Cell Study

Robert Hook

looked at cork under a microscope, named them cells.

Anton Von Leewenhoek

observed simple objects in pond water, used simple microscope.

Robert Brown

Notice small, dense body in a cell, named nucleus

Matthias Schleiden

stated that all plants are made up of cells

Theodor Schwann

stated all animals are made up of cells

Rudolph Virchow

stated that all cells come from pre-existing cells

Viruses

no cells

cell membrane

regulates transport into and out of the cell

semipermeable

only allows certain materials to pass through

cytoplasm

fluid like enviroment

nucleus

controls cell activites

endoplasmic reticulum

intracellular transport

ribosome

protein synthesis

mitochondria

cell respiration, has its own dna

golgi complex

packages and transports cellular products

lysosomes

digestive enzymes, hydrolosis

vacuole

storage of water, food, or wastes

centriole

cylindrical, functions only in cell division, only in animals

chloroplast

contains chlorophyll,site of photosynthesis,double membrane, only in plants

cell wall

nonliving structure of cell, supports cell, made of cellulose