Which of the following is true about the mitochondrion of a cell? It has only one membrane.
It has no membrane.
It is circular.
It is where cellular respiration occurs.

When creating a graph, the goes on the x axis and the goes on the y axis. a. dependent variable, independent variable b. experimental group, control group c. independent variable, dependent variable d. control group, experimental group

20 the compound al(nh3)2 has atoms of nitrogen.

List five ways we are indebted to phytoplankton