Term
Living things are made of cells |
|
Definition
Observations by microscopists on the structure of unicellular and multicellular organisms. Hooke, van Leeuwenhoek, Schleiden and Schwann |
|
|
Term
Cells are the smallest units of life |
|
Definition
Discovery of viruses - Non-cellular particles outside of a host cell. Only reproduce at expense of host cell Biochemical investigations of organelles - Able to function outside of a cell in lab conditons for a short time |
|
|
Term
Cells come from pre-existing cells |
|
Definition
Pasteur's observations on microbes in fermenter vessels and further discoveries related to 'spontaneous generation' Observation of cells at division (mitosis, meiosis) |
|
|
Term
Cells come from pre-existing cells |
|
Definition
Pasteur's observations on microbes in fermenter vessels and further discoveries related to 'spontaneous generation' Observation of cells at division (mitosis, meiosis) |
|
|
Term
Cells contain a blueprint for growth, development and behaviour |
|
Definition
Observations on behaviour of chromosomes and role of genes/DNA in the process of heredity Experiments involving genetic engineering - transfer of genes between organisms |
|
|
Term
Cells are the site of the chemical reactions of life |
|
Definition
Discovery of enzymes Discovery of biochemical events such as protein synthesis Discovery of cell ultrastructure, so all the organelles inside the cell |
|
|