A banana is a curved, yellow fruit with a thick skin and soft sweet flesh. If you eat a banana every day for breakfast, your roommate might nickname you "the monkey." A banana is a tropical fruit that's quite popular all over the world. It grows in bunches on a banana tree.
 
Shelf Life: about 5 to 7 days should you refrigerate raw bananas? Yes: Store bananas at room temperature until they are fully ripe, then refrigerate to extend shelf life. How long do bananas last in the refrigerator? Fully ripe bananas will last for about 5 to 7 days in the fridge.