Which of these structures are found in both plant ans animal cells?

How are primary producers important to the alligator's energy supply

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Nucleoplasmin is a nuclear protein. this protein was divided into two segments and linked to the same large cytoplasmic protein. what is the name of that large cytoplasmic protein