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All Journal BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Proceeding of International Conference on Biology Education, Natural Science, and Technology
Ulya Ananda Putri Febrianti
Universitas Muhammadiyah Surakarta
Biochemistry, Genetics & Molecular Biology Chemistry Education Physics

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Kekentalan Darah Tikus Putih (Rattus norvegicus) Strain Wistar Bunting yang Mengkonsumsi MSG Organik dan Sintetis Dosis 60-120 mg/kg Ulya Ananda Putri Febrianti
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol. 8 No. 1 (2025): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/bioedusains.v8i1.13156

Abstract

This study aims to determine blood viscosity in pregnant Wistar strain rats given organic MSG and synthetic MSG with dose treatment. This research is a descriptive quantitative study using an experimental method and a Completely Randomized Design (CRD) consisting of 4 treatments with 3 replications each. Groups P1 and P2 were given organic MSG, while groups P4 and P5 were given synthetic MSG. The obtained data were statistically analyzed using One-Way Analysis of Variance (ANOVA) with SPSS version 20, followed by the DMRT (Duncan’s Multiple Range Test). The results showed that the P1 group with organic MSG had an average blood clotting time of 16.39 minutes, P2 was 14.39 minutes, P4 with synthetic MSG was 7.87 minutes, and P5 was 9.33 minutes. In conclusion, the blood viscosity of pregnant Wistar strain white rats (Rattus norvegicus) after being treated with organic and synthetic MSG shows that the consumption of both types of MSG can reduce blood viscosity levels, as evidenced by the slowing of blood clotting time. The effective dose of organic and synthetic MSG consumption is 120 mg/kg. Keywords: Blood Viscosity, Pregnancy, Organic MSG, Synthetic MSG, Wistar Strain Rats
The Effectiveness of the Team Games Tournament (TGT) Cooperative Learning Model on Students' Biology Learning Outcomes in the Circulatory System: A Case Study in Class XI-2 at SMA Muhammadiyah PK Surakarta Guntur Nurcahyanto; Ulya Ananda Putri Febrianti; Dewi Lestari Mardlotillah
Proceeding of International Conference on Biology Education, Natural Science, and Technology 2026: Proceeding of International Conference on Biology Education, Natural Science, and Technology
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The biology learning outcomes of eleventh-grade (XI-2) students at SMA Muhammadiyah PK Surakarta regarding the human circulatory system remain low, with all students failing to meet the Minimum Mastery Criteria (KKM) due to a lack of active engagement. This study aims to investigate the effectiveness of the Team Games Tournament (TGT) model on students' biology learning outcomes. Employing a quantitative approach with a pre-experimental one-group pretest-posttest design, the study involved 19 students selected via purposive sampling. Data were collected using an essay test and subsequently analyzed using a paired-samples t-test, Cohen’s d effect size, and normalized gain (N-gain). The findings demonstrate that the TGT learning model significantly enhances biology learning outcomes on the circulatory system topic for this case study in class XI-2 at SMA Muhammadiyah PK Surakarta. This is evidenced by a statistically significant increase in the mean score from 27.89 at the pre-test to 75.58 at the post-test (p < .001). A Cohen’s d value of 6.83 indicates a substantial practical impact, supported by a moderate average N-gain of 0.660. In conclusion, the TGT model is highly effective in improving student learning outcomes while providing empirical evidence of successful cooperative learning within the framework of the Kurikulum Merdeka (Independent Curriculum).
Co-Authors Dewi Lestari Mardlotillah Guntur Nurcahyanto