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All Journal Biocaster : Jurnal Kajian Biologi
Veronika P. Sinta Mbia Wae
Program Studi Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Flores, Jalan Sam Ratulangi Nomor 20, Ende, Nusa Tenggara Timur 86318, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Adaptasi Sel terhadap Perubahan Lingkungan Osmotik Paulus Rudirudolof Ekaputra; Sumira Sumira; Yohana Fransiska Doi; Emanuel Ohaq; Veronika P. Sinta Mbia Wae
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.873

Abstract

This study aims to examine the mechanism of cell adaptation to hypertonic conditions through osmoregulation processes in various types of cells and organisms. The method used is a systematic literature review of 30 national and international journal articles sourced from Google Scholar and ScienceDirect databases. Articles were selected based on inclusion criteria that include topic suitability, availability of osmotic experimental data, and relevance to cellular responses. The results of the study indicate that cells adapt through the accumulation of compatible osmolytes such as proline, glycine betaine, and sorbitol to maintain intracellular water and ion balance. This response was observed in various objects, including Rhoeo discolor cells that showed optimal adaptation to 0.26 M sucrose with a decrease in plasmolysis from 85% to 36%, and Inpari rice seeds with an increase in drought tolerance of up to 50% through proline accumulation. Active osmoregulation was also found in frog erythrocytes, Lactobacillus plantarum, tiger prawns (543-610 mOsm/L), and tilapia which recorded an 80% survival rate at graded salinities. In general, increased osmoregulatory capacity significantly reduced cell damage from hypertonic stress, although the magnitude of the response varied among organisms. These findings have important implications for the development of rainfed agriculture, brackish water aquaculture management, and the selection of genotypes resistant to extreme climate change.
Kajian Etnosains Pembuatan Makanan Tradisional Lomak Daerah Manggarai Veronika P. Sinta Mbia Wae; Noviana Deam Fatima; Yustika Elviani Ndang
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.624

Abstract

This study aims to examine the ethnoscientific values contained in the process of making traditional Lomak food from the Manggarai area, East Nusa Tenggara. Lomak is one of the culinary heritage that not only has a distinctive taste, but also reflects the local knowledge of the Manggarai people, starting from the selection of ingredients, processing techniques, to food preservation efforts. This study uses a qualitative approach with data collection techniques in the form of observation, in-depth interviews, and documentation studies. The results of the study show that the process of making Lomak contains scientific principles, such as natural fermentation techniques, sustainable use of local ingredients, and traditional knowledge about sanitation and food conservation. This ethnoscience study is expected to be a source of contextual learning in science education while contributing to the preservation of local culture. The novelty of this research lies in the application of food innovation that combines aspects of business management, marketing strategy, and cultural preservation, so that it has the potential to increase the income of Lomak artisans in the Manggarai area.
Penerapan Metode Demonstrasi Uwi Kaju Kedho untuk Meningkatkan Minat Belajar Peserta Didik SMA Karitas Watuneso Filomena Enjelina Bara; Maria Waldetrudis Lidi; Veronika P. Sinta Mbia Wae
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.657

Abstract

This study aims to assess the effect of the application of the local food-based demonstration method of Uwi Kaju Kedho on the learning interest of students at SMA Karitas Watuneso. The type of research used is quasi-experimental. The design used in this study is a nonequivalent control group. The bound variable in this study is the students' learning interest, while the free variable is the demonstration method based on local food uwi kaju kedho. The population in this study is 123 students in class X, and the research sample is 48 people obtained by purposive sampling technique. The data obtained from the research sample was in the form of a questionnaire. Data analysis was carried out by t-test using the help of SPSS 25 for windows. The results of the study show that the application of local food-based demonstration methods has an effect on the learning interest of students at Karitas Watuneso High School. This can be seen from the results of the study interest questionnaire and observation. The average questionnaire score was 76.10 and the average observation score was 100. The results of the t-test supported the difference in learning interest between the control and experimental groups.
Co-Authors Emanuel Ohaq Filomena Enjelina Bara Maria Waldetrudis Lidi Noviana Deam Fatima Paulus Rudirudolof Ekaputra Sumira Sumira Yohana Fransiska Doi Yustika Elviani Ndang