Cell Theory Flashcards
(39 cards)
3 Postulate of Cell Theory
- All living things are composed of one or more cells.
- The basic unit of life is the cell.
- All cells arise from pre-existing cells.
The fundamental concept of biology that describes the basic unit of life.
The Cell Theory
Provides insights into the structure, function, and origin of living organisms
The Cell Theory
The date which Hans and Janssen created the compound microscope
1590’s
Dutch spectacle makers invented the first so-called COMPOUND MICROSCOPE
Hans and Zacharias Janssen
What did Hans and Janssen invented?
The Compound Microscope
Used a compound microscope to observe cork cells
Robert Hooke
Date which Robert Hooke observed the cork cells or dead cells
1665
Robert Hooke described the microscopic structure of a cork cell which he eventually named “cellulae” that means?
Small Rooms
If the structure of the cork cells are called “small rooms” in english, what is the latin word ?
Cellulae
Date which Leeuwenhoek observed single-celled microorganisms
1674
Who is the Scientist that first to observed singled-celled microorganisms
Antonie Van Leeuwenhoek
What is the name of a single-celled microorganism?
Animalcules
What are the other observation with detailed descriptionof Antonie Van Leeuwenhoek?
Bacteria, Protozoa, and other microorganisms
Scottish Botanist who observed a structure within the plant cells that appeared as a distinct, centrally located body
Robert Brown
What date did Robert Brown discovered the nucleus?
1831
What Latin word did Nucleus came from?
Kernel
What does Kernel means?
Nucleus
French Biologist who said that protozoans has a gelatinous fluid, a life substance called “Sarcode”
Felix Dujardin
Date which Felix Dujardin found the Sarcode
1835
Later recognized as the protoplasm or cytoplasm of the cell
Sarcode
Coined the term “protoplasm”
Jan Evangelista Purkinje
Date which Jan Evangelista Purkinje coined the term protoplasm
1839
Describes the contents of the cell
Protoplasm
