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All Journal Jurnal Pendidikan Biologi Jurnal SOLMA Bioedusiana: Jurnal Pendidikan Biologi Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Likhitaprajna: Jurnal Ilmiah Fakultas Keguruan Ilmu Pendidikan Universitas Wisnuwardhana Malang Jurnal Promotif Preventif Afeksi: Jurnal Penelitian dan Evaluasi Pendidikan Konstruktivisme : Jurnal Pendidikan dan Pembelajaran
Dian Puspita Anggraini
Fakultas MIPA Universitas Brawijaya Jalan Veteran Malang 65145
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Health Professions Languange, Linguistic, Communication & Media Mathematics Physics Public Health Social Sciences Other

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Kelayakan Bahan Ajar Biomodif Materi Animalia untuk Siswa Kelas X SMA Isniawati, Mei Dwi; Malahayati, Eva Nurul; Anggraini, Dian Puspita
Jurnal Likhitaprajna Vol 24 No 1 (2022): April 2022
Publisher : FKIP Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/likhitaprajna.v24i1.216

Abstract

This research aim to knowing feasibility of BIOMODIF (Biologi Modul Interaktif) for class X. Research model applied is R&D (Research and Development) with survey method. The instruments utilized in this research were questionnaire. The sample of this research were 3 linguist, 3 material expert, 3 media expert and IT expert. The data analysis technique is by calculating the feasibility score with percentage range were adaptation from Sugiyono. The results of this research obtained a feasibility value of 91%, 90%, 78,8% and 92,5%, which are included within the suitable category of teaching materials. Conclusion from this study indicate that BIOMODIF is acceptable to be used for biology teaching materials of Animalia theory at class X.
Determination of Kinetic Parameters and The Effect of Ion Mg2+ Inhibition Into Pectinase Activities. Anggraini, Dian Puspita; Sulistiana, Devita; Agustina, Dwi Kameluh; Ulimaz, Almira
Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Vol. 4 No. 2 (2020): July
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/e-saintika.v4i2.170

Abstract

The purpose of study was to determine kinetic parameters and inhibitory effect of Mg2+ ions on pectinase. Activity test performed at pH 4,5 temperature 55oC for 50' with 10 mm concentrations of each ion 0-10mm. Galacturonic acid content, as product of pectin substrate hydrolysis, was used as basis for determining activity and analyzed by visible spectrophotometry. At concentrations 2 and 4 mm Mg2+ act as an activator, but at concentrations 6, 8, and 10 mM as inhibitors. The value of KM with and without inhibitors is almost same, that is 0.3145% and 0.3105% but value of Vm from both are different, that is 80,645 μg.ml-1.minute-1 and 62,112 μg.ml-1.minute-1. The conclusion that type of inhibitory pectinase with Mg2+ is a non-competitive inhibition. The inhibition constant value (Ki) is 26,84.
Co-Authors Agustina, Dwi Kameluh Almira Ulimaz Isniawati, Mei Dwi Jauharoh, Sahiba Azzahra Malahayati, Eva Malahayati, Eva Nurul Prayudhi, Luhur Aditya Sholihah, Mar'atus Sodiq, Muhammad Yusuf Fajar Sulistiana, Devita