Whatare the small protein structures that unicellular organisms like the parsmecium use as tiny paddles to swim around with

Me with biology endocrine system crossword also image left i need with hw

What drives the atp synthase reactions that produce atp

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