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

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

In which ways are mercury and venus similar?

Bones function as levers for the muscles to provide movement of the body. what refers to increasing the angle of the joint, thus moving two bones farther apart? a) abduction b) adduction c) extension d) flexion