unfortunately there is no simple answer to this question some people can eat some sugar without harm while others should avoid it as much as possible according to the american heart association aha the maximum amount of added sugars you should eat in a day are 7 men 150 calories per day 37 5 grams or 9 teaspoons
Creating Cell Theory. Scientist Matthias Schleiden discovered in 1838, that all plants have cells, which are called plant cells. Theodor Schwannn found that all animals are also made up of cells, which are called animal cells. These are two types of the many different kinds of cells.
Robert Hooke, one of the first scientists to use a light microscope, discovered the cell in 1665. In all life forms, including bacteria, plants, animals, and humans, the cellBasic structural and functional unit of all life. was defined as the most basic structural and functional unit.n all life forms, including bacteria, plants, animals, and humans, the cellBasic structural and functional unit of all life. was defined as the most basic structural and functional unit.