Chapter Questions
Use specific examples to illustrate how cells vary in size.
Describe how the shapes of nerve and muscle cells are related to their functions.
Name the major portions of a cell and describe their relationship to one another.
Discuss the structure and functions of a cell membrane.
Distinguish between organelles and inclusions.
Define selectively permeable.
Describe the structures and functions of each of the following:a. endoplasmic reticulumb. ribosomec. Golgi apparatusd. mitochondrione. lysosomef. centrosomeg. vacuoleh. fibril and microtubule
Define inclusion.
Describe the structure of the nucleus and the functions of its parts.
Distinguish between diffusion and facilitated diffusion
Explain how diffusion aids in the exchange of gases within the body
Describe how dialysis is used to separate wastes from blood in an artificial kidney.
Define osmosis.
Define osmotic pressure.
Distinguish between solutions that are hypertonic, hypotonic, and isotonic
Define filtration and explain how it is involved with the movement of substances through capillary membranes.
Explain why active transport is called a physiological process while diffusion is a physica! process
Explain the function of carrier molecules in active transport.
Distinguish between pinocytosis and phagocytosis
Describe the life cycle of a cell
Name the two processes included in cell reproduction
Describe the major events of mitosis
Dehine interphase.
Define differentiation and explain how it may involve the repression of DNA information.
Explain how surface-volume relationships may function in the control of cell reproduction.
Describe the general characteristics of cancers
Name some of the factors that may cause cancers.