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Cell Theory and Organelles
Contributors to Cell Theory and Cell Organelles
35
Biology
10th Grade
09/26/2013

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Term
selectively permeable
Definition
allows only certain molecules to pass through
Term
nucleus
Definition
stores genetic information
Term
Robert Hooke
Definition
first to use the word "cell"
Term
Anton van Leeuwenhoek
Definition
first to look at a microorganism under the microscope
Term
Matthias Schleiden
Definition
said that all plant tissues are composed of cells
Term
Theodore Schwann
Definition
said that all animals are composed of cells
Term
Virchow
Definition
said that cells could only come from existing cells
Term
heterotroph
Definition
consumers
Term
autotroph
Definition
make their own energy
Term
organelle
Definition
specialized structure found within a cell
Term
ribosome
Definition
site of protein synthesis
Term
smooth endoplasmic reticulum
Definition
makes lipids that will be used in the cell membrane
Term
rough endoplasmic reticulum
Definition
involved in making proteins (modifies and shapes proteins)
Term
Golgi apparatus
Definition
modify, sort, and package proteins
Term
lysosome
Definition
breaks down and recycles organic materials and waste products
Term
vacuole
Definition
storage area
Term
mitochondria
Definition
carries out the process of cellular respiration
Term
cytoskeleton
Definition
internal network of protein tubes and fibers that help maintain cell shape
Term
cytoplasm
Definition
jellylike substance within the cell
Term
cell membrane
Definition
regulates the passage of materials into and out of the cell
Term
chloroplast
Definition
absorb energy from the sun and convert it to glucose
Term
cell wall
Definition
supporting structure found in plants and fungi
Term
unicellular organism
Definition
single celled organism
Term
colonial organism
Definition
unicellular organisms that live together in groups
Term
multicellular organism
Definition
organism with more than one cell
Term
cell specialization (differentiation)
Definition
a cell that becomes specialized for just one function
Term
prokaryotic
Definition
no true nucleus
Term
eukaryotic
Definition
contains a nucleus
Term
central vacuole
Definition
one large vacuole found in plants that stores water and nutrients
Term
flagella
Definition
tail-like structure used for motion
Term
cilia
Definition
hair-like structures used for motion
Term
locomotion
Definition
another term for motion
Term
nucleolus
Definition
found in the nucleus; produces ribosomes
Term
nuclear envelope (membrane)
Definition
surrounds the nucleus
Term
cristae
Definition
folded, inner membrane of the mitochondria
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