Foods such as potatoes, rice, corn and wheat contain starch granules which are important energy sources for humans. The human digestive process breaks down the starches into glucose units with the aid of enzymes, and those glucose molecules can circulate in the blood stream as an energy source.he sugars are the carbohydrates which are used directly to supply energy to living organisms. A key group of the sugars have the molecular formula C 6 H 12 O 6. This group includes glucose, which may exist in either straight-chain or ring forms. Others are fructose, galactose, and mannose.
Split and merge into it. Answer by David Rosser. Confidence votes 13. The Queen Mary 2 is the fastest ship soon to be in service with a top speed of 33 knots, however, the fastest of all time is the SS United States which still holds Atlantic crossing records and known top speed was 44 knots.
What is the Fastest Airplane in the World? The Lockheed SR-71, the fastest airplane in the world. Though not the world's absolute fastest aircraft, the Lockheed Martin F-22 Raptor can accelerate to and sustain supersonic speeds without the use of its afterburners. The Boeing 747 has a cruise speed of 550 miles per hour, which is actually faster than the top speed combat fighters could achieve in World War Two.