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Masters Theses

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Articles 61 - 66 of 66

Full-Text Articles in Cell and Developmental Biology

The Effects Of Desoxycorticosterone, Hydrocortisone, And Prednisone On Myogenesis In Vitro, Gregory K. Nienaber Jan 1972

The Effects Of Desoxycorticosterone, Hydrocortisone, And Prednisone On Myogenesis In Vitro, Gregory K. Nienaber

Masters Theses

In order to obtain proper muscle development in tissue culture, certain conditions must prevail. There is a delicate balance of factors, and elimination of even one of these factors leads to poor and improper development. Muscle cells grown in the absence of fibroblasts usually fail to differentiate. Therefore, proper development depends upon the presence of two cell types: myoblasts and fibroblasts. Investigators have demonstrated that the fibroblasts are necessary in that they produce collagen which is necessary for proper muscle development. The present study has shown that desoxycorticosterone, hydrocortisone, and prednisone at concentrations of 10, 1, and 0.1 ug/ml of …


Lysis Of The Rhizobiaceae, Craig Richard Baumrucker Jan 1971

Lysis Of The Rhizobiaceae, Craig Richard Baumrucker

Masters Theses

The following members of the Rhizobiaceae were tested for their lytic response to various treatments: Agrobacterium tumefaciens, Chromobacterium violaceum, Rhizobium phaseoli, Rhizobium trifolii, Rhizobium lupini, and Rhizobium japonicum. Lysis was observed in spent growth media and as a function of saline concentration, pH, buffer composition, disodium (ethylenedinitrilo) tetraacetate (EDTA) concentration, and lysozyme.

Cells were harvested by centrifugation, washed, and resuspended in various treatment solutions. The lytic response was followed spectrophotometrically.

The different responses of the six cultures was applied to a summation of reclassification proposals evolved through modern taxonomic techniques such as DNA homology …


A Histochemical Study Of The Ovary Of The Milkweed Bug Oncopeltus Fasciatus (Dallas), With Special Reference To The "Intermediate" Cell, Khian Kioe Liem Jan 1970

A Histochemical Study Of The Ovary Of The Milkweed Bug Oncopeltus Fasciatus (Dallas), With Special Reference To The "Intermediate" Cell, Khian Kioe Liem

Masters Theses

No abstract provided.


Forelimb Regeneration Study In The Adult Small-Mouthed Salamander (Ambystoma Texanum), John Farrell Williams Jan 1969

Forelimb Regeneration Study In The Adult Small-Mouthed Salamander (Ambystoma Texanum), John Farrell Williams

Masters Theses

No abstract provided.


A Comparative Study Of The Ontogeny Of Macrosclereids And Osteosclereids In The Integument Of Cassia Fasciculata And Desmodium Canadense, Philip John Arnholt Jan 1967

A Comparative Study Of The Ontogeny Of Macrosclereids And Osteosclereids In The Integument Of Cassia Fasciculata And Desmodium Canadense, Philip John Arnholt

Masters Theses

No abstract provided.


A Developmental Study Of The Endocarp Tissue In The Fruits Of Malus X Zumi And Crataegus Mollis, Two Representatives Of The Family Rosaceae, Subfamily Maliodeae, David Lee Haas Jan 1967

A Developmental Study Of The Endocarp Tissue In The Fruits Of Malus X Zumi And Crataegus Mollis, Two Representatives Of The Family Rosaceae, Subfamily Maliodeae, David Lee Haas

Masters Theses

No abstract provided.