Parts of a Cell Diagram | Quizlet

TERM

plasma membrane

DEFINITION

external cell barrier; transport substances in/out of cell; transport proteins & cell-to-cell recognition

TERM

centriole

DEFINITION

Organize cell division

TERM

ribosome

DEFINITION

site of protein synthesis

TERM

mitochondria

DEFINITION

powerhouse of the cell, produces ATP

TERM

smooth endoplasmic reticulum; ER

DEFINITION

site of lipid & cholesterol synthesis

TERM

rough endoplasmic reticulum; ER

DEFINITION

studded with ribosomes; proteins bound in vesicles going to golgi apparatus

TERM

golgi apparatus

DEFINITION

packages, modifies & segregates proteins

TERM

lysosome

DEFINITION

intracellular digestion

TERM

cytoplasm

DEFINITION

material between the cell membrane and the nucleus

cytosol

contains dissolved solutes

TERM

chromatin

DEFINITION

clusters of DNA & RNA

TERM

nucleolus

DEFINITION

Makes ribosomes

TERM

nucleus

DEFINITION

Control center of the cell

TERM

microtubule

DEFINITION

support cell & gives shape

TERM

intermediate filaments

DEFINITION

resist mechanical forces acting on cell

TERM

microfilaments

DEFINITION

involved in muscle contraction; help form cytoskeleton

TERM

microvilli

DEFINITION

increase surface area for absorption

cillia

creates unidirectional current propelling substances across cell surfaces

TERM

nuclear envelope

DEFINITION

regulates passage of substances to & from nucleus; double bilayer lipid

S phase

DNA replication

TERM

peroxisome

DEFINITION

enzymes detoxify number of toxic substances; breaks down hydrogen peroxide

TERM

centrosome matix

DEFINITION

small fibers surrounding centrioles

TERM

secretory vesicles

DEFINITION

transport certain cell secretions

TERM

nuclear pore

DEFINITION

allows small molecules & ions to freely pass or diffuse in or out of nucleus