Studied by 14 people
mamatai n po ako
William Harvey 1651
ALL ANIMALS INCLUDING ANIMALS CAME FROM EGGS
Spontaneous Generation
Living things arise from non living things
Robert Hooke 1665
Designed his own microscope and discovered matter he called cells
Francesco Redi 1668
Disprove spontaneous generation by showing maggots came into meat in a jar
Anton van Leeuwenhoek 1676
Observed protozoa ans calles them animalcules
Matthias Schleiden 1838
Propose that all plants are composed of cells botanist zoologist
Theodor Schwann 1839
Propose that all animal tissues are composed of cells
Zoologist
Louis Pasteur 1856
Stated that micro-organism produce fermentation
Fermentation
Alcohol and Lactic acid to wine yeez
Shelf life
Fermentations
Mesophile
Middle loving 37°C
Slow replication
15°C
Milk to Cheese
Fermented
Charles Darwin 1858
Proposed a theory of biological evolution by means of natural selection
Rudolf Virchow 1858
Cells can only arise from pre-existing cells
Omnis cellula e cellula
Gregor Mendel 1865
Demonstrated in pea plants that inheritance follows definite rules / teacher a monk
Fredrich Miescher
Discover Nucleic Acids in the nuclei of cells
Law of inheritance
Law of inheritance
Law of Dominance , independent assortment, segmentation
Alexander Fleming
Discovered the first antibiotic , penicillin
1935 Max knoll and Ernst Ruska
The invention of electron microscope
Rosalind Franklin
Concluded that DNA is double helix with a diameter 2mn
1953
After examining Franklin's unpublished data, James d Watson and Francis crick published a double-helix structure for DNA
Devine creation theory
The universe was created by God
Panspermia theory
Some meteors created cells
Philosophical Theory of Eternity
Life has no beginning and End
Biogenesis
Micro-organism may have formed in hot thermal vents in the ocean came from living things
Louis Pasteur
Biogenesis
Aristotle
Abiogenesis
Light microscope
1,000 to 2,000 X
Electron Microscope
Up to 1,000,000X benefit of electron
A scanning EM
Cutside 3d
B transmission EM
Inside
LPO
10x
HPO
45 to 50x
OIO
100x oil in specimen
Who is often referred to as the "Father of Modern Microbiology
Anton van
The discovery of the structure of DNA is credited to
James Watson and Francis Crick
The idea that "organisms adapt to their environment over time" was proposed by:
Charles Darwin
Who proposed the concept of "biogenesis," which states that living organisms arise from other living organisms?
Louis Pasteur
concept of "Natural Selection" was independently developed by Charles Darwin and:
Alfred Russel Wallace
Who proposed the theory of evolution by natural selection?
Charles Darwin
Gregor Mendel's experiments with pea plants established the principles of:
Inheritance
Who was the first to propose the idea of cells as the fundamental unit of life?
Robert Hooke
formulated the "Cell Theory," stating that all living organisms are composed of cells?
Matthias Schleiden and Theodor Schwann
Who is known for his contributions to the field of genetics and the discovery of the laws of inheritance?
Gregor Mendel
the Swan Neck Experiment, Pasteur boiled a nutrient broth in flasks and then bent the necks of some flasks into S-shaped curves. What was the significance of the S-shaped necks?
They trapped dust and microorganisms while allowing air to enter.
Which theory suggests that life may have been brought to Earth by extraterrestrial visitors, such as comets or meteorites?
Panspermia
What was the primary goal of Louis Pasteur's Swan Neck Experiment?
To disprove the theory of abiogenesis
What did Francesco Redi demonstrate through his experiment involving meat and covered jars?
Maggots do not spontaneously generate in sealed containers.
Abiogenesis is
can arise from non-living matter under certain conditions.
What is the prevailing scientific consensus on the origin of life as of my knowledge cutoff date in September 2021?
Abiogenesis is widely accepted
Note
Flashcard