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Cell Discoveries
Cell Structures I
Cell Structures II
Cell Structures III
Cellular Organization
100
He claimed that cork tissue looked like tiny cells in a monastery when he observed cork through a microscope.
Who is Robert Hooke ?
100
The organelle that controls most of the processes in a cell and contains the DNA
What is the nucleus ?
100
An organelle used in photosynthesis to convert sunlight energy into sugars
What is a chloroplast ?
100
The membrane that surrounds the nucleus
What is the nuclear membrane ?
100
The internal structures in a cell that perform a specific function
What are organelles ?
200
He was the first person to use a microscope to observe small living organisms in water
Who is Anton van Leeuwenhoek?
200
The jellylike material inside the cell membrane that holds the cell structures.
What is cytoplasm or cytosol?
200
Known as "the powerhouse of the cell", these organelles produce cellular energy
What are mitochondria ?
200
The uncondensed thread-like genetic material found inside the nucleus.
What is chromatin ?
200
A group of similar cells that work together to perform a task
What are tissues ?
300
This German botanist who said that all plants are made of cells
Who is Matthias Schleiden ?
300
The flexible boundry between a cell and its external environment
What is the cell or plasma membrane ?
300
A sac surrounded by a membrane, where fluid, proteins, carbohydrates, salts and waste products are stored
What is a vacuole ?
300
The condensed genetic material found inside the nucleus
What are chromosomes ?
300
Groups of tissues that work together to perform a task
What are organs ?
400
This German scientist said that all animals are made of cells
Who is Theodor Schwann?
400
The relatively inflexible layer found outside the cell membrane in some organisms (plants and bacteria)
What is a cell wall ?
400
Small structures that store enzymes to digest materials like food particles, worn out cell parts and invading bacteria and viruses
What are lysosomes ?
400
The site inside the nucleus where ribosomes are made
What is the nucleolus ?
400
Groups of organs that work together to perform a function
What are organ systems ?
500
This German physician stated that all cells come from preexisting cells.
Who is Rudolf Virchow?
500
These small structures made of RNA and proteins are the sites where proteins are assembled
What are ribosomes ?
500
Folded membrane inside the cell that is covered with ribosomes
What is the rough endoplasmic reticulum ?
500
The folded membranes inside a cell that produce lipids
What is the smooth endoplasmic reticiculum
500
A type of cell that has a cell membrane, cytoplasm and ribosomes but not a nucleus
What is a prokaryotic cell ?