Mitosis is the division of a cell's .
A. nucleus

B. cytoplasm

Which part of cellular respiration must occur before any of the other steps can occur

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

How are fossils used to date organisms?