Homework Answers
False .
If ∆G ( free energy) is equal to 0
Such reaction are known to be in equilibrium that is no reaction is taking place .
If free energy is decreased during the reaction
That type of reaction energy is released .
If free energy is increased during the reaction
That type of reaction energy is utilised .
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During the energy Investment phase of glycolysis, glucose has a decrease In free energy True or...
13) When a molecule of glucose gets split during the energy investment phase of glycolysis, the...
13) When a molecule of glucose gets split during the energy investment phase of glycolysis, the products are two molecules of that then move to the energy payoff phase. A) Glyceraldehyde-3-phospahte B) Pyruvate C) Acetyl-COA D) NADH 14) Following glycolysis and the citric acid cycle, but before the electron transport chain and oxidative phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of ATP. Most of the energy from the original glucose molecule...
During glycolysis investment phase, what are the four reasons why two phosphate groups of ATP are...
During glycolysis investment phase, what are the four reasons why two phosphate groups of ATP are added to glucose?
3. True or False [ ] In glycolysis, a single glucose molecule breaks down into two...
3. True or False [ ] In glycolysis, a single glucose molecule breaks down into two molecules of pyruvate, which can then be broken down further to release ATP. Glycolysis itself releases four net molecules of ATP per molecule of glucose. [ ] The main products in glycolysis include ATP, pyruvate and NADPH. [ ] In the preparatory phase of glycolysis, ATP is invested to convert glucose to fructose 1,6-bisphosphate. The bond between C-2 and C-3 is then broken to...
1. During the aerobic metabolism of glucose, glucose is a. Reduced to form water b. Oxidized...
1. During the aerobic metabolism of glucose, glucose is a. Reduced to form water b. Oxidized to form water c. Reduced to form CO2 d. Oxidized to form CO2 2. Which of the following describes the equation: FAD + XH à FADH2 + X. a. FAD is reduced to FADH2 b. It is a coupled reduction - oxidation reaction c. XH, is oxidized to X d. All of the above 3. Which of the following is FALSE about glycolysis? a....
QUESTION 65 Free energy (delta G) is higher during the citric acid cycle than during glycolysis....
QUESTION 65 Free energy (delta G) is higher during the citric acid cycle than during glycolysis. Despite this, only two molecules of ATP will be generated in the krebs cycle. Most of the remaining free energy that is released during the krebs cycle will be O a. Used to synthesize GTP O b. Converted into kinetic energy O c.Lost as heat d. Used to reduce pyruvate Oe. Used to reduce electron carriers such as NADH and FADH2
Hexokinase catalyzes the following reaction in glycolysis: Glucose + ATP ← → glucose-6-phosphate + ADP The...
Hexokinase catalyzes the following reaction in glycolysis: Glucose + ATP ← → glucose-6-phosphate + ADP The standard free-energy change for this reaction in the direction written is -16.7 kJ/mol. The concentrations of the related reaction components in the hepatocyte of a mammalian cell are: Glucose: 6 mM Glucose-6-phosphate: 0.074 mM ATP: 1.00 mM ADP: 0.25 mM What is the actual free-energy change for the reaction at body temperature (37 C)?
Glycolysis is the process by which energy is harvested from glucose by living things. Several of the reactions of glyco...
Glycolysis is the process by
which energy is harvested from glucose by living things. Several of
the reactions of glycolysis are thermodynamically unfavorable
(nonspontaneous), but proceed when they are coupled with other
reactions.
Which of these reactions is (are) unfavorable? Select all that apply. Which of these reactions can be coupled so that overall reaction is favorable? Select all that apply. What is the net change in free energy if one selection from part (b) is coupled so that the...
Question 9 12 pts In glycolysis, glucose is converted to [Select] in 10 enzymatic Toalet reactions...
Question 9 12 pts In glycolysis, glucose is converted to [Select] in 10 enzymatic Toalet reactions resulting in the net synthesis of [Select] moles of ATP per mole of glucose. During fermentation, the end products of glucose metabolism are [Select] and the electron acceptors are [Select] In aerobic metabolism, the terminal acceptor of electrons from glucose Select] Most of the energy arising from aerobic respiration is generated in the [Select] phase.
Need the correct answers and explain why they are now correct The first phase of gycolysis...
Need the correct answers and explain why they are now
correct
The first phase of gycolysis is called investment phase because a. Glucose accumulates to high levels in cell before glycolysis starts b. NADH is produced as an investment to be used later in the generation of ATP. c. It generates ATP d. NAD+ is regenerated for later use e. Energy is used in two steps to phosphorylate glucose and fructose-6-P Which statement about this reaction is TRUE? a. Pyruvate...
3. Summary of glycolysis Aa Aa E The removal of high-energy electrons from glucose begins with...
3. Summary of glycolysis Aa Aa E The removal of high-energy electrons from glucose begins with glycolysis. Glycolysis involves 10 reactions in which bonds are broken or rearranged. The key events of these 10 reactions are summarized in the diagram. Describe them by completing the blanks in the following sentences. Glucose Key Event 1: Chemical energy is invested. Key Event 2: High-energy electrons and protons are released from the bonds of organic molecules and transferred to 2 ADP + 2...
13) When a molecule of glucose gets split during the energy investment phase of glycolysis, the products are two molecules of that then move to the energy payoff phase. A) Glyceraldehyde-3-phospahte B) Pyruvate C) Acetyl-COA D) NADH 14) Following glycolysis and the citric acid cycle, but before the electron transport chain and oxidative phosphorylation, the carbon skeleton of glucose has been broken down to CO2 with some net gain of ATP. Most of the energy from the original glucose molecule...
3. True or False [ ] In glycolysis, a single glucose molecule breaks down into two molecules of pyruvate, which can then be broken down further to release ATP. Glycolysis itself releases four net molecules of ATP per molecule of glucose. [ ] The main products in glycolysis include ATP, pyruvate and NADPH. [ ] In the preparatory phase of glycolysis, ATP is invested to convert glucose to fructose 1,6-bisphosphate. The bond between C-2 and C-3 is then broken to...
1. During the aerobic metabolism of glucose, glucose is a. Reduced to form water b. Oxidized to form water c. Reduced to form CO2 d. Oxidized to form CO2 2. Which of the following describes the equation: FAD + XH à FADH2 + X. a. FAD is reduced to FADH2 b. It is a coupled reduction - oxidation reaction c. XH, is oxidized to X d. All of the above 3. Which of the following is FALSE about glycolysis? a....
QUESTION 65 Free energy (delta G) is higher during the citric acid cycle than during glycolysis. Despite this, only two molecules of ATP will be generated in the krebs cycle. Most of the remaining free energy that is released during the krebs cycle will be O a. Used to synthesize GTP O b. Converted into kinetic energy O c.Lost as heat d. Used to reduce pyruvate Oe. Used to reduce electron carriers such as NADH and FADH2
Glycolysis is the process by
which energy is harvested from glucose by living things. Several of
the reactions of glycolysis are thermodynamically unfavorable
(nonspontaneous), but proceed when they are coupled with other
reactions.
Which of these reactions is (are) unfavorable? Select all that apply. Which of these reactions can be coupled so that overall reaction is favorable? Select all that apply. What is the net change in free energy if one selection from part (b) is coupled so that the...
Question 9 12 pts In glycolysis, glucose is converted to [Select] in 10 enzymatic Toalet reactions resulting in the net synthesis of [Select] moles of ATP per mole of glucose. During fermentation, the end products of glucose metabolism are [Select] and the electron acceptors are [Select] In aerobic metabolism, the terminal acceptor of electrons from glucose Select] Most of the energy arising from aerobic respiration is generated in the [Select] phase.
Need the correct answers and explain why they are now
correct
The first phase of gycolysis is called investment phase because a. Glucose accumulates to high levels in cell before glycolysis starts b. NADH is produced as an investment to be used later in the generation of ATP. c. It generates ATP d. NAD+ is regenerated for later use e. Energy is used in two steps to phosphorylate glucose and fructose-6-P Which statement about this reaction is TRUE? a. Pyruvate...
3. Summary of glycolysis Aa Aa E The removal of high-energy electrons from glucose begins with glycolysis. Glycolysis involves 10 reactions in which bonds are broken or rearranged. The key events of these 10 reactions are summarized in the diagram. Describe them by completing the blanks in the following sentences. Glucose Key Event 1: Chemical energy is invested. Key Event 2: High-energy electrons and protons are released from the bonds of organic molecules and transferred to 2 ADP + 2...
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