Lipids such as cholesterol that add extra flexibility to cell membranes

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?