Answer:
B
Explanation:
Amino acids fold to form the protein and give it its functionality. Different orders of amino acids fold differently and make a different shape. The shape of the protein defines its function. The function will vary wildly
Answer:
Water based fluid
Explanation:
The internal environment consists of water based fluid in which the cells of the body present. A fluid called interstitial fluid or tissue fluid bathes the cells and provides essential nutrients to the cell. The human skin has fatty layers that helps to maintain internal heat which is produced by the body when the outside environment is cold. When there is cold in the environment, people lives in warm shelters and wear warm clothes in order reduce the impact of cold environment.
