Match Each Term to Its Definition or Characteristic

Multiple Choice

Match each term to its definition or characteristic.
a.galactose
k.catalyst
b.electron
l.polar
c.radioactivity
m.buffer
d.proton
n.anion
e.amino group
o.enzymes
f.glucose
p.matter
g.compounds
q.neutron
h.carboxyl group
r.atomic weight
i.cation
s.fructose
j.glycogen
-Which four elements make up more than 96% of the human body?

A) Oxygen, carbon, hydrogen, and iron
B) Carbon, hydrogen, calcium, and oxygen
C) Nitrogen, oxygen, carbon, and sodium
D) Oxygen, carbon, hydrogen, and nitrogen