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Partial purification and determination of some properties of an aminotransferase of pea (Pisum sativum L.) plants

Creator:: Matheron, Michael Earl
Abstract:: A transaminase (aminotransferase, EC 2. 6. 1) was extracted and purified approximately 148-fold from shoot tips of pea (Pisum sativum L. cv. Alaska) seedlings and some properties of the enzyme were determined. The purification included acetone precipitation followed by column chromatography on hydroxylapatite. With a-ketoglutarate as co-substrate, the acetone precipitated...
Resource Type:: Masters Thesis
Full Text:: investigations and during the preparation of this thesis. Appreciation is also expressed to Drs. Harold J

The effects of ultraviolet irradiation on the photosynthetic apparatus

Creator:: Mantai, Kenneth Edward
Abstract:: The effects of ultraviolet (UV) irradiation on photosynthesis and various partial reactions involving the individual photoreactions of photosynthesis were examined. These reactions included photo-reduction in adapted green algae, Hill reaction, cyclic photophosphorylation, the 520 nm absorbance change and variable-yield fluorescence. The reactions were measured in spinach chloroplasts and isolated chloroplasts...
Resource Type:: Dissertation
Full Text:: completed and during preparation of this thesis. I would also like to thank Dr. Harold J. Evans, Dr

Morphology and genesis of Gray Podzolic soils in Thailand

Creator:: Rojanasoonthon, Santhad
Abstract:: Nine Gray Podzolic soils from different physiographic regions of Thailand were studied to determine their characteristics and genesis in relation to their parent materials, land form, pedogenic environment, classification and management. The clay was characterized by X-ray diffraction and standard chemical and physical analyses were performed. Mineralogy of the light...
Resource Type:: Dissertation
Full Text:: . Highsmith, Jr. and Harold J. Evans for their willingness to serve as program com- mittee members, and to

The effects of a mutation within vitamin E biosynthesis upon the development and function of the photosynthetic apparatus

Creator:: Sicher, Richard Charles
Abstract:: A new photosystem-II mutant of the green alga Scenedesmus obliquus D₃, strain PS-28, has been shown to lack a-tocopherol (vitamin E). The photosynthetic activity of dark grown samples of PS-28 is about 20% of the wild-type control. Culturing the mutant at low light intentisites (10⁴ ergs/sec-cm ²) stimulates photosynthetic activity...
Resource Type:: Dissertation
Full Text:: appreciation is extended to Drs. Harold Evans, Don Reed, Irvin Isenberg, and B. J. Verts for serving on my

Effect of sulfur on dinitrogen fixation of alfalfa (Medicago sativa L.)

Creator:: Lopez-Jurado, Gerardo
Abstract:: Field experiments were established in 1982 and 1983 on a Woodburn silt loam soil (Aquultic Argixeroll) to examine the effect of S fertilizer on dinitrogen fixation and dry matter yield of 10 week-old seedling alfalfa (Medicago sativa L. cv. 'Apollo'). Six levels of S fertilizer (0 to 67.2 kg S/ha)...
Resource Type:: Dissertation

Manganese absorption by barley roots

Creator:: Maas, E. V. (Eugene Vernon), 1936-
Abstract:: An investigation of Mn uptake by five-day-old excised barley roots revealed that a metabolically-mediated process was involved. In short-term experiments, the rate of Mn absorption was comparable to that of the macronutrient cations. Like other metabolically absorbed cations, the Mn absorption rate was a direct function of the ambient concentration...
Resource Type:: Dissertation

Partial purification and properties of tryptophan synthase of pea (Pisum sativum L.) plants

Creator:: Nagao, Ronald Tsutomu, 1945-
Resource Type:: Dissertation
Full Text:: investigations and the preparation of this thesis. Appreciation is also expressed to Drs. Harold J. Evans

Cell wall formation in Fucus zygotes : cellulose synthesis and deposition after fertilization

Creator:: Stevens, Patricia T.
Abstract:: Under defined cultural conditions, large populations of zygotes of the brown algae Fucus vesiculosus L. and F. distichus L. Powell synchronously form a cell wall shortly after fertilization. Intact cell walls, free of cytoplasm and maintaining shape properties of early stages of embryo development, have been isolated from these zygotes....
Resource Type:: Dissertation
Full Text:: this research. I also wish to thank Dr. Te May Ching, Dr. Harold J. Evans, Dr. Fred R. Rickson and Dr

Pyruvate kinase isozymes in beef and chicken

Creator:: Strandholm, John Jeffrey, 1945-
Resource Type:: Dissertation
Full Text:: . In addition I would like to thank the members of my committee, Drs. Sonia R. Anderson, Harold J

Growth control of a marine diatom by low and limiting levels of nitrate-nitrogen

Creator:: Larsen, David Phillips
Resource Type:: Dissertation
Full Text:: and around the phyto lab; Members of my committee, Dr. Harold Evans, Dr. Norman Cutshall, Dr

ScholarsArchive@OSU

Partial purification and determination of some properties of an aminotransferase of pea (Pisum sativum L.) plants

The effects of ultraviolet irradiation on the photosynthetic apparatus

Morphology and genesis of Gray Podzolic soils in Thailand

The effects of a mutation within vitamin E biosynthesis upon the development and function of the photosynthetic apparatus

Effect of sulfur on dinitrogen fixation of alfalfa (Medicago sativa L.)

Manganese absorption by barley roots

Partial purification and properties of tryptophan synthase of pea (Pisum sativum L.) plants

Cell wall formation in Fucus zygotes : cellulose synthesis and deposition after fertilization

Pyruvate kinase isozymes in beef and chicken

Growth control of a marine diatom by low and limiting levels of nitrate-nitrogen

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