What part of meiosis ensures that no sperm or egg cells are alike

a client has been prescribed misoprostol for the treatment of peptic ulcer disease. what is a true contraindication for this medication

Which of the following represents a negatively charged ion? of t 7

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.