Although there are specialized cells-both in structure and function-within the body, all cells have similarities in their structural organization and metabolic needs (such as maintaining energy levels via conversion of carbohydrate to ATP and using genes to create and maintain proteins).
Method 1 of 2: In a Paper Bag. 1. Gather a brown paper bag, the bananas you wish to ripen and an apple or tomato. By placing the bananas in a brown paper bag with another fruit, you will maximize the amount of ethylene gas released.Ethylene gas is the substance fruit produces as it ripens.ethod 1 of 2: In a Paper Bag. 1. Gather a brown paper bag, the bananas you wish to ripen and an apple or tomato. By placing the bananas in a brown paper bag with another fruit, you will maximize the amount of ethylene gas released.
1) In a bunch: takes about 24-48 hours to ripen. 1  2) Place in warm places: takes about 24-48 hours to ripen. 2  3) In a paper bag: takes about 12-24 hours to ripen. 3  4) In the oven: about 30-50 minutes to ripen. 4  5) In the microwave: 30 seconds-2 minutes to ripen. Take a fork or sharp knife and completely poke through the skin of the peel a couple of times on all sides. Place the banana in the microwave for 30 seconds. Let cool slightly and check if desired softness is met. If not, microwave for an additional 30 seconds.