There are thousands of different
proteins being produced within the
cell. How does a cell 'know' which
proteins to produce?

A. The ribosomes produce the proteins by
communicatiing with the cell.
B. The DNA segments code for different protein
production.
C. All proteins are the same.

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?