DNA
Deoxyribonucleic Acid

RNA
Ribonucleic Acid

ATP
Adenosine Triphosphate

H2O
Water (Dihydrogen Monoxide)

CO2
Carbon Dioxide

O2
Oxygen

pH
Potential of Hydrogen (a measure of acidity)

kg
Kilogram

mL
Milliliter

cm
Centimeter

K
Kelvin (temperature)

g
Gram

s
Second

mol
Mole

N
Newton (force)

Hz
Hertz (frequency)

W
Watt (power)

m
Meter (length)

?m
Micrometer

nm
Nanometer