the mhc I recognition receptor of the natural killer cell interacts with the mhc 1 receptor on healthy cells true or false

solar energy can be renewed, so it never runs out unlike nonrenewable energy such as coal, oil, and natural gas.

now that's beneficial xd

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.