Most of the metabolic activity in a cell occurs in the mitochondrion. This organelle is responsible for the generation of ATP through a process known as oxidative phosphorylation. More »

The main function of mitochondria is the production of ATP through cellular respiration. Other functions of mitochondria include heat production, programmed cell death, regulation of the metabolic activity in a cell and ... More »

Dr. William H. Heidcamp, a professor in the Biology Department at Gustavus Adolphus College, explains that cell differentiation occurs when the structure and function of cells change within a certain period. The formatio... More »

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The organelle that provides energy for the cell is mitochondrion. While mitochondria are the primary source of energy in eukaryotic cells, cells can still derive a small amount of energy from other processes like glycoly... More »

Most of the activity of the electron transport chain occurs in a cell's mitochondrial inner membrane. This is where the electron transport chain gets the proteins it needs to function properly. More »

The function of the nucleus in the plant cell is to store the plant's DNA and control the activity of the cell through protein synthesis. The nucleus is enclosed by the nuclear membrane, which has pores for the passage o... More »

Crossing over begins very early in the prophase I stage of meiosis. During prophase I, pairs of homologous chromosomes exchange lengths of their genetic material. Crossing over leads to recombinant chromosomes and is a k... More »