Which statements describe what is gaines or lost during radioactive decay? check all that apply

1- atoms gain other atoms
2-elements take in energy
3-atoms lose smaller particles
4- elements gain smaller particles
5- energy and particles are released

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?

Earth is tilted on its axis. which of these would not exist if earth had no tilt?