To identify the fuel for the citric acid cycle. Concept introduction: Citric acid cycle is the third stage of the biochemical energy production process. This stage is included in the common metabolic pathway because the reactions in this stage are same for different kinds of food. In the citric acid cycle, the acetyl unit produced in the second stage of the biochemical energy production process is oxidized. The final product of the citric acid cycle is CO 2 and energy. Some part of the energy is lost as heat or some part is further carried by NADH or FADH 2 in the fourth stage of the biochemical energy production process.

Question

Want to see the full answer?

Answer 1

Question

Chapter 23, Problem 23.64EP

Interpretation Introduction

Interpretation: To identify the fuel for the citric acid cycle.

Concept introduction: Citric acid cycle is the third stage of the biochemical energy production process. This stage is included in the common metabolic pathway because the reactions in this stage are same for different kinds of food.

In the citric acid cycle, the acetyl unit produced in the second stage of the biochemical energy production process is oxidized. The final product of the citric acid cycle is CO₂ and energy. Some part of the energy is lost as heat or some part is further carried by NADH or FADH₂ in the fourth stage of the biochemical energy production process.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Identifying the major species in weak acid or weak base equilibria The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HF is a weak acid. acids: 0.2 mol of KOH is added to 1.0 L of a 0.5 M HF solution. bases: Х other: ☐ acids: 0.10 mol of HI is added to 1.0 L of a solution that is 1.4M in both HF and NaF. bases: other: ☐ 0,0,... ด ? 18 Ar

Identifying the major species in weak acid or weak base equilibria The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that NH3 is a weak base. acids: ☐ 1.8 mol of HCl is added to 1.0 L of a 1.0M NH3 bases: ☐ solution. other: ☐ 0.18 mol of HNO3 is added to 1.0 L of a solution that is 1.4M in both NH3 and NH₁Br. acids: bases: ☐ other: ☐ 0,0,... ? 000 18 Ar B 1

Using reaction free energy to predict equilibrium composition Consider the following equilibrium: 2NH3 (g) = N2 (g) +3H₂ —N2 (g) AGº = 34. kJ Now suppose a reaction vessel is filled with 4.19 atm of ammonia (NH3) and 9.94 atm of nitrogen (N2) at 378. °C. Answer the following questions about this system: rise Under these conditions, will the pressure of NH 3 tend to rise or fall? ☐ x10 fall Х Is it possible to reverse this tendency by adding H₂? In other words, if you said the pressure of NH 3 will tend to rise, can that be changed to a tendency to fall by adding H₂? Similarly, if you said the pressure of NH3 will tend to fall, can that be changed to a tendency to rise by adding H₂? If you said the tendency can be reversed in the second question, calculate the minimum pressure of H₂ needed to reverse it. Round your answer to 2 significant digits. yes no atm 00. 18 Ar 무ㅎ ?