Little Cell Biology (Ex)Course
In the middle of the 19th century, the botanist Matthias Schleiden and the physiologist Theodor Schwann developed the so-called cell theory. This states that all organisms – plants, animals, fungi – are made up of microscopic cells. These cells work together in a highly coordinated manner, but they are functional units that can be separated in many ways. Plant and fungal cells have a relatively firm shell, whereas animal cells are only surrounded by a membrane, which in principle consists of fat. This membrane represents the outer boundary of the cell, but at the same time fulfills a number of important functions. … Read more