When might you have to retake the knowledge, and road tests again?

1) this is the structure in the cell nucleus that houses a cell's genetic information

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins