PLZ HELP ME What is the function of a ribosome? A. Ribosomes surround the cell and control which materials come into and out of the cell.
B. Ribosomes make proteins that the cell uses to build structures.
C. Ribosomes direct the cell's activities and hold its DNA, the instructions for making all of its parts
. D. Ribosomes break down and reuse cell materials. ​

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d