Life Science
Definition
Word & Derivation
Something that has all of the characteristics of life
Organism
_____________________________________
Derivation & Meaning:
an organism's ability to maintain steady internal
Homeostasis
_____________________________________
Derivation & Meaning:
conditions when outside conditions change
Homeo- Greek for “like”
Stasis Greek for “to stay still”
Cell
the smallest unit of structure and function in living
things
_____________________________________
Derivation & Meaning:
Latin for “small room”
the theory that states that all living organisms are
made up of cells; all cells are made from other cells
and that the cell is the smallest (basic) unit of life
Cell Theory
__________________________________
___
Derivation & Meanin
Cell Latin for “small room”
From Greek theoretikos “contemplative,
speculative”
Drawing That Shows The Definition
Life Science
Definition
Definition
Macromolecules that carry genetic information (ex.
the organelle in the center of a cell that
DNA & RNA). They are formed when nucleotides join
directs all cell activities (contains DNA)
together to form long chains (order of nucleotides =
code for genetic information)
Molecule made up of 1 or more bonded sugar
the liquid part of a cell inside the cell
molecules. Used to store energy (ex. Starch), provide
membrane that contains salts and holds the
structural
support (cellulose) and for communication
organelles
between cells.
A tiny structure in the cell that has a specific function;
a cell organelle that converts the chemical
membrane-surrounded
component
of a eukaryotic
energy stored in food
into compounds
that
cell
a specialized
function
arewith
more
convenient
for the cell to use
Word & Derivation
Word & Derivation
Nucleic Acid
_____________________________________
Nucleus
Derivation
&
Meaning:
_____________________________________
Derivation & Meaning:
Nucleus Latin for “kernel”
Nucleus- Latin for “kernel”
Acid Latin for “sour”
Carbohydrates
Cytoplasm
___________________________________
_____________________________________
Derivation & Meaning:
Derivation & Meaning:
Carbo- Latin for “coal”
Cyto- Greek for “a hollow”
Hydro Greek for “water”
Plasm- Greek for “something molded”
Organelle
Mitochondrion
_____________________________________
_____________________________________
Derivation & Meaning:
Derivation & Meaning:
Organ Latin for “tool”
Mitos Greek for “thread”
Chondros Greek for “grind”
A cell that contains a membrane bound nucleus and
organelle in plant cells that captures
other membrane bound organelles.
energy from sunlight and uses it to make
sugars (blood for cell) in a process called
photosynthesis
Eukaryotic Cell
Chloroplast
_____________________________________
_____________________________________
Derivation & Meaning:
Derivation & Meaning:
Eu- Greek for “good”
ChrloroGreekfor
“green”
Karyon Greek
“kernel/nut”
Cell Latin for “small room”
Plastos- Greek “formed”
Drawing That Shows The Definition
Drawing That Shows The Definition
Life Science
Definition
stiff structure that surrounds the cell
membrane in plant cells giving the cella
rigid, box-like shape
Word & Derivation
Cell Wall
_____________________________________
Derivation & Meaning:
Cell Latin for “small room”
Wall Latin for “stake/fence”
small organelles that make proteins for
the cell (some attached to endoplasmic
reticulum & others float freely in
cytoplasm)
sacs within the cytoplasm of the cell that
store water, food, waste products and
other materials
The thin flexible barrier that surrounds
all cells and regulates what enters and
leaves the cell.
Ribosomes
_____________________________________
Derivation & Meaning:
No derivation
Vacuoles
_____________________________________
Derivation & Meaning:
Vacuus Latin for “empty”
Cell Membrane
_____________________________________
Derivation & Meaning:
Cell Latin for small “room”
Membrane Latin for “member”
Drawing That Shows The Definition