Now showing items 31-40 of 217
Solpugida of Canada
(Entomological Society of Alberta, 1992-04)
The odoriferous glands of some Palpatores Phalangida (Opiliones) (Arachnida)
(The University of Saskatchewan, 1971)
The odoriferous glands of especially Phalangium opilio and to a lesser extent Opiliones parietinus, Odiellus pictus, Homolophus biceps, Leiobunum calcar and L.. vittatum were investigated by: external examination; dissection; ...
Progress on Low-Cost Pulse-Counting Magnetometers for Geomagnetic Studies
"what the world needs now is a good $500 magnetometer"
Re-description of Togwoteeus biceps (Arachnida, Opiliones, Sclerosomatidae) with notes on its morphology, karyology and phenology.
(Journal of Arachnology, 1997)
The harvestman genus Togwoteeus Roewer 1952 is monotypic. Its only species, T. biceps (Thorell 1877), is known from throughout western Canada and USA and is newly recorded from California, Nebraska, Nevada, Oregon, South ...
Postmortem on a Distance Education Course: Successes and Failures
(American Journal of Distance Education, 1992)
Athabasca University (AU) is an open university committed to delivering courses via distance education technology. In 1973, AU started work on "World Ecology: The Scientific Context" as its first home study course. This ...
Overwintering aggregations of Leiobunum paessleri in caves and mines (Arachnida, Opiliones).
(Journal of Arachnology, 1984)
In the forested mountain areas of southwestern Canada, Leiobunull1 paessleri (Roewer) form overwintering aggregations in the twilight regions of moist caves and mines. Each aggregation consists of adults of both sexes ...
Home lab activities for introductory biology delivered at-a-distance
(Tested studies for laboratory teaching, 1998)
Does Beta-Carotene Prevent Cancer? A Critical Appraisal
(Nutrition Research, 1988)
The possible role of beta-carotene as a protective nutrient against cancer is reviewed. Human prospective and retrospective studies strongly indicate that beta-carotene protects against lung cancer and probably against ...
Effect of Dietary Beta-Carotene on Hepatic Drug-Metabolizing Enzymes in Mice
(Journal of Clinical Biochemistry and Nutrition, 1987)
The effects of dietary supplements of beta-carotene (20-500 mg per kg diet) on hepatic microsomal drug-metabolizing enzyme activities were studied in mice. Supplementation for 14 days resulted in marked reductions in ...
Biochemical status of vitamin A in colorectal cancer
(Journal of Clinical Biochemistry and Nutrition, 1990-10)
Serum vitamin A and its carrier proteins, retinol-binding protein and prealbumin, were measured in 41 colorectal cancer patients, 40 patients with benign colorectal disease, and 31 healthy subjects. Serum samples were ...