Match the actions to the appropriate stage of Mitosis:
1. Nuclear Envelope Breaks Down--
2.Chromosomes Line up Along Middle
(Metaphase Plate)
3.Kinetochores appear at centromeres-
4.Spindle Fibers Emerge from Centrosomes-
5.Centrosomes move toward opposite poles--

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Solutions to environmental problems in europe must