How many component make up the cell theory? correct answers 7
How many individual cells does the average human have? correct answers 100 trillion
How many cells would it take to cover the area of a dot on the letter "i"? correct answers 50
In 1665 - English Scientist, ____, discovered cell...
The Cell Theory || A+ Graded Already.
How many component make up the cell theory? correct answers 7
How many individual cells does the average human have? correct answers 100 trillion
How many cells would it take to cover the area of a dot on the letter "i"? correct answers 50
In 1665 - English Scientist, ____, discovered cells while looking at a thin slice of cork. correct
answers Robert Hooke
What was the cork comprised of when Hooke looked at it through a microscope? correct answers
Dead xylem cells of cell wall
Robert Hooke correct answers 1665
English Scientist
Discovered cells while looking at thin slice of cork
Described cells as tiny boxes/honeycomb
Thought cells only existed in plants and fungi
Cellulae
Who described the cells as tiny boxes or honeycombs? correct answers Robert Hooke
Who thought that cells only existed in plants and fungi? correct answers Robert Hooke
1673 - Used handmade microscope to observe pond scum and discovered single-called
organisms that he called "animalcules". correct answers Anton van Leeuwenhoek
Who called the single-called organisms "animalcules"? correct answers Anton van Leeuwenhoek
Who observed blood cell from fish, birds, frogs, dogs, and humans? correct answers Anton van
Leeuwenhoek
After Leeuwenhoek, it was known that ____. correct answers Cells found in animals as well as
plants
Anton van Leeuwenhoek correct answers 1673
Used handmade microscope to observe pond scum
Discovered single-called organism "animalcules"
Observed blood cells from fish, birds, frogs, dogs, and humans
Cells found in both animals and plants
How many years passed before more discoveries and observations were made? correct answers
150-200 year time gap
, Between ____ and ____ discoveries and the mid 19th century, very little cell advancements were
made. correct answers Hooke
Leeuwenhoek
The 150-200 year time gap was probably due to what widely accepted, traditional belief? correct
answers Spontaneous generation
Spontaneous generation correct answers Belief that organisms arose from non-living matter
Name 3 examples of "spontaneous generation". correct answers Maggots from rotting meat
Frogs falling from sky when raining
Mice come from clothes and corn after 21 days
What arose about spontaneous generation? correct answers Much doubt
Who did experiments that disproved spontaneous generation? correct answers Francisco Redi
and Louis Pasteur
Francisco Redi correct answers Did experiments to disprove spontaneous generation
Louis Pasteur correct answers Later conclusively disproved spontaneous generation after
Francisco Redi
1838- German Botanist, ____, concluded that all plant parts are made of cells. correct answers
Matthias Schleiden
Matthias Schleiden correct answers German Botanist
In 1838, concluded that all plant parts are made of cells
What did Matthias Schleiden study? correct answers The stems, petals, flowers, and roots of all
types of plants
1839- German physiologist, ____, who was a close friend of Schleiden, stated that all animal
tissues are composed of cells. correct answers Theodore Schwann
Theodore Schwann correct answers German physiologist
In 1839, stated that all animal tissues are composed of cells
What did Theodore Schwann study that led to him stating that all animal tissues are composed of
cells? correct answers Heart
Liver
Kidney
Lung
What seems to be the basic unit after Schleiden's and Schwann's discoveries? correct answers
Cells
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