What do lysosomes produce that are essential to their function

the answer is

c. parental

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

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bioteacher101