Study online at https://quizlet.com/_fgpt78
cells are the basis of life and without this, life as we know it would not exist
bios it means life
logos it means study
Theory not yet proven but based on observation
cells are the basic units of the structure and function of living things
cell this word was used to refer to the this tiny units of life
the first time the word cell was used to refer to the tiny unit of life was in 1965 by a british
Robert Hooke
scientist named
robert hooke was one of the earliest scientist to study living things under microscope
anton van Leeuwenhoek was the first person to observe human cells and bacteria
made his own microscope lenses and he was so good at it that his microscope was more
anton van leeuwenhoek
powerful than the other microscope of his day
if further inside into the nature of ultimate particles of plants was gained through the
Robert Brown observation of english microscopeist who course of his microscopic studies of epidermis of
orchids and discoveries in the cells
nucleus it is an opaque spot
nucleus control center of the cell
german nature philosopher and microscopist had been trained in medicine at freiberg
Lorenz Oken
university
stated that all living organisms originate from and consist of cells which may have been the
Lorenz Oken
first statement of cell theory
a german botanist conclude that all plants were made of cells he is also a cofounder off the
Matthias Schleiden
cell theory
biological organization define by part whole relationship
Theodore Schwann (1839) a german zoologist concluded that all animals were made of cells
german medical doctor observed that under the microscope cells are dividing here reason
Rudolf Virchow
that all cells come from the other pre-existing cells by cell division
-all living things are made of cells
-cells are the basic unit of structure and function in an organism cell theory states that:
-cells come from the reproduction of existing cells
acellular and precellular level this level contains atom molecule and micromolecule
atom building blocks or matter
Molecule two or more atoms connected by chemical bond
Macromolecules a very large molecule build up from smaller chemical structures
Carbohydrates made up of sugar and used sugar as energy
lipids energy store
nucleic acids DNA and RNA
protein composed of amino acids
subcellular level this level contains organelle
Organelles specialized subunit usually within a cell that has a specific function
1/2