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.

Glycogen is to animal cells as ________ is to plant cells. A. lipid B. cellulose C. starch D. protein E. sugar

Which of the following monomers is NOT correctly matched with an appropriate corresponding polymer? A)amino acid—starch B)nucleotide—DNA C)monosaccharide—glycogen D)nucleotide—RNA E)all of these are correctly matched.

The main difference between prokaryotic cells and eukaryotic cells is A. prokaryotic cells have more internal, membrane-bound compartments than eukaryotic cells. B. eukaryotic cells have membrane-bound subcellular compartments, called organelles, and prokaryotic cells do not. C. prokaryotic cells have linear DNA and eukaryotic cells have circular DNA. D. prokaryotic cells have a nucleus and eukaryotic cells do not. E. eukaryotic cells contain double-stranded DNA while prokaryotic cells do not

If a cell is placed in a hypotonic solution, which will occur? A. Salts will move into the cell from the surrounding solution.B. Water will move into the cell from the surrounding solution.C. Salts will move out of the cell into the surrounding solution.D. Water will move out of the cell into the surrounding solution.E. None of the choices will occur.