The growth pattern indicates that growth progresses from the top of the body to the bottom, and the growth pattern indicates that growth progresses from the center of the body out toward the extremities.

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

Has magnification ability of hundreds of thousands of times

Ruby is conducting an investigation. an advantage of her design is that she can use a large range of variables, with that she can not be sure that one variable is the cause of another. what kind of investigation is ruby most likely conducting?