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Cell Parts
study parts and functions of cells
21
Science
6th Grade
10/29/2008

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Cards

Term
Nucleus
Definition
control center of cell
Term
cell membrane
Definition

controls what enters and leaves cell

is semipermeable

Term
cytoplasm
Definition
jelly-like fluid in cell which holds organelles
Term
nucleolus
Definition
makes RNA
Term
Ribosome
Definition
produces proteins
Term
lysosome
Definition

produces digestive enzymes

Term
mitochondria
Definition
produces energy
Term

smooth endoplasmic reticulum

Definition
transports non-protein substances through cell
Term
rough endoplasmic reticulum
Definition
transports protein substances
Term
chloroplast
Definition
makes a plant cell green
Term
cell wall
Definition

protects and supports the plant cell

made up of cellulose

Term
nuclear membrane
Definition

surrounds the nucleus

controls what enters nucleus

Term
nucleoplasm
Definition
fluid in the nucleus
Term

Robert Hooke

Definition
looked at dead cork cells under microscope
Term
Anton Von Leewenhoek
Definition
looked at living cells under the microscope
Term

cell theory

Definition

all living things are made of cells

only living cells produce living cells

the cell is the basic unit of life

Term
differences between plant and animal cell
Definition

plant has a cell wall,chloroplast and is rectangular in shape

plant cells have no lysosomes or centrosomes

Term
semipermeable
Definition

allows only small molecules to pass through the cell membrane

Term
why was a stain used on the cheek and onion cell
Definition
they were colorless
Term
centrosome
Definition
pulls the chromosomes apart during cell division
Term
chromosome
Definition
carries the genetic traits(DNA)
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