Explanation:
All animals are eukaryotic, multicellular organisms, and almost all animals have specialized tissues. Most animals are motile, at least during certain life stages. Animals require a source of food to grow and develop. All animals are heterotrophic, ingesting living or dead organic matter.
I guess its proteins?? because its needed for building protoplaam
NaCl: natriumchloride. 1 atom of each, so the 2 is too much and I (capital i here) is another element
So for the second excercise the number behind the symbol is the amount of atoms in the compound. So easily 2 atoms of Li, 1 atom of S and 4 of O
Lactose hydrolysis occurs for lactase-persistent individuals and the people who have a lactase deficiency. Lactose hydrolysis is found in dairy products and also to the various milk products. The process of this lactose hydrolysis is said to be not that complicated.