Discusses the impact of using laboratory exercises and queries on developing student sensitivity to bioethical issues. Examples of these questions and the responses of students of an introductory life science course at Worcester Polytechnic Institute, Worcester, Massachusetts are presented. (HM)

Describes an apparatus that facilitates the quantitative study of fermentation in yeast by allowing simultaneous measurements of fermentation rates in several treatments and a control. Explains a laboratory procedure in which the apparatus is used. Several suggestions for further investigations are included. (Author/RT)

Outlined are materials and testing procedures in which various plant species are screened to determine if they are producing antibiotics. Diagrams are included. (RT)

Discusses an enzyme kinetics laboratory experiment involving a two substrate system for undergraduate biochemistry. Uses the enzyme gamma-glutamyl transpeptidase as this enzyme in blood serum is of clinical significance. Notes elevated levels are seen in liver disease, alcoholism, and epilepsy. Uses a spectrophotometer for the analysis. (MVL)

Introduces a low-cost protein-testing technique using gel electrophoresis. Describes materials, manufacturing method, and experimental method. (YP)

An easily implemented practical exercise in applied science for biology students is presented that uses fungi to degrade an azo-dye. This is an example of bioremediation, the employment of living organisms to detoxify or contain pollutants. Its interdisciplinary nature widens students' perspectives of biology by exposing them to a chemical…

Contrary to popular belief, plants are very much in tune and in time with their immediate environment. The most important environmental cues for plants are light and gravity. In this article, the authors discuss the effects of light on plant development and use the spores of the sensitive fern (Onoclea sensibilis) in laboratory exercises to…

A project involving the synthesis of several naturally occurring copper double salts using simple aqueous conditions is reported. The ions present in the compound are analyzed using colorimetric, gravimetric, and gas-analysis techniques appropriate for the first-year laboratory and from the percent composition, the empirical formula of each…

A discussion of the experiment at Dallas Baptist College, which attempted to incorporate a systems approach to media-supported instruction into the design of a total curriculum. Reasons for the failure of the program and lessons to be learned from the failure are presented. (HB)

An experiment in which the apparent size of a typeface was judged by 14 subjects, in a paragraph printed with different interline spacing. (Author)

From a special section, "Requisitioning: Now is the Time to Order for New Programs.