Chapter 2 vocab Flashcards
anabole
a building up
endo
inside
exo
outside
glyco
sugar
hydro
water + lysis, breakdown
phragm
partition
katabole
a throwing down
katalysis
dissolution
lipos
fat
metabole
change
ose
sugar/carbs
ase
enzyme
dia
across/through
sakcharon
sugar
mono
single
di
two
poly
many
co
with
valent
having power
cell
smallest unit of matter
molecule
chemical structures that contain more than one atom bonded together by shared electrons
compound
any chemical substance made up of atoms of two or more elements
ion
atoms or molecules with an electric charge
cations
ions with positive charge
anions
ions with negative charge
ionic bonds
chemical bonds created by the electrical attraction between anions and cations
covalent bond
bond created by the sharing of electrons between atoms
single covalent bond
sharing of one pair of electrons
double covalent bond
sharing of two pairs of electrons
nonpolar covalent bond
sharing of electrons equally
polar covalent bond
sharing of electrons unequally
surface tension
attraction between water molecules at a free surface slows the rate of evaporation
Metabolism
refers to chemical reactions in the body
work
movement or change in the physical structure of matter
energy
capacity to perform work
kinetic energy
energy of motion
potential energy
stored energy
decomposition reaction
breaks a molecule into smaller fragments