Which of the following is not correct

• A. The brown adipose tissue cell has a single large droplet surrounded by a small amount of cytoplasm, whereas the white adipose tissue cell has many small droplets of fat suspended in a larger amount of cytoplasm
• B. Brown fat cells contain many mitochondria, while white fat cells have comparatively few
• C. Brown fat has a larger capacity for generating heat than white fat
• D. Brown fat is mainly found in new born mammals