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19 Cards in this Set

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  • Back
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Nucleus

Contains DNA


pattern for building all proteins of the cell

Cytoskeleton

Several different types


-internal scaffolding of cell

Cytoplasm

Semi-Solid Substance


-fills space between plasma member and and nucleus


-composed of organelles supported in cytosol

Plasma membrane

Outer boundary of cell


Lipid bilayer


Regulates what enters or leaves cell

Levels of organization (5)

Organelles-cells-tissues-organs-organ systems

Site of tRNA synthesis?

Neucleolus

Ribosomes

rRNA & proteins


Site of mRNA translation


Free ribosomes are in cytoplasm


Fixed ribosomes stud outside of RER

Dots

Rough ER

Membranous organelle


-network of channels


-protein synthesis

Mitochondria

Bean-shaped


-ATP synthesis

Lysosome

Membrane-bound vesicle


-contains hydrolytic enzymes

Yellow dots

Smooth ER

Tube like structure


-site of lipid synthesis

Centriole

Paired organelle


Organized spindle fibers during mitosis

Golgi Apparatus

-stacks of plates


-proteins packaged for secretion

Transport Vesicle

Transports substances throughout the cell

Stages of Mitosis

Interphase, Prophase, metaphase, anaphase, telophase, cytokinesis

Interphase

Not a part of mitosis, cell cycle: cell is functioning, growing, and replicating DNA

Prophase

Chromatin condenses to form visible sister chromatids, spindle fibers appear, and nuclear membrane disappears

Metaphase

Sister chromatids line up along equator, spindle fibers become more apparent to each sister chromatids at its centromere

Anaphase

Start to split