The base sequence in the DNA is A=T
G=C
Nerve, Skin, Cyclins, Cancer
Simple carbohydrate contain 1 or 2 sugar chain that have the most basic structure our body need. For eg glucose. Complex contain 3 or more sugar groups. These are refer to as starchy. These stay I our body longer. For rg brown sugar
Answer: the need of evolution
Explanation: Charles Darwin saw the differences between the birds beaks in the Galapagos island. The beaks were different because of the different food that the environment provides.