<span>If Jason wants to build muscle mass in a healthy way, what kind of exercise should he include in his fitness program?
B) anaerobic</span>
During prophase I, the chromosomes condense and become visible inside the nucleus. Because each chromosome was duplicated during the S phase that occurred just before prophase I, each now consists of two sister chromatids joined at the centromere.
"Breaking a habit" means to D) stop doing a particular behavior for good.
Goals<span> that take a </span>long<span> time to achieve are called </span>long-term goals<span>. Find out more about them. A </span>short-term goal<span> is something you want to do in the near future. The near future can mean today, this week, this month, or even this year.</span>
