Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Charles L. Ralph"'
Autor:
Kaltenbach-Townsend, Jane C.
Publikováno v:
American Scientist, 1985 Jan 01. 73(1), 88-88.
Externí odkaz:
https://www.jstor.org/stable/27853122
Autor:
Calder, William A.
Publikováno v:
The Quarterly Review of Biology, 1979 Mar 01. 54(1), 104-104.
Externí odkaz:
https://www.jstor.org/stable/2825596
Autor:
Sawyer, Wilbur H.
Publikováno v:
The Quarterly Review of Biology, 1984 Jun 01. 59(2), 217-217.
Externí odkaz:
https://www.jstor.org/stable/2829794
Autor:
Charles L. Ralph
Publikováno v:
The Pineal Gland ISBN: 9780429280931
Comprehensive reviews dealing with the embryology, morphology, vascularization, innervation, and cytology of avian pineal glands are available. Among species of birds, the morphology and cytology of the pineal gland are remarkably varied. According t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f98f00f6ee5817042e09c12a245c5106
https://doi.org/10.1201/9780429280931-2
https://doi.org/10.1201/9780429280931-2
Autor:
John C. Wingfield
Publikováno v:
BioScience. 34:331-331
Autor:
Wilbur H. Sawyer
Publikováno v:
The Quarterly Review of Biology. 59:217-217
Autor:
Charles L. Ralph
Publikováno v:
The American Biology Teacher. 58:142-146
Autor:
Charles L. Ralph
Publikováno v:
The American Biology Teacher. 57:308-312
Electronic media are new tools that teachers are adding to the already conventional overhead transparencies, slides or video films (Falk & Carlson 1992). Videodiscs are one of the best of the new media in that they store a very large number of images
Autor:
Daniel More, Charles L. Ralph
Publikováno v:
Journal of Educational Technology Systems. 21:79-84
At Colorado State University we designed an experiment wherein approximately half of a class of 184 students in a semester, first-year biology class was placed in a traditional hands-on, experiential laboratory for two hours per week and the other ha
Publikováno v:
Endocrinology. 97:1373-1378
Pineal serotonin N-acetyltransferase activity and melatonin content exhibit marked daily changes in chickens; peak values occur during the period of low locomotor activity which coincides with dark in a 24-hour light-dark cycle. The photic and neural