Different cardiac tissues work together to move blood throughout the body to form which structure?

- A Eukaryotic cell
- An organic molecule called lipid
- An organ called The Heart
- An organelle called the nucleus

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material

Why are human population trends difficult to predict?