The plant cell wall
a. is found just inside the plasma membrane. b. is a protective structure made of cellulose fibrils. c. regulates the composition of the cytoplasm. d. makes food by converting light energy to chemical energy. e. is very similar to the animal cell wall.

Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Which factor affects the force of gravity between objects? check all that apply. direction distance mass shape time