Grade 12 Metabolism Worksheet
Comprehensive worksheet for Grade 12 Biology students covering key concepts in cell metabolism, including catabolism, anabolism, ATP, and metabolic pathways.
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Grade 12 Metabolism Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following best describes catabolism?
Building complex molecules from simpler ones
Breaking down complex molecules into simpler ones, releasing energy
Storing energy in the form of ATP
A process that only occurs in plants
2. ATP is often referred to as the 'energy currency of the cell.' What does ATP stand for?
Adenosine Diphosphate
Adenosine Triphosphate
Adenine Thymine Phosphate
Amino Transfer Protein
3. The sum of all chemical reactions that occur in an organism is called .
4. pathways consume energy to build complicated molecules from simpler ones.
5. Glycolysis is the first step in cellular respiration and occurs in the of the cell.
6. Anabolic reactions typically release energy.
True
False
7. Enzymes are biological catalysts that speed up metabolic reactions without being consumed in the process.
True
False
8. Differentiate between catabolic and anabolic pathways, providing an example for each.
9. Explain the role of ATP in cellular metabolism. How does it store and release energy?
10. Analyze the provided diagram of a metabolic pathway and answer the questions below.
a) Identify one catabolic pathway and one anabolic pathway shown in the diagram.
b) Explain how the pathways in the diagram are interconnected.
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