Which of the following statements indicates the correct model and provides the appropriate reasoning? A Student 1's model is correct. DNA replication produces two copies that each contain one of the original strands and one new strand. B Student 1's model is correct. DNA replication leaves the two original strands together in a double helix and produces a copy composed of two strands. C Student 2's model is correct. DNA replication produces two copies that each contain one of the original strands and one new strand. Student 2's model is correct. DNA replication leaves the two original DNA strands together in a double helix and produces a copy composed of two new strands.

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Learning and memory

Learning is defined as a relatively permanent and irreversible adaptive change in behavior. It always results from experience. The ability of an organism to store and recall the effects, sensations, and knowledge gained through learning and experience is called memory.