Explain the relationship between electrons, neutrons and protons

What is the next step in muscle contraction after the actin changes shape? (apex)

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.