Examination of a cell by transmission electron microscopy reveals a high density of ribosomes in the cytoplasm. this observation suggests that this cell is actively producing large amounts of which of the following molecules:
a) polysaccharides
b) proteins
c) lipids
d) nucleic acids

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

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