The ability of TC cells to initiate apoptosis in virally-infected cells and cancer cells is dependent on their ability to produce and ; proteins that punch holes in the target cell membrane.

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

What is the difference between how ionic and covalent bonds form

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures