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All Journal Bioscientist : Jurnal Ilmiah Biologi
Rafiqah
Universitas Tadulako
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences

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Persepsi Remaja Tentang Pendidikan Seksual Pranikah di SMAN 1 Kasimbar Cici Magfira Aj. Masauda; Bustamin; Rafiqah; Abd Rauf; Mursito S. Bialangi; Moh. Sabran
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.18266

Abstract

This study aims to describe adolescents' perceptions of premarital sex education at SMA Negeri 1 Kasimbar. This research uses a descriptive quantitative research method. The population in this study consisted of 416 students. The sample in this study consisted of 104 students, selected using stratified random sampling from grades X, XI, and XII at SMA Negeri 1 Kasimbar. The research instruments used were observation, interviews, questionnaires, and documentation. The instrument test results were declared valid and reliable. The research results indicate that adolescents' perceptions of premarital sexual education are, overall, in the very good category, with 89 students (85.6%) falling into the very good category, 14 students (13.5%) in the good category, and only 1 student (1.0%) in the sufficient category. The overall average score reached 3.53 on a four-point Likert scale. The aspect of parental role received the highest score with an average of 3.61, followed by attitudes at 3.58, information media at 3.55, school involvement at 3.48, and knowledge at 3.45. Thus, it can be concluded that adolescents are beginning to have a high awareness of the importance of correct and responsible understanding of sexuality. Therefore, sexual education needs to be integrated into Biology lessons at school to strengthen adolescents' knowledge and positive attitudes towards reproductive health.
Protein Content Analysis of the Giant Mottled Eel (Anguilla marmorata) from Lake Talaga and Its Development as a Flipbook Learning Medium Misbahun Syudur; Fatmah Dhafir; Abdul Ashari; Masrianih; Rafiqah; Manap Trianto
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 3 (2026): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i3.21024

Abstract

This study aimed to analyze the protein content of Anguilla marmorata collected from Lake Talaga, Dampelas District, Donggala Regency, and to explore its potential for development as a learning medium. A descriptive quantitative approach was employed. Protein content was determined using the Biuret method coupled with UV–Vis spectrophotometry, with Bovine Serum Albumin (BSA) used as the standard. The protein contents obtained from three replicate measurements were 19.61%, 19.37%, and 20.43%, respectively, with a mean value of 19.80% and a range of 19.37–20.43%. These results indicate that the analyzed A. marmorata sample had a relatively high protein content, with consistent values across replicate measurements. The feasibility assessment of the developed flipbook yielded an overall mean score of 87.85%, corresponding to the “highly feasible” category. The content expert, media expert, and design expert assessments were 92.5%, 78.5%, and 88.0%, respectively, while the student response score was 92.4%. Overall, this study provides preliminary information on the protein content of A. marmorata from Lake Talaga and demonstrates the potential of the research findings to be integrated into a flipbook as a contextual learning resource for biology and nutrition-related topics.
Co-Authors Abd Rauf Abdul Ashari Bustamin Cici Magfira Aj. Masauda Fatmah Dhafir Manap Trianto Masrianih Misbahun Syudur Mursito S. Bialangi