Which organelle is a membrane bound sac which stores nutrients within the cell a endoplasmic reticulum b golgi complex c nucleus d vacuole

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Draw the structure of dna nucleotide with adenine as nitrogenous base

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that