Describes the construction and use of equipment that measures low voltages of biological origin, including, for example, membrane properties of frog skin. (AL)

Compares scores obtained on a practical examination" with those awarded on the basis of six laboratory investigations over one year. Reports no significant differences in assessed performance, but teaching advantages suggest the continuous assessment is advantageous. (AL)

Describes two laboratory exercises adopted from current research papers for use in an undergraduate developmental biology course. Gives methods, summary of student results, and student comments. Lists lecture topics, text and reprint assignments, and laboratory exercises for course. (EB)