1. ¿Pueden un musculo y su antagonista insertarse en los mismos lugares de los mismos
huesos?

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

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

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass