Who said that all livings are made up of cells? he is french..?

Question

...if you know that plz answer this too..

a. Who described protoplasm as consisting mainly of water, with the rest of the substance being proteins, fats, and carbohydrates?

b. Who said that not only plants and animals are made up of cells but also microscopic organisms?

c. ____________ gives mechanical strength and shape to the cell aside from protecting it.

..please i need it now...

..tnx...

Answer 1

a. Don't know. But the main cytoplasmic organelles were identified towards the end of the 19th century after improvements in the microscopic technique.

b. Matthias Schleiden and Theodor Schwann, both German, in 1839.

About 200 years after the microscope was invented and the first cells observed eg by Robert Hook and Van Leeuwenhoek they proposed the cell theory: all living things are composed of cells.

c. The cell wall

Answer 2

in letter c the answer is plasma membrane....  i think in letter b its virchow or leeuwenhoek