The results of an experiment indicate that going without sleep has a significant negative effect on memory abilities as measured by a memory test.  In this experiment, sleep deprivation is the __________, whereas performance on a memory test is the __________.

According to the activation-synthesis theory proposed by Hobson & McCarley, dreams:

Sleep patterns change across the life-span in that:

Two names closely associated with the behaviorist perspective are:

The phospholipids of a cellular membrane will have their ____ ends facing each other (inside) and their ____ ends facing away from each other (outside). A. hypotonic, hypertonicB. hypertonic, hypotonicC. hydrophilic, hydrophobicD. hydrophobic, hydrophilic  

Carbon-12, Carbon-13 and Carbon-14 are examples of _______________. A. radioactivity B. isotopes C. isomers D. molecules

. The major functions of the plasma membrane do NOT include A. separation of the fluid environments inside and outside the cell.B. regulation of molecules and ions that pass into and out of the cell.C. recognition and communication between different cells and tissues.D. maintaining connections between adjacent cells.E. production of proteins used in construction of the cell wall.

Cell structures that function in cell division are A. Golgi bodies.B. ribosomes.C. granules.D. centrioles.

Membrane-bounded vesicles that contain enzymes for oxidizing small organic molecules with the formation of hydrogen peroxide are A. vacuoles.B. vesicles.C. glyoxisomes.D. lysosomes.E. peroxisomes.

Which of the following help in defending humans against disease? A. immunoglobulins (antibodies)B. lysosomesC. peroxisomesD. All of the choices help defend against disease.