Which step of mitosis involves the nucleus splitting and nuclear membranes forming around each new nucleus?
metaphase
prophase
anaphase
telophase

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction