Practice - A2.1 Origins of Cells (HL Only)
Practice Questions
Test your understanding with targeted questions
What were the primary components of Earth's early atmosphere?
💡 Hint: Think about the gases necessary for early chemical reactions.
Who conducted the experiment demonstrating amino acid synthesis?
💡 Hint: Remember the names associated with the famous 'Miller model'.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which atmosphere component was absent on early Earth?
💡 Hint: Consider what life forms required oxygen for survival.
The Miller-Urey experiment simulated conditions of the early Earth to demonstrate the formation of what?
💡 Hint: Think about what structures make up proteins.
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Challenge Problems
Push your limits with advanced challenges
Describe how hydrothermal vents could potentially lead to the origin of life, considering environmental conditions and chemical reactions.
💡 Hint: Consider the unique conditions of hydrothermal vents - their heat and rich mineral content.
Critically evaluate the role of RNA in the context of early life's evolution, comparing it briefly with DNA.
💡 Hint: Reflect on the stability of DNA versus the versatility of RNA in early conditions.
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Reference links
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