MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Krebs Cycle

From the foll...

Question

From the following options, identify the 5C intermediate compound in the TCA cycle.

A

Citric acid

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Succinyl CoA

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

α

-ketoglutaric acid

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

Fumaric acid

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $α$ -ketoglutaric acid
The TCA cycle or Krebs’ cycle starts with the condensation of acetyl group with oxaloaceticacid (4C) (OAA) and water to yield citric acid (6C). The reaction is catalysed by the enzyme citrate synthetase and a molecule of CoA is released. Citrate is then isomerised to isocitrate (6C). It is followed by two successive steps of decarboxylation, leading to the formation of $α$ -ketoglutaric acid. It is 5C intermediate molecule in TCA cycle.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Match List I(compound oxidized during Krebs cycle) with List II(Compound formed on oxidation) and select the correct answer.

List-I	List-II
a. Pyruvic acid	$1$ . AcetylCoA
b. Isocitric acid	$2$ . Succinyl CoA
c. a-Ketoglutaric acid	$3$ . Oxaloacetic acid
d. Succinic acid	$4$ . Oxalosuccinic acid
	$5$ . Fumaric acid

Q. From the following options, identify the 5C intermediate compound in the TCA cycle.

The intermediate product between

α

-ketoglutaric acid and succinic acid in TCA cycle is

Q. In which of the following steps of citric acid cycle,

C O_{2}

\begin{matrix} I . C i t r i c a c i d & \to & α - k e t o g l u t a r i c a c i d I I . S u c c i n i c a c i d & \to & M a l i c a c i d I I I . M a l i c a c i d & \to & O x a l o a c e t i c a c i d I V . α - k e t o g l u t a r i c a c i d & \to & S u c c i n y l C o - A \end{matrix}

Select the correct answer using the codes given below

Q. Consider

A. alpha ketoglutaric acid

B. Succinic acid

C. Citric acid

D. Fumaric acid

E. Oxalosuccinic acid

Choose the correct order of their formation in the Krebs cycle.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Aerobic Respiration

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon