Many bacteria are _____ and must have oxygen to live, whereas other bacteria are _____ and cannot live where oxygen is present.

__________–a substance that speeds up a chemical reaction, but is not changed or consumed by the reaction

In the soil, some ______ convert nitrogen to a form that can be used by plants.

You discover a prokaryote that can make its own food in the absence of light. Nutritionally, you would classify this prokaryote as a ______.

_______-a long, threadlike structure that protrudes from the surface of the cell and is used in locomotion

__________–a process by which cells absorb molecules (such as proteins) by engulfing them; used by all cells of the body because most substances important to them are large polar molecules that cannot pass through the plasma membrane

__________–describes a chemical reaction in which the products contain less free energy than the reactants, so that free energy is released in the reaction

________–in atoms, the central core containing protons and neutrons; in eukaryotic cells, the membrane-bound organelle that house the DNA

___________-the DNA strand that can be synthesized continuously from the origin of replication

One difference between human body cells and bacterial cells is that bacterial cells have