Bio ch 06 sections 1, 2, 3

30 terms by Greenemooney 

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Intro to cells and cell membranes

Diffusion

Passive movement of a substance from where there is a lot, to where there's not much

Osmosis

diffusion of water

prokaryotic

a cell with no true nucleus

eukaryotic

a cell with a true nucleus

protein

part of the cell membrane that is used for facillitated diffusion

iso

_____ means "normal

hyper

this means above

hypo

this means below

wilting

if a plant cell shrivels it is called

crenation

if a red blood cell shrivels it is called

endocytosis

a way to bring materials into a cell

exocytosis

a way to move materials out of a cell

pinocytosis

a way to bring small drops of liquid into a cell

phagocytosis

a way to bring larger particles into a cell

DNA

important material found in the nucleus

plasma membrane

another name for the cell membrane

cell

the basic unit of life

pre-existing

all cells come from _-____ cells

organelle

each part of a cell that has a specific job is called (a/an) _____

membrane

the cell _____ controls what enters and leaves the cell

nucleus

DNA is found in the _____

cytoplasm

is found between the cell membrane and the nucleus

prokaryotic

oldest organisms in the fossil record include_____ cells

prokaryotic

_____ organisms include bacteria and domain archae.

phospholipid

the cell membrane is a _____ bilayer

passive

no energy needed for _____ transport

active

energy is needed for _____ transport

oxygen, water, and carbon dioxide

the three molecules that can diffuse through a cell membrane

gradient

if the concentrations of solutions are different on two sides of a membrane, you have a concentration _____

facillitated

_____ diffusion occurs through a chanel or tube in a protein

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