Which of the following organelles would be relatively more abundant in BAT than in typical white adipose tissue?A.MitochondriaB.Rough endoplasmic reticulumC.Golgi apparatusD.Lysosomes

The answer is A. Mitochondria.

Here's why:

Brown Adipose Tissue (BAT) and White Adipose Tissue (WAT) are two types of fat cells in mammals. The primary function of WAT is to store energy in the form of fat, while BAT is involved in burning energy to generate heat.

The key difference between BAT and WAT at the cellular level is the abundance of mitochondria. Mitochondria are the powerhouses of the cell where energy production takes place. BAT cells have a higher number of mitochondria compared to WAT cells. This is because BAT cells need to produce heat, which requires a lot of energy. Therefore, they need more mitochondria to meet this high energy demand.

On the other hand, the other organelles listed - Rough endoplasmic reticulum, Golgi apparatus, and Lysosomes - do not have a direct role in energy production or heat generation, so their abundance would not necessarily be higher in BAT compared to WAT.