__________–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

_________________________________ protective coverings of the central nervous system (the dura mater, arachnoid, and pia mater) that line the skull and vertebral canal and enclose the brain and spinal cord

_________________________________ -sweat glands abundant on the palms, soles of the feet, and the forehead

Bacteria can be classified according to their

____________-muscle that aids a prime mover by effecting the same movement or by stabilizing the joint across which the prime mover acts; prevents undesirable movements

_______________-embryonic formation of bone by the replace of calcified cartilage; most skeletal bones are formed by this process