...
a- In the induced-fit model of enzyme action, a _______ must bind to the enzyme's______ for...
a- In the induced-fit model of enzyme action, a _______ must bind to the enzyme's______ for the enzyme to perform its function. (A) catalyst; activation energy (B) product; catalytic site (C) product; active site (D) water molecule; allosteric site (E) substrate; active site b- Which of the following is CORRECT for an exergonic reaction? (A) more activation energy is needed than for an endergonic reaction (B) less activation energy is needed than for an endergonic reaction (C) products have more...
Thinking Through the Concepts Multiple Choice 1. Which of the following is True? a. Enzymes increase...
Thinking Through the Concepts Multiple Choice 1. Which of the following is True? a. Enzymes increase activation energy requirements. b. Activation energy is required to initiate exergonic reactions. Heat cannot supply activation energy. c. d. Stomach acid inactivates pepsin. 2. Which is not an example of an exergonic reaction? a. photosynthesis b. a nuclear reaction in the sun c. ATP → ADP + Pi d. glucose breakdown .3, which of the following is True? a. ATP is a long-term energy...
6. All parts of this question relate to the following reaction coordinate diagram, for the reaction...
6. All parts of this question relate to the following reaction coordinate diagram, for the reaction A + B + C -- --> D+E Free Energy B+C+X D+E A+B+C (a) Write a mechanism for the forward reaction, showing all elementary steps. (b) What intermediates (ie, not reactants or products) are present in this mechanism? (a) Write a mechanism for the forward reaction, showing all elementary steps. (b) What intermediates (i.e, not reactants or products) are present in this mechanism? (e)...
17) 17) Which of the following is true for all exergonic reactions? A) The reaction proceeds...
17) 17) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The reactions are rapid. C) The reaction goes only in a forward direction: all reactants will be converted to products, but no products will be converted to reactants. D) A net input of energy from the surroundings is required for the reactions to proceed. E) The products have more total energy than the reactants. 18 18)...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH +...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH + H^+ rightarrow Lactate + NAD^+ A. oxygen B. NADH+H^+ C. NAD^+ D. lactate E. pyruvate Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's A. entropy B. heat content. C. activation energy. D. endothermic level. E. free-energy content. What does the chemiosmotic process in mitochondria involve? A. establishment of a proton gradient...
Below is a free energy change graph for a reaction in which reactants A+B produce the...
Below is a free energy change graph for a reaction in which reactants A+B produce the product D. Use the data given to answer the following questions: What does the hump in the middle represent? What is the name of the general class of proteins that are needed to help the reactions go through that hump in a cell? How do they help the reaction go through? In this reaction is the free energy of the reactants or the free...
action coordinate diagram, for the reaction 0. All parts of this question relate to the following...
action coordinate diagram, for the reaction 0. All parts of this question relate to the following reaction coordinate diagram A+B+C ....... D+ E Energy B+C+X D+E A+B+C (a) Write a mechanism for the forward reaction, showing all elementary steps. (b) What intermediates (ie, not reactants or products) are present in this mechanism? (c) Which is the rate determining step for the reaction? (d) Mark the activation energy for the rate-determining step on the diagram above. (e) What is the rate...
4. Draw a free energy reaction coordinate diagram for both a generic endergonic and a generic exergonic...
4. Draw a free energy reaction coordinate diagram for both a generic endergonic and a generic exergonic reaction (label each). Make sure to label the x- and y-axes. Now label where reactants and products should go on the figure. Draw something that illustrates the free energy change for each reaction. Now write something like the following next to your figures: “reactants <—> products”. a. What do the reaction coordinate diagrams have to do with the text you just wrote? b. What...
no explaination is needed 28) Which of the following is true for all exergonic reactions? A)...
no explaination is needed
28) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The products have more total energy than the reactants. C) A net input of energy from the surroundings is required for the reactions to proceed. D) The reactions are nonspontaneous 29) When ATP releases some energy, it also releases Inorganic phosphate. What purpose does this serve (if any) in the cell? A) It...
Choose the correct reaction coordinate diagram for a two-step reaction in which the first step is endergonic, the second step is exergonic, and the overall reaction is endergonic. Pay attention to the reactants, products, intermediates, and transition states A reactants) B = first transition state C = intermediate D = second transition state E =product(s) Free energy Progress of the action A = reactant(s) B = intermediate C = first transition state D = second transition state E = product(s)...
Thinking Through the Concepts Multiple Choice 1. Which of the following is True? a. Enzymes increase activation energy requirements. b. Activation energy is required to initiate exergonic reactions. Heat cannot supply activation energy. c. d. Stomach acid inactivates pepsin. 2. Which is not an example of an exergonic reaction? a. photosynthesis b. a nuclear reaction in the sun c. ATP → ADP + Pi d. glucose breakdown .3, which of the following is True? a. ATP is a long-term energy...
6. All parts of this question relate to the following reaction coordinate diagram, for the reaction A + B + C -- --> D+E Free Energy B+C+X D+E A+B+C (a) Write a mechanism for the forward reaction, showing all elementary steps. (b) What intermediates (ie, not reactants or products) are present in this mechanism? (a) Write a mechanism for the forward reaction, showing all elementary steps. (b) What intermediates (i.e, not reactants or products) are present in this mechanism? (e)...
17) 17) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The reactions are rapid. C) The reaction goes only in a forward direction: all reactants will be converted to products, but no products will be converted to reactants. D) A net input of energy from the surroundings is required for the reactions to proceed. E) The products have more total energy than the reactants. 18 18)...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH + H^+ rightarrow Lactate + NAD^+ A. oxygen B. NADH+H^+ C. NAD^+ D. lactate E. pyruvate Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's A. entropy B. heat content. C. activation energy. D. endothermic level. E. free-energy content. What does the chemiosmotic process in mitochondria involve? A. establishment of a proton gradient...
Below is a free energy change graph for a reaction in which reactants A+B produce the product D. Use the data given to answer the following questions: What does the hump in the middle represent? What is the name of the general class of proteins that are needed to help the reactions go through that hump in a cell? How do they help the reaction go through? In this reaction is the free energy of the reactants or the free...
action coordinate diagram, for the reaction 0. All parts of this question relate to the following reaction coordinate diagram A+B+C ....... D+ E Energy B+C+X D+E A+B+C (a) Write a mechanism for the forward reaction, showing all elementary steps. (b) What intermediates (ie, not reactants or products) are present in this mechanism? (c) Which is the rate determining step for the reaction? (d) Mark the activation energy for the rate-determining step on the diagram above. (e) What is the rate...
no explaination is needed
28) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The products have more total energy than the reactants. C) A net input of energy from the surroundings is required for the reactions to proceed. D) The reactions are nonspontaneous 29) When ATP releases some energy, it also releases Inorganic phosphate. What purpose does this serve (if any) in the cell? A) It...
Most questions answered within 3 hours.
-
Which of the hypothesis tests listed below is a
two-tailed test? Select all correct answers.
Select...
asked 9 minutes ago -
Solve following questions. ?= √?.M is your house value. If there
is a flood, your house...
asked 11 minutes ago -
Critical Thinking: Assume an economy that has a total
population of 290 million people of which...
asked 13 minutes ago -
Accounts receivable subsidiary ledger, schedule of
accounts receivable lo c1. Vali company recorded the following
selected...
asked 22 minutes ago -
Connell performed a series of studies to understand what limits
the distribution of barnacle species within...
asked 26 minutes ago -
I throw a die with 6 sides. Consider the events, A=uneven and
B=prime number. Find the...
asked 29 minutes ago -
Common-Sized Income Statement
Revenue and expense data for the current calendar year for
Tannenhill Company and...
asked 47 minutes ago -
Find the present value of an annuity due that pays $3000 at the
beginning of each...
asked 56 minutes ago -
A reaction is second order with respect to [A] and half order
with respect to [B]....
asked 55 minutes ago -
In your groups, list the international actors you would expect
to encounter in an emergency logistics...
asked 1 hour ago -
When one molecule of methane combusts with oxygen, 5.74 X
10-21 J is released as heat....
asked 1 hour ago -
Required information
[The following information applies to the questions
displayed below.]
Satellite Systems modified its model...
asked 1 hour ago