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Metabolic Pathways Characteristics

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Questions and Answers

Which characteristic is true of all metabolic pathways?

They are energy-consuming.

They occur in the cytosol.

They are regulated. (correct)

They are reversible.

What is the primary function of a catabolic pathway?

To store energy in the form of glycogen.

To break down proteins into amino acids.

To generate chemical energy in the form of ATP. (correct)

To synthesize ATP.

Which of the following is NOT a characteristic of metabolic pathways?

They have a first committed step.

They occur in specific subcellular compartments.

They are reversible. (correct)

They are regulated.

What is the end product of catabolic pathways?

<p>Carbon dioxide, water, and ammonia.</p> Signup and view all the answers

Which of the following is an example of a catabolic pathway?

<p>Glycolysis.</p> Signup and view all the answers

Study Notes

Metabolic Pathways

Metabolic pathways have distinct characteristics, including being regulated and often compartmentalized in eukaryotic cells.

Characteristics of Catabolic Pathways

Catabolic pathways are exergonic systems, generating chemical energy in the form of ATP, GTP, NADH, NADPH, and FADH2 from energy-containing sources.
Sources of energy include carbohydrates, fats, and proteins.
End products of catabolic pathways often include carbon dioxide, water, and ammonia.

Examples of Catabolic Pathways

Glycolysis
Citric acid cycle (Krebs cycle / cellular respiration)
Electron transport chain

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Description

This quiz covers the main characteristics of metabolic pathways, including their reversibility, types, regulation, and location in eukaryotic cells. It also touches on catabolic pathways and their role in energy production.