What body systems used in playing a video game?

Which of the following statements are true chromosomes make up genes

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

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