The following research report is submitted in partial fulfilment of the requirements necessary to obtain the degree of Masters in Community-Based Counselling Psychology in the Faculty of Humanities, University of the Witwatersrand, Johannesburg 2014. / Research focusing on sexual minority groups has historically focused almost exclusively on homosexuality, leaving a relative void in the body of work focusing on bisexuality. While prejudices towards homosexual minorities have been researched extensively, such research either excludes bisexuality, or incorporates it into homosexuality without considering differences between the concepts. This research paper looked to explore factors influencing negative attitudes regarding bisexuality, specifically incorporating familiar and less familiar research variables. Tolerance of ambiguity and social conservatism are both factors with well-established ties to homophobia. While their conceptual link to biphobia would seem obvious, only a limited number of studies have been conducted to connect these factors to attitudes regarding bisexuality, and thus further research examining this trend is warranted. In this study, an attempt was made to build upon the work of Hoang, Holloway, and Mendoza, (2011), who conducted a study examining the effect of bisexual identity congruence on attitudes regarding bisexuality. In addition to tolerance of ambiguity and social conservatism, bisexual identity congruence was also examined as a possible contributor towards attitudes regarding bisexuality. Conducting this examination in tandem with previously correlated values was hypothesized to provide an indication of the relative strength of the effect of bisexual identity congruence on attitudes regarding bisexuality. A survey of 133 mixed heterosexual and non-heterosexual students was conducted, making use of instruments to measure attitudes regarding bisexuality, sexual orientation facets, tolerance of ambiguity and social conservatism. These results were then analysed statistically through correlation and multiple linear regression. The findings of the study indicated a potential positive correlation between increased sexual identity incongruence and decreased biphobia, in contrast to the initially hypothesized opposite trend. Three specific areas of sexual identity congruence appeared to be most influential towards attitudes regarding bisexuality, namely incongruence between sexual identity and emotional preference, sexual behaviour and sexual fantasy. Tolerance of ambiguity and social conservatism both demonstrated significant but weak correlations with aspects of attitudes regarding bisexuality, in line with similar studies linking the two to homophobia and biphobia. Social conservatism was also shown to be the strongest independent contributor towards attitudes regarding bisexuality, with tolerance of ambiguity ranking thereafter. Beyond the original research questions, the data also seemed to demonstrate a tendency for people who have personal experiences with bisexuality to display less negative attitudes regarding bisexuality. Some indication of a racial difference in attitudes regarding bisexuality, as white students were shown to be statistically more likely to hold more positive attitudes towards bisexuality. / GR2017

Thesis (M.A.)--Ohio University, June, 2005. / Title from PDF t.p. Includes bibliographical references (p. 162-168)

Thesis (M.S.)--Eastern Illinois University, 2010. / Includes bibliographical references (leaves 49-51).

The ultrastructure of the vegetative hyphae and of asexual and sexual reproductive stages of Achlya bisexualis Coker and Couch is studied and is compared with that of other Oomycetes. Also considered are possible structural mechanisms of cellular growth, septation, zoosporogenesis and sexual reproduction. The vegetative hyphae are characterized by an apical growing zone, a sub-apical mitochondrial zone and a distal multi-organelle zone. The apical growing zone contains numerous vesicles, usually to the exclusion of other organelles and inclusions. The sub-apical zone consists of morphologically similar vesicles, but mitochondria and microbodies are abundant in its central protoplasm. The distal multi-organel1e zone is characterized by a variety of organelles and inclusions: dictyosomes, E.R., mitochondria, ribosomes, microbodies, multi-vesicular bodies, lipid droplets, nuclei and centrioles. The dictyosomes occur in association with E.R. and/or nuclei; centrioles appear near modified regions of nuclear envelopes; ribosomes are most abundant in protoplasm nearest actively growing regions; and lipid droplets accumulate in older areas. Liposomes also become evident as hyphal differentiation occurs, and vacuolation of the protoplasm is common. The walls of the vegetative hyphae are composed of a two phase system in which fibrils are embedded in an amorphous matrix. They also are often characterized by pockets of electron dense granular and vesicular material which form during apposition deposition of wall constituents. The gemmae possess the same variety of organelles and inclusions as observed in vegetative hyphae. However, their protoplasm is more dense and zones of morphological organization are not apparent. The walls are extremely thick. The zoosporangia appear as terminal regions of vegetative hyphae which have become delimited from subtending protoplasm by septa. They each usually develop a single apical papilla through which primary zoospore initials escape. The initials are formed by the cleavage of the protoplasm - a process effected by numerous structural changes. There is the development of parastrasomes; nuclei become pyriform and equidistantly spaced from each other and from the sporangial wall; pairs of centrioles differentiate into basal bodies; basal bodies give rise to short axonemes which extend into expanding axonemal vesicles; and, other organelles and inclusions become oriented about the nuclei - the cleavage vesicles particularly becoming aligned and fusing in planes about each of these aggregated masses of protoplasm to form zoospore initials. Encysted primary zoospores differentiate from the initials and characteristic Saprolegniales biflagellate secondary zoospores develop from the primary zoospore protoplasts. The flagellate apparatus in each zoospore is connected with the outer membrane of the nuclear envelope and it consists of an axoneme, basal body and rootlets. The rootlets are thought to be formed, directly or indirectly, by parastrasomes. The gametangia are morphologically distinct from each other. Antheridia are thin-walled and possess a similar pattern of structural organization to that of vegetative hyphae. Their mitochondria mostly appear as rods with terminal or sub-terminal invaginations; liposomes are seldom present in their protoplasm. The oogonia are globose cells and their protoplasm consists predominantly of liposomes and lipid droplets. The nuclei in both antheridia and oogonia divide meiotically. / Science, Faculty of / Botany, Department of / Graduate

Thesis (Ph. D.)--Ohio State University, 2006. / Title from first page of PDF file. Includes bibliographical references (p. 144-148).

Thesis (M. Ed.)--Acadia University, 1998. / Includes bibliographical references. Also available on the Internet via the World Wide Web.

Thesis (M. Ed.)--Acadia University, 1998. / Includes bibliographical references. Also available on the Internet via the World Wide Web.

Abstract not available

Thesis (Ph. D.)--University of Missouri-Columbia, 2003. / Typescript. Vita. Includes bibliographical references (leaves 138-148). Also available on the Internet.

Thesis (Ph. D.)--University of Missouri-Columbia, 2003. / Typescript. Vita. Includes bibliographical references (leaves 138-148). Also available on the Internet.