12) Match the following molecules with their function for building proteins. (choose one of the numbers to go with one of the letters)
(not all the numbers would be used)

1.)DNA
2.)ribosomes & tRNA
3.)mRNA
4.)amino acids
5.)nucleic acids
6.)nucleotides
7.)ER (endoplasmic reticulum)

a.)workers
b.)master blueprint
c.)working-copy blueprint
d.)construction site
e.)building materials