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Chapter 6-7 Roots
Cell Membranes and Functions - Root words
34
Biology
Undergraduate 1
09/20/2008

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Term
 
 
 
 
Centro- 
 
Soma-
 
Centrosome
Definition

 

the center

 

a body

 

material present in the cytoplasm of all eukaryotic cells and important during cell division

Term

 

 

 

 

Chloro-

 

Chloroplast

Definition

 

 

 

green

 

the site of photosynthesis in plants and eukaryotic algae

 

Term

 

 

 

Cili-

 

Cilium

Definition

 

 

 

hair

 

 a short, hair-like cellular appendage with a microtubule core

Term

 

 

 

Cyto-

 

Cytosol

Definition

 

 

 

cell

 

a semifluid medium in a cell in which organelles are located

Term

 

 

 

-ell

 

 

organelle

Definition

 

 

 

small

 

 

a small, formed body with a specialized function found in the cytoplasm of eukaryotic cells

Term

 

 

 

endo-

 

 

endomembrane

Definition

 

 

 

inner

 

the system of membranes within a cell that includes the nuclear envelope, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles, and the plasma membrane.

Term

 

 

 

eu-

 

 

eukaryotic cell

Definition

 

 

 

 

true

 

a cell that has a true nucleus

Term

 

 

 

extra

 

 

extracellular matrix

Definition

 

 

 

outside

 

the substance in which animal tissue cells are embedded

Term

 

 

 

flagell-

 

 

flagellum

Definition

 

 

 

 

whip

 

a long, whiplike cellular appendage that moves cells

Term

 

 

 

glyco-

 

 

glycoprotein

Definition

 

 

 

sweet

 

a protein covalently bonded to a carbohydrate

Term

 

 

 

lamin-

 

nuclear lamina

Definition

 

 

 

sheet/layer

 

a netlike array of protein filaments that maintains the shape of the nucleus

Term

 

 

 

lyso-

 

lysosome

Definition

 

 

 

loosen

 

a membrane-bounded sac of hydrolytic enzymes that a cell uses to digest macromolecules

Term

 

 

 

micro-

 

tubul-

 

microtubule

Definition

 

 

small

 

a little pipe

 

a hollow rod of tubulin protein in the cytoplasm of almost all eukaryotic cells

Term

 

 

nucle-

 

-oid

 

nucleoid

Definition

 

 

nucleus

 

like

 

the region where the genetic material is concentrated in prokaryotic cells

Term

 

 

phago-

 

-kytos

 

phagocytosis

Definition

 

 

to eat

 

vessel

 

a form of cell eating in which a cell engulfs a smaller organism or food particle

Term

 

 

 

plasm-

 

-desma

 

plasmodesmata

Definition

 

 

molded

 

a band or bond

 

an open channel in a plant cell wall

Term

 

 

 

pro-

 

-karyo

 

prokaryotic cell

Definition

 

 

 

before

 

nucleus

 

a cell that has no nucleus

Term

 

 

pseudo-

 

-pod

 

pseudopodium

Definition

 

 

false

 

foot

 

a cellular extension of amoeboid cells used in moving and feeding

Term

 

 

 

 

thylaco

 

thylakoid

Definition

 

 

 

sac or pouch

 

a series of flattened sacs within chloroplasts

Term

 

 

tono-

 

-plast

 

tonoplast

Definition

 

 

stretched

 

molded

 

the membrane that encloses a large central vacuole in a mature plant cell

Term

 

 

 

trans-

 

-port

 

transport vesicle

Definition

 

 

across

 

a harbor

 

a membranous compartment used to enclose and transport materials from one part of a cell to another

Term

 

 

 

ultra-

 

ultracentrifuge

Definition

 

 

 

beyond

 

a machine tha tspins test tubes at the fastest speeds to separate liquids and particles of different densities

Term

 

 

 

vacu-

 

vacude

Definition

 

 

 

empty

 

sac that buds from the ER, Golgi, or plasma membrane

Term

 

 

 

aqua-

 

-pori

 

aquaporin

Definition

 

 

water

 

a small opening

 

a transport protein in the plasma membrane of a plant or animal cell that specifically facilitates the diffusion of water across the membrane

Term

 

 

co-

 

trans-

 

cotransport

Definition

 

 

together

 

across

 

the coupling of the downhill diffusion of one substance to the uphill transport of anothe ragainst its own concentration gradient

Term

 

 

electro-

 

-genic

 

electrogenic pump

Definition

 

 

 

electricity

 

producing

 

an ion transport protein generating voltage across a membrane

Term

 

 

 

endo- 

 

cyto-

 

endocytosis

Definition

 

 

inner

 

cell

 

the movement of materials into a cell; cell eating

Term

 

 

exo-

 

 

exocytosis

Definition

 

 

 

outer

 

 

the movement of materials out of a cell

Term

 

 

hyper-

 

-tonus

 

hypertonic

Definition

 

 

 

exceeding

 

tension

 

a solution with a higher concentration of solutes

Term

 

 

 

hypo-

 

hypotonic

Definition

 

 

 

lower

 

a solution with a lower concentrations of solutes

Term

 

 

 

iso-

 

isotonic

Definition

 

 

 

same

 

solutions with equal concentrations of solutes

Term

 

 

 

phago-

 

phagocytosis

Definition

 

 

 

eat

 

cell-eating

Term

 

 

 

pino-

 

pinocytosis

Definition

 

 

 

drink

 

cell-drinking

Term

 

 

plasm-

 

-lyso

 

plasmolysis

Definition

 

 

molded

 

loosen

 

a phenomenon in walled cells in which the cytoplasm shrivels and the plasma membrane pulls away from the cell wall when the cell loses water to a hypertonic environment

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