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All Journal BIOMA : Jurnal Biologi Makassar Biology Teaching and Learning Jurnal Biologi Tropis
Ruli, Fitha Febrilia
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Pengaruh Penerapan Model Pembelajaran Inkuiri Terbimbing Terhadap Motivasi dan Hasil Belajar Siswa pada Mata Pelajaran Biologi Kelas X SMA Negeri 3 Tana Toraja Ruli, Fitha Febrilia; Hala, Yusminah; Syamsiah, Syamsiah
Biology Teaching and Learning Vol 1, No 2 (2018): Desember
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/btl.v1i2.8182

Abstract

Abstract.  This study is a quasy experimental with pretest posttest control group design that aimed to determine the influence of guided inquiry learning on students’ motivation and learning outcome. The population of this research was all of X grade students at SMA Negeri 3 Tana Toraja in academic year 2017/2018. Sampling technic used random sampling that choosed X MIA 3 grade as experiment group and X MIA 5 grade as control group. Technic of data collecting were test and non-test method which were analysed by using anacova. The results of this study showed that students’ motivation and learning outcome who taught by implementing guided inquiry learning in high category and there is  significantly difference between students’ motivation and learning outcome who taught by implementing guided inquiry learning and direct instruction. Keywords: guided inquiry, learning motivation, learning outcome.
KHAMIR PENGHASIL LIPID YANG MEMANFAATKAN BIOMASSA LIGNOSELULOSA UNTUK PRODUKSI BIODIESEL Ruli, Fitha Febrilia
BIOMA : JURNAL BIOLOGI MAKASSAR Vol. 10 No. 2 (2025): Bioma : Juli - Desember 2025
Publisher : Department of Biology, Faculty of Mathematics and Natural Sciences, Hasanuddin University

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Abstract

Lignocellulosic biomass is an abundant and renewable carbon source with great potential for biodiesel production by oleaginous yeasts. These yeasts can accumulate high amounts of lipids when grown on lignocellulosic biomass, which primarily consists of glucose and xylose. However, the complex structure of lignocellulosic biomass requires pretreatment and hydrolysis steps to release fermentable sugars. This process often produces by-products in the form of inhibitors such as furfural, 5-hydroxymethylfurfural (HMF), and acetic acid, which can inhibit yeast growth. Therefore, oleaginous yeasts capable of simultaneously assimilating glucose and xylose and are tolerant to inhibitors, are needed to optimally utilize this substrate. This review discusses yeast species that can utilize lignocellulosic hydrolysates for growth, the types and compositions of available sugars, the mechanisms of sugar assimilation, and the impacts of inhibitors on lipid production. This review aims to provide a comprehensive understanding of the potential and challenges of using lignocellulosic biomass for biodiesel production by oleaginous yeast. Keywords: Lignocellulosic biomass, oleaginous yeast, lipid, inhibitor, biodiesel
Literature Review: The Potential of Local Alternative Feeds for Sustainable Pig Farming in Tana Toraja Ruli, Fitha Febrilia; Khalidatunnisa, Besse
Jurnal Biologi Tropis Vol. 25 No. 4a (2025): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4a.10336

Abstract

Pig farming in Tana Toraja, Indonesia, plays a crucial role in both food security and socio-cultural traditions. However, the rising cost of commercial feed poses a significant challenge for farmers, driving the need for affordable alternative feed sources. This literature review aims to evaluate the potential of locally available alternative feed sources in Tana Toraja, focusing on cassava peels, banana stems, and sweet potato leaves, to provide a sustainable and affordable solution for pig farmers in the region. The study was conducted through a systematic analysis of scientific literature to assess the nutritional composition, benefits, and limitations of these alternative feeds. The results indicate that incorporating these local resources can enhance the nutritional profile of pig feed, leading to improved average daily weight gain and feed conversion ratio. Furthermore, their utilization can promote better gut health, which supports growth performance. Nevertheless, the use of these local feeds faces various challenges, including the presence of anti-nutritional factors, high crude fiber content, and low crude protein levels, which are crucial for pig growth. Therefore, this review emphasizes the importance of using appropriate processing methods, as well as supplementing enzymes and specific compounds to optimize the nutritional value of these local feeds. This review is essential as a comprehensive reference for pig farmers in Tana Toraja to utilize local alternative feeds to overcome high feed costs while supporting environmental sustainability by utilizing agricultural waste.
Co-Authors Besse Khalidatunnisa Syamsiah, Syamsiah Yusminah Hala