The protons are positively charged, the electrons are negatively charged, and the neutrons are neutral.Opposite charges attract each other (negative to positive). Like charges repel each other (positive to positive or negative to negative).
The answer is d. The solar system used to have a bunch of dust and particles in the air, after a while gravity pulled the particles together and formed the sun and the other planets.
D is cnidarian. They have some cnidocytes.
Answer the following: A. Agarose gels are used in gel electrophoresis to separate what type of molecules: B. At what concentration range (%) are agarose gels typically used? C. Indicate why the concentration of Agarose is increased or decreased in certain Agarose gel electrophoresis applications? D. Polyacrylamide gels are used to separate what type of molecules?
dr naJiiB ibrahim
Telophase is the last stage in meitosis before cytokinesis