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Biology Made Simple Knowledge Check

Test your mastery of the core principles.

Question 1 of 4
What is the primary function of the semi-permeable cell membrane?
Explanation: The cell membrane regulates inputs and outputs to maintain a stable internal state of homeostasis.
Question 2 of 4
What does the central dogma of molecular biology describe?
Explanation: The central dogma maps how genetic data flows from DNA to RNA to functional proteins.
Question 3 of 4
What role does ATP play in cellular metabolism?
Explanation: ATP is the primary energy currency used to fuel metabolic processes against entropy.
Question 4 of 4
What is the ultimate driver of evolutionary adaptation according to modern biology?
Explanation: Natural selection filters existing variation, driving adaptation to shifting environmental pressures.