True/False: A kidney cell and a heart cell from the same cat...

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Key Concepts

Genomic Equivalence

All cells in a multicellular organism carry essentially the same complete set of genetic information. This principle means that regardless of a cell’s function—be it in the kidney, heart, or any other organ—the DNA remains constant across these cells, providing the full blueprint for the organism’s biological makeup.

Gene Expression

While every cell contains the same genes, different cell types express different subsets of those genes at any given time. Gene expression is regulated by various mechanisms that control when, where, and how much a gene is transcribed into RNA and translated into proteins, leading to the functional diversity of cells.

Cell Differentiation

Cell differentiation is the process by which cells become specialized to perform distinct functions. Through regulating gene expression, cells turn on and off specific genes, allowing them to develop unique structures and activities that are tailored to their roles in the organism, even though their genetic content is identical.

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