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Chapter 18: Q. 18.36 (page 638)

What compounds are needed to start the citric acid cycle?

Short Answer

Expert verified

The compounds $Acetyl - CoA, {NAD}^{+}, FAD, GDP, P_{i}, H_{2} O$ are needed to start the citric acid cycle

Step by step solution

01

Given information

We need to find the compounds needed to start the citric acid cycle

02

Explanation

We know that

The two-carbon organic product $acetyl - CoA$ is formed through the catabolism of carbohydrates, lipids, and proteins, and it enters the citric acid cycle. The cycle's reactions also convert three equivalents of nicotinamide adenine dinucleotide ( $NAD$ ) to three equivalents of $NADH$ , one equivalent of flavin adenine dinucleotide ( $FAD$ ) to one equivalent of ${FADH}_{2}$ , and one equivalent each of guanosine diphosphate ( $GDP$ ) and inorganic phosphate to one equivalent of guanosine triphosphate ( $GTP$ ).

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Most popular questions from this chapter

How does phosphorylation account for production of $A T P$ in glycolysis.

How many ATP or NADH are produced (or required) in each of the following steps in glycolysis?

a. glucose to glucose- $6$ -phosphate

b. glyceraldehyde-role="math" localid="1653540634105" $3$ -phosphate to 1,3-bisphosphoglycerate

c. glucose to pyruvate

What is the purpose of digestion in Stage $1$ ?

How much energy is obtained from the hydrolysis of ATP?

Why does one of three carbon intermediates undergo isomerization.

See all solutions

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