Which carboxylic acid is known for its role in the Krebs cycle? (2019)

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Question: Which carboxylic acid is known for its role in the Krebs cycle? (2019)

Options:

Correct Answer: Citric acid

Exam Year: 2019

Solution:

Citric acid plays a crucial role in the Krebs cycle, which is a key metabolic pathway.

Which carboxylic acid is known for its role in the Krebs cycle? (2019)

Which carboxylic acid is known for its role in the Krebs cycle? (2019)

Step 1: Understand what the Krebs cycle is. It is a series of chemical reactions used by all aerobic organisms to generate energy.
Step 2: Identify the substances involved in the Krebs cycle. These include various acids and compounds.
Step 3: Recognize that carboxylic acids are organic acids that contain a carboxyl group (-COOH).
Step 4: Learn that citric acid is a specific type of carboxylic acid.
Step 5: Confirm that citric acid is a key component of the Krebs cycle, as it is formed when acetyl-CoA combines with oxaloacetate.

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