When cell parts are worn out, the lysosome digests them. The small particles are then let out as waste or are recycled to be used for other things in the cell. What characteristic of life is this?

Although there are a limited number of amino acids many different types of proteins exist because..

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Which law represents a balanced chemical equation?