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Byers, OMM, Lesson 7a
OMM, THE BEGINNING, LESSON 7
14
Science
6th Grade
08/12/2011

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Term
CELL
Definition
smallest organized unit of living protoplasm
Term
CELL MEMBRANE
Definition
the outermost living layer in cells. Helps give shape and support to cells. Selectively permeable
Term
CHROMOSOME
Definition
composed of DNA, which can be seen in a nucleus during mitosis.
Term
CYTOPLASM
Definition
liquid, living contents of the cell outside nucleus. Helps provide support for cells
Term
DNA
Definition
substance that carries the herditary traits that are passed from parent to offspring.
Term
Endoplasmic Reticulum (ER)
Definition
serves as a transportation and communication network between cytoplasm and nucleus
Term
GOLGI BODY
Definition
series of flattened, curved sacs that package, sort and distribute proteins within cell.
Term
LYSOSOME
Definition
sacs formed by Golgi bodies, contains enzymes that digest food, also breaks down worn or damaged cell parts
Term
MITOCHONDRIA
Definition
powerhouse of cell. places where nutrients are broken down and release energy.
Term
NUCLEAR ENVELOPE
Definition
membrane that encloses the nuclear materials.
Term
NUCLEUS
Definition
controls cell activites
Term
ORGANELLE
Definition
one of many structures in a cell that performs a specific function.
Term
RIBOSOME
Definition
tiny, knob-like particles in cells that manufacture protein. In plant and animal cells, many are attached to the membranes of the ER.
Term
VACUOLE
Definition
membrane-enclosed sacs in plant and animal cells that store substances such as water, food, and minerals.
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