CELLS 3.1-3.3

Created by mrs_farrell 

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types of cells, organelles and their functions

CELL THEORY

all organisms are made of cells, all existing cells are produced by other living cells, cells are the most basic unit of life

CYTOPLASM

jelly like substance that contains molecule building blocks

ORGANELLES

are structures specialized to perform distant processes within a cell

PROKARYOTIC CELL

do not have a nucleus or other membrane bound organelles

EUKARYOTIC CELLS

have a nucleus and other membrane bound organelles

CYTOSKELTON

a network of proteins that is constantly changing to meet the needs of a cell

NUCLEUS

is the storehouse of most genitic information, or DNA

ENDOPLASMIC RETICULUM

is a enter connected to folded membranes

RIBOSOMES

tiny organelles that link amino acids together to perform proteins

GOLGI APPARATUS

consists of closely layered stacks of membrane-- enclosed
, that processes, sorts, and delivers proteins (think of it as the UPS of the cell)

VESICLES

a general name used to describe small membrane bound sacs that divide some material from the rest of the cytoplasm

MITOCHONDRIA

supplies energy to the cell (think of the power house....or electric company supplying energy to your home!)

VACUOLE

is a fluid filled sac used for the storage of materials needed by cells (i think of a vacuum...or a storage unit)

LYSOSOMES

An organelle containing digestive enzymes

CENTRIOLLES

found near the nucleus. microtublles that lend structure. Help with cell division- is two small structures

CELL WALL

A rigid structure that surrounds the cell membrane and provides support to the cell

CHLOROPLASTS

organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis (little sunlight kidnappers)

CELL MEMBRANE

thin, flexible barrier around a cell; regulates what enters and leaves the cell

PHOSPHOLIPID

The primary membrane lipid. Phospholipids consist of a glycerol molecule esterified to two fatty acid chains and a phosphate molecule. Additional, highly hyrohpilic groups are attached to the phosphate, making this molecule extremely amphipathic.

FLUID MOSAIC MODEL

model that describes the arrangement and movement of the molecules that make up a cell membrane

SELECTIVE PERMEABILITY

a process in which a membrane allows some molecules to pass through while keeping others out

RECEPTOR

protein that detects a signal molecule and performs an action in response

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