Chapter 1.0 Flashcards
Who invented the compound microscope, and what were did it consist of ( magnification, parts)
The Janssen brothers
Hans and Zacherias
Composed of two convex lenses, started with a magnification of 20x.
The first individual to observe cellular composition.
Robert Hooke
The first individual to observe the movement of cells.
Anton Van Leeuwenhoek
Who aided in part of the improvement of the miscroscope?
Anton Van Leeuwenhoek.
List the magnifications if the low medium and high objective lenses.
4x, 10x, 40x.
Formula of calculation of magnification.
(Ocular lense)(objective lense)
10x)(4,10,40x
F.o.v.
Diameter of the slide, higher magnification, lower f.o.v.
Formula,
Fov1) (mag. 1) = (fov2)(mag. 2)
1000 micrometre= ?
1mm
Actual size calculation.
Fit number
* note they must be in the same units*
Scale calculation.
Actual size
The belief that living things came from non-living things is known as?
Spontaneous generation.
Who is the father if biology, who often used the scientific method to explain things around him.
Aristotle
Name those who tried to disprove spontaneous generation.
- Francessco Redi
- John Needhaum :attempted to relate it to living things.
Who disproved spontaneous generation and when?
louis Pateur in the mid 1800s
What is the cell theory.
All living things made of cells. Cells a functional// - meet all cell needs - take in nutrients - gives out waste - use energy to do work - maintains certain temperature and chemical conditions. All existing cells came from pre existing cells through mitosis ( cell division)