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Proteolytic Enzymes Of Lactic Streptococci And Their Use In Improving Body And Texture Of Direct Acid Cottage Cheese, Gulamnabi Y. Vahora

Biology

Proteolytic activity of Streptococcus cremoris HP, P₂ and AM₂; Strept-ococcus lactis-C₂, ML₈ and a commercial mixed culture was determined in skimmilk and whey by measuring the increase in Absorbancy at 274.5 nm of a pH 4.6 soluble filtrate, following incubation in a 2.5% casein solution. Proteolytic activity, rate of acid production and growth rate decreased in order of C₂, HP, mixed culture, AM₂, ML₈ and P₂ at a regulated pH (6.1 - 6.2) and 32 C. Maximum proteolytic activity for all cultures was found during the stationary …

The Effect Of Salt Concentration, Aqueous Activity And Temperature On The Growth Of Three Bacteria, Girish C. Chokshi

Biology

The requirement of bacteria for water increases when temperature of growth deviates from the organism's optimum growth temperature. A psychrophilic organism was isolated from a meat sample stored at refrigerator temperature and shown to have an optimum temperature 17 C. Partial identification of the unknown meat isolate was also carried out using morphological and biochemical characteristics. A comparative study was carried out using a mesophile Staphylococcus aureus and a thermophile Bacillus stearothermophillus for requirements of free water at different temperature ranges. The organisms were grown in media of varying salt concentration at a wide range of growth temperatures (the meat …

Procedure For Identifying Emotionally Disturbed Freshmen At Utah State University: A Study And Recommendation, Carl D. Allen

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

The encouragement of individual self-improvement and enlightenment through the process of a formal education is basic to the social system of our nation. College and university administrators are therefore faced with a practical exigency for understanding those factors that are associated with academic achievement. (During the past several years there has been increasing evidence that college achievement is dependent upon something more than intellectual ability. From experience, the average counselor in a college or university has become aware of this fact time and time again. Some studies have gone further and suggested specific personality characteristics of successful and unsuccessful students. …

Utilization Of Shorthand Skill By Manpower Development And Training Act Graduates From Utah State University For The Years 1968 Through 1971, Janice W. Hobbs

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

Vocational education is not a separate discipline within education, but it is a basic objective of all education and must b e a basic element of each person's education. The common objective should be a successful life in which employment has a crucial role.

It is the responsibility of the school and of the instructor to provide the student with the high quality vocational education that will enable that student to have a successful life by securing a good initial job adapting himself to that vocation.

What yardstick should one invoke to determine if the objective of a successful life …

Modification Of Ontogenic Expression Due To Relocation Of The Ry+ Gene In Drosophila Melanogaster, Allen A. Badgett Jr.

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The ry⁺ gene of Drosophila melanogaster and its associated enzyme, xanthine dehydrogenase, were employed in an analysis of the relationship between regulation and the location of a gene in the genome. Enzyme assays as an indication of gene activity were performed on genotypes containing zero, one and two doses of ry⁺ genes. Xanthine dehydrogenase activity of rosy genes in normal and relocated positions was determined during development.

The results indicate: 1) the gene ry⁺ is differentially active during ontogeny; 2) the activity during ontogeny is proportional to the number of ry⁺ genes present in the genome; …

A Study Of The Traditional Grazing System Of The Nomadic Rezeigat In Darfur Province Of The Sudan, Moustafa Ahmed Rahama

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

The Sudan is a country of Africa of nearly 1 million square miles (Fig. 1) with a population of 16 million people and lying between 3 and 21° latitude. In the tropical climate over 100°F can be recorded during any month of the year.

Nutritional Anemias In Selected Countries, Wun-Yuan Mei

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

Blood is a constantly changing, highly complex tissue which is concerned with the transport of cell nutrients, the elimination of wastes, and the maintenance of chemical equilibrium. The mature red blood cell takes about seven and half days to develop, then has a life cycle of 120 days. Many factors are involved in this complicated process. Many nutrients are required for the frame-work of the red blood cells and in the hemoglobin within these cells.

Anemia is a condition in which there is a reduction in the total circulating hemoglobin. Anemias may be described biochemically in terms of lowered hemoglobin …

Absorption, Translocation And Metabolism Of 1,3-Dichloropropene In Selected Plants, David L. Berry

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The absorption, translocation and metabolism of 1,3-dichloropropene (a soil fumigant) in bush beans, tomato and carrot was studied under growth chamber and greenhouse conditions using solution culture, vermiculite and sand. Absorption was monitored using gas chromatographic analysis and isotope techniques. Plants were shown to absorb a maximum amount of dichloropropene by 24 to 48 hr from solution culture and vermiculite. The plant absorbed and translocated 1,3-dichlorpropene-¹⁴C-U readily to aerial parts of the plant.

Bush beans, tomatoes and carrots absorbed and translocated 3-chlorallyl alcohol-¹⁴C-U from solution culture and vermiculite. Levels of 3-chloroallyl alcohol reached maximum at 24 …

Noise Pollution As A Potential Safety And Health Hazard Within Selected Utah Industrial Education Laboratory Facilities, Carol E. Hicks

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The major purpose of this study was to investigate the existing noise conditions within industrial education woodworking and metalworking laboratories to determine whether these noise conditions were a problem as seen by the instructors and if in fact these noise conditions exceeded the standards set by the Occupational Safety and Health Act (OSHA). The study was conducted in three phases: (1) the assessment of the opinions of professional industrial educators towards noise as a pollutant; (2) an electronic instrument measurement of the actual noise exposure conditions that existed in a sampling of laboratories; and (3) the comparison between the opinions …

Labor Force Projections For The State Of Utah, 1970-2000, Craig R. Lundahl

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This study deals with labor force projections for the State of Utah, counties and multi-county areas, by age and sex for the years 1980, 1990, and 2000, using the technique of cohort analysis for long-range labor force projections. The study also examines some social and economic implications of labor force projections for Utah.

The labor force projections were derived from the age and sex population projections being prepared for the State of Utah and Utah counties by Yun Kim and Therel R. Black, Utah State University.

In order to project the future labor force of Utah, an analysis of historic …

A Correlation Study Between The Shipley-Hartford Test Of Mental Maturity And The Minnesota Multiphasic Personality Inventory, Richard Roy Speechly

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The Minnesota Multiphasic Personality Inventory (MMPI) has been v recognized as a helpful tool to the psychologist in identifying abnormal characteristics (Leverenz, 1956; Modlin, 1956; Hathaway and Mckinley, 1967; Hock, 1970). Likewise the Shipley-Institute of Living Scale for Measuring Intellectual Impairment (S-H) has also been recognized as a helpful tool in identifying emotional impairment (Pollack, 1942; Halstead, 1943; Fleming, 1943; Wright, 1946; Garfield and Fey, 1948; Lewinsohn, 1963) . Despite the research which suggests both tests are capable of helpful diagnosis in the general area of psychological impairment (Welch, 1956; Lewinsohn, 1963), little if any work has been done examining …

Economics Of Carry-Over Production And Increased Grazing Season Length Due To Range Fertilization, Paul W. Mccormick

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This paper entails the economic and biological interpretation of the response of rangeland grasses to nitrogen fertilization. Six sites throughout Utah received graduated rates of fertilizer. The coefficients of the production function
Y = a + bN - cN²
were identified.

An initial production and a carry-over response were identified on sites receiving greater than ten inches of annual precipitation. Optimum fertilization rates may be identified by equating the marginal physical product to the ratio of the price of nitrogen to the price of the forage.

Forage response to nitrogen is reflected strongly in the early growth response in …

Mercury, Dieldrin, Ddt, Dde, And Pcb Levels In Tissues From Fish And Wildlife In Utah, Fred A. Smith

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Fish and wildlife were randomly sampled in Utah from pre-selected x areas and analyzed for levels of total mercury, dieldrin, DDT, and DDE. Levels were well within consumptive tolerance or guideline limits except for mercury levels of fish in Willard Bay Reservoir. PCB's were also identified in a large proportion of samples.

None of the chukars, 6 percent of the pheasants, 4 percent of the waterfowl, and none of the fish sampled, excluding Willard Bay Reservoir, were above the 0.5 ppm guideline level for mercury established by the Food and Drug Administration. Seventy-seven percent of the fish sampled from Willard …

Mitochondrial Activity Of Hardened And Nonhardened Rye (Secale Cereale) Plants Exposed To Freezing Temperatures, Bryce D. Bennett

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Five day old dark-grown seedlings of Secale cereale variety "cougar" grown at 20 C were subjected to hardening at 2 C in daily increments from 0 to 7 days, to temperature stress at -5 C for 0, 1, and 3 days, and to recovery at 20 C for 0, 1, and 3 days. Unhardened plants were killed by temperature stress but as the time of hardening increased fewer plants were killed. After 5 days of hardening all plants survived subsequent freezing stress.

Mitochondria were isolated from the plants after they received various combinations of the three temperature treatments. There were …

An Evaluation Of Land Use Planning Workshops Held In Utah During 1973, Andrew C. Germanow

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

During 1973 a series of land use planning workshops for local officials and interested citizens was held in the multi-county planning districts of the state of Utah. The workshops were based on a planning process which had been used in Wasatch County, Utah, to develop the Heber Valley Plan. The emphasis of this process and of the workshops was the involvement of the citizens of the community in the planning process and the use of natural resource information as an additional basis for making planning decisions.

The evaluation includes a description of significant results of the Heber Valley Plan, events …

Factors Associated With Marital Adjustment Of Young Mormon Married College Students, Ronald Shill Jones

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The study compared the marital adjustment scores of young college student Mormon temple and nontemple couples. Marital adjustment scores of temple couples were significantly higher than they were for nontemple couples. Responses of 20 temple and 20 nontemple couples were analyzed controlling for age, length of marriage, income, number of children, and education. The mean marital adjustment scores did not vary significantly when each control variable was analyzed in terms of its effect on marital adjustment for temple and nontemple couples. Nontemple husbands and wives were affected differently by the various control variables.

Male and female nontemple marital adjustment scores …

Concept Development Among Kindergarten Children, Craig Boswell

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This thesis examined the basic developmental concepts , space, quantity, time, miscellaneous, as they related to family size, sex, and rural-urban environment among kindergarten children.

The Boehm Test of Basic Concepts was individually administered to 53 students from two kindergarten classes--one from Ogden City School District and one from Cache County School District.

The findings indicated that family size, sex of the child, or urban-rural environment produced no significant differences in concept development among kindergarten children.

Gains In Reading Performances By Urban Job Corpsmen, Jess F. Veasey

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The problem to be investigated in this study was to examine the association between the educational training program of an Urban Job Corps Center and the reading performances of trainees from disadvantaged backgrounds.

A sample of 100 trainees was randomly selected to represent the total population of Job Corpsmen in an urban center. The Job Corps Center in Clearfield, Utah, was the initial site in this study. The sample selected from the Job Corps was from four racial-ethnic groups: Blacks, Puerto Ricans, Whites, and Mexican-Americans. Each trainee was given a reading test upon arrival and another test six months after …

The Unwed Father As Perceived By Himself, Daryl E. Ellis

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This study was designed to reveal the self perception of unwed fathers. Ten men participated in the project; nine of them were 25 years of age or younger. To measure self perception an instrument was constructed in the form of a questionnaire. Each unwed father was then interviewed to discover his perceptions, particularly as they relate to their common plight of unwed fatherhood.

The men perceived themselves as normal young Americans, and felt their conduct and intentions were in compliance with peer expectations. Some of the subjects responded to the interview with descriptive and detailed accounts while others were either …

Ice Nuclei Inventory: Wasatch Weather Modification Experimental Area, William F. Slusser

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Several large sources of ice nuclei were identified for the Wasatch Weather Modification Experimental Area. When stable air masses remained over the area for several days, ice nuclei concentrations as large as 1750 per liter (measured at -20 C) were found at the surface. Concentrations as large as 6000 per liter were measured with an airborne ice nuclei counter over the smelter industry of the Salt Lake Valley. Ice nuclei concentrations during storm periods were usually less than 3 per liter, indicating an excellent potential for increasing precipitation amounts over the Wasatch Mountains through the release of artificial ice nuclei. …

The Reported Political Beliefs And Levels Of Political Participation Of Utah Educators, Richard Theisen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this thesis was to explore the political beliefs and extent of political participation of secondary and elementary teachers in the state of Utah. The relationship of sense of political efficacy and political participation for teachers as citizens and teachers as members of the teaching profession was investigated. The correlation of teacher as citizen political participation with teacher as professional political participation was also examined. Indexes measuring the teacher's sense of political efficacy, political participation, and extent to which they felt political behavior was professionally ethical were used. The data was gathered through personal interviews with a systematic …

Potato Variety Trial As A Step Of A Potato Breeding Program, Gonzalo Claure-Vallejo

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A potato varietal trial, the equivalent of the final step in a potato breeding and testing program was conducted in 1972 at the Farmington Experimental Sub-station, Farmington, Utah. The test consisted of twelve named varieties and two numbered selections.

This study measured the yielding capacity of new potato varieties and selections during one growing season at one location in Utah. Yields were compared with those of the older accepted varieties grown in the state and used as control or standard varieties in the varietal trial.

This study provided valuable information for growers and processors in determining the suitability of these …

Primary Production In A Cache Valley, Utah Farm Pond, J. Kent Summers

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Primary production was measured on a 9.5 acre Cache Valley, Utah farm pond from July 1971 to July 1972. Polyethylene film tubes, with lids, were used to confine columns of water for determining dissolved oxygen concentration. Once a week, dissolved oxygen samples were taken at sunset, the following sunrise and sunset. Annual primary production was estimated at 1289 grams oxygen per square meter for two of the four stations, and 927 grams oxygen per square meter for the remaining two stations.

The weekly data was computed at once a month intervals to see if it would be possible to get …

Evaluation Of The Impact Of Federal Participation On The Distribution Of Economic Activity And Population In The State Of Utah, Nureddin A. Taqieddin

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Since World War I, the federal government of the U.S. has played an increasingly important role in social and economic functions of the American society. Whether by direct employment or through indirect payments to private and public parties, federal programs have an unquestionable impact on the distribution of economic activity among various regions of the U.S. This impact varies directly with the relative magnitude of federal participation in total economic activity of any region.

In certain areas, federal employment reflects the greatest portion of total federal activity. Where this is true, the impact of federal employment on the distribution of …

A Comparison Of Conventional And Video Teaching Methods Among Beginning Swimmers At Utah State University, Herald J. Jardine

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to determine the value, if any, of utilizing the instant playback feature of television videotape replay in teaching the front crawl and elementary backstroke to beginning swimmers at Utah State University.

A review of literature revealed controversy as to the usefulness of the VTR media in teaching selected motor skills.

Subjects consisted of 30 male freshmen and sophomore college students placed into two groups: experimental and control, on the basis of their individual scores on pre-instruction skill testing. The subjects participated in 12 instructional periods of 40-50 minutes. The control group received instruction by …

A Comparison Of The Heart Rates And Workload Levels Of Selected Male Freshman Basketball Players At Utah State University During Actual Game Competition, C. David Leo

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to determine the effects of physical exertion upon the heart rates and workload levels of five selected male freshman basketball players at Utah State University during actual game competition.

One hour prior to each of the ten home basketball games, two E&M Surface Electrodes were mounted to the chest of the test subject with disposable double-sided adhesive washers. A biotelemetry transmitter, used for sending electrical signals from the player to a biotelemetry receive r and polygraph, was placed in a plastic sack and taped to the beltline of the subjects athletic supporter. The telemetry …

The Impact Of Access Roads On Spontaneous Colonization Chane-Piray Area Department Of Santa Cruz Bolivia, Thomas C. Royden

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to investigate the impact of access roads on the process of spontaneous colonization of virgin forest land in the tropical lowlands of Bolivia. An access road in the Department of Santa Cruz serving an area opened up by spontaneous colonization was studied. The interpretation of aerial photographs and data collected in the area were used to illustrate the importance of access roads for successful spontaneous colonization. General conclusions were drawn with regard to the role that spontaneous colonization as a dynamic force was playing in the development of Bolivia's tropical lowlands.

Team Rules And Regulations Used By Football And Basketball Coaches In Utah High Schools, Robert Kent Molgard

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to gather and analyze information concerning the establishment and administration of specific team rules and regulations used by the football and basketball coaches in Utah High schools.

Sub-objectives of this study were: (a) to compare the opinions of coaches according to school classification - class AA, class A, and class B; (b) to compare the opinions of less experienced coaches with those of more experienced coaches; (c) to compare the opinions of basketball coaches with those of football coaches.

One-hundred and thirty-nine coaches responded to a questionnaire that included statements asking for information concerning …

State Expenditures In Utah: An Analysis Of Time-Series Models, William Darrell Lewis

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this paper was to determine the economic, sociopolitical, and other related factors which account for the variation in state expenditures across time. Utah was selected as the test state and data were collected from school records, political rosters, employment statistics, and a variety of federal government documents. Particular emphasis was placed on three areas: the cause-effect relationships between variables, relating the model to a body of economic theory, and demonstrating how the model may be applied in forecasting state expenditure needs.

Supply-and-demand analysis was the underlying economic theory. A simultaneous-equation model consisting of four equations--demand for state …

A Study Of Faculty And Administrators' Perceptions Of The Factors Affecting Salary Increases At Utah State University, Izar Antonio Martinez

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this study was to determine if there were any differences in faculty members' and administrators' perceptions of those factors which should be influential and those factors which are actually accounted for in making decisions pertaining to salary increases at Utah State University.

The data for this study was collected from 55 administrators and 303 faculty members at Utah State University. A total of 21 factors, which were identified as being influential and/or determinants of faculty salary increases at Utah State University, were analyzed through the testing of four hypotheses using the chi square test for independence. The …