{"knowledge_schema": {"broad_category": "Biology \u2192 Genetics \u2192 Gene Expression", "refinement": "This problem focuses on the expression levels of specific genes (Braveheart genes) in different cell types during development.", "specific_scope": "The context involves comparing gene expression in embryonic stem cells versus differentiating heart cells.", "goal": "Determine the change in expression levels of Braveheart genes between the two cell types."}, "summary": "This question examines the expression of Braveheart genes in embryonic stem cells and differentiating heart cells. The task is to identify how the expression levels change between these two distinct cell types during development. Understanding the dynamics of gene expression in stem cells versus differentiated cells is crucial for insights into developmental biology and tissue engineering."}