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Chapter 6 for the final... Bill this is getting ridiculous. Just sayin.

eukaryotic cell

"true kernel"; complex; has nucleus and organelles

prokaryotic cell

"before kernel"; simple; no nucleus or organelles; ex. bacteria

nucleoid

prokaryotic region where DNA exists

plasma membrane

most important cell component; selectively permeable; phospholipid bilayer

chromosomes

46 are contained in nuclei; long molecules of DNA wrapped around histone proteins

chromatin

unwound DNA during interphase

endomembrane system

comprised of nuclear envelope, endoplasmic reticulum, golgi apparatus, lysosomes, vacuoles, vesicles, and the cell membrane

smooth ER

endoplasmic reticulum with no ribosomes

rough ER

endoplasmic reticulum with ribosomes dotting the surface

transport vesicles

move molecules between locations inside the cell

golgi apparatus

package materials for "shipping"

endocytosis

using vesicles to bring things in to the cell

exocytosis

using vesicles to export things from the cell

vacuoles

digest food particles to use energy in the cell; central compartment in plant cell is used for osmoregulation

mitochondria

ATP is produced here; 2nd part of cell respiration takes place here; "power house" of the cell

chloroplasts

in plant cells where photosynthesis takes place

thylakoids

flat, membranous discs where light reactions take place in chloroplasts; contain chlorophyll

grana

stacks of thylakoids

stroma

dense inner fluid of chloroplasts

cell wall

only in plant cells; protects the cell

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