A nucleotide that RNA uses but DNA does not is_________.

The plane that divides the body into superior and inferior portions is the_________.

The_________ are sites of protein synthesis within cells.

_________ lack(s) striations and are(is) involuntary.

The molecule that provides immediate energy for cellular processes is_________.

What hormone released by the kidneys stimulates RBC production?

One key difference between mitosis and meiosis is that mitosis occurs in _________ cells while meiosis only occurs in _________ cells.

In humans, the right lung consists of_________ lobes while the left has_________ lobes.

The monosaccharide that is the major carbohydrate fuel for body cells is_________.

The function of the ________________is to keep blood flowing in 1 direction through the heart.