Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
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Gambaran Diferensiasi Sel Darah Putih Tikus (Ratitus norvegicus) Betina Pada Starvasi
Get PDFStarvation causes food and liquid deficit that needed by body. Percentage differential leukocyte count includes neutrophil, eosinophil, basophil, limphosit and monosit will give indication towards infection reaction. The aim of this research is to detect influence starvation of the description differential leukocyte count in adult female rat during certain range of time. The experimental method used in this research is Randomized complete design with 3 blocks of treatments and 3 times repetition. The block of treatments are control (K), fasting eat rats (PMK), fasting drink rats (PMN). The data of percentage differential leukocyte count is analyzed by Analysis of Variance (ANOVA) and then continued by Duncan Multiple Range Test at 95% confidence interval (5% significance level). The result showed that statistically insignificant percentage of limphosit, neutrophil, and monosit in PMK and PMN bloks when compared with control, and basophil was not found. While, treatment PMK and PMN in 18 hours treatment, 42 hours treatment, and 66 hours treatment increase percentage eosinophil
EFEKTIVITAS PENGOLAHAN LIMBAH CAIR DALAM MENURUNKAN KADAR FENOL DI RUMAH SAKIT UMUM DAERAH dr. ZAINOEL ABIDIN (RSUDZA) BANDA ACEH
Get PDFThe aims of this research were to determine the effectiveness of waste water processing inreducing content of phenol in RSUDZA. Research was conducted from June to September 2009.This research used 2 locations sampling which consist the tub before processing (inlet) and afterprocessing (outlet), then data taken in 10 repetition consecutive days. The observed parameterware phenol content and parameter like pH, BOD (Biochemical Oxygen Demand), COD(Chemical Oxygen Demand) dan TSS (Total Suspendid Solid) content. Data were analyzed byusing paired t test (P0,05). The result show that fenol content were significant different beforeand after the processing. Phenol content decreased from 32% to 96.4%. Phenol content (0.020mg/L) outlet had fulfilled the quality standard already established. These refer as judged effectivevalues the pH parameters show that there were increasing. The result also show that not onlyphenol content decrease but also BOD, COD and TSS content
Pengaruh Model Perkuliahan Genetika di Jurusan Biologi FMIPA UM terhadap Kemampuan Metakognisi Mahasiswa
Get PDFThe aim of this study is to determine the impact of lecture model of Genetics towards students metacognition skills based on class category, basic academic skill, and types of subjects. This study was conducted at FMIPA Biology department of UM involving students in education class and non-education class for 2 semester. The instruments used in the research were observation sheets of Genetics lecture, metacognition awareness inventory (MAI), and documents of observation sheet. Anakova with Least Significant Difference (LSD) was used to analyse the data. The result showed that the steps in the lecture model of Genetics comprising instucting reading assessment related to lecture material, composing summary of reading material, setting questions and the answers, and having presentation and discussion. Project-based practical work and classic practical work were used in practical work assessment. Evaluation tools was used based on average score of paper and pencil test and alternative assessment. Students metacognition skills were not influenced by class factor (education and non-education, basic academic skill [high or low], and types of Genetics subjects [Genetics I and Genetics II)
Potensi Antibakteri Beberapa Tumbuhan Obat Tradisional
Get PDFThe research of antibacterial ability from Anacardium occidentale (Anacardiaceae), Lawsonia inermis (Lythraceae), Averrhoa bilimbi, Averrhoa carambola (Oxalidaceae), Capsicum frutescens and Solanum torvum (Solanaceae) to Escherichia coli ATCC 25922 and Staphylococcus aureus ATCC 29213 was done from Mei until November 2010 at Microbiology laboratory, Natural Science, Syiah Kuala University. Leave and barks extracts of plant was soluted using n-Hexane solution. Antibacterial activities was tested by using diffusion method with each concentrations 10%, 20%, and 30%. The result showed that plants leaves and barks had ability to inhibit the growth of Staphylococcus aureus ATCC 29213. The largest of inhibition zone was formed by L. inermis leaves extract in 6 mm. Meanwhile C. frutescens barks extract was showed inhibition zone in 5 mm
Komposisi dan Keanekaragaman Tumbuhan Bawah pada Tegakan Akasia di Taman Nasional Baluran Jawa Timur
Get PDFThe research was done in Baluran National Park, Banyuwangi East Java in April to June 2004. The objectives of this research are to determine species composition, importance value of species, diversity index and evenness index, similarity index, distribution pattern of species, and species association. This research used quadratic method. The determination of the species distribution was calculated using Poisson distribution formula. The determination of association was calculated using contingency table and classification of community using similarity index formula and cluster analysis. The results of this research indicated that, there were 63 species of plants including 18 family. The importance value was between 0, 97-42,58 and species with high and medium importance value are Brachiaria reptans, Tespesisa lanpas, Oplismenus burmanii, Dichantium coricosum, Axonopus compressus, and Synedrella nudiflora. The diversity index was between 1, 1504-2, 7556 and evenness index was between 1, 1067-1, 7854. The distribution pattern of species indicated that 16 species were distributed in a clumped, 5 species were in a reguler, and 4 species were at random distribution pattern. The grass-group tend to have a clumped distribution pattern, and non-grass-group tend to have a reguler or random distribution pattern. The determine association indicated that 6 species had very high association index :: Brachiaria reptans, Dichantium coricosum, Tespesia lanpas, Achyrantes aspera, Stachytarpeta indica, Axonopus compressus and Oplismenus burmanii. The result of classification community indicated that savanna Baluran National Park can be devided three group (a). Open savanna no A. nilotica stand, (b). Savanna with density of A. nilotica stand 1500-3000 individuals/ha, and (c). savanna with dense A. nilotica stand 3000 individuals/ha
Penggunaan Sistem Informasi Geografis (SIG) dalam Mengestimasi Daya Dukung Habitat Gajah Sumatera (Elephas maximus sumatranus Temminck) Sebagai Salah Satu Alternatif Solusi Konflik dengan Lahan Pertanian
Get PDFHuman elephant conflict surrounding agriculture and forest became higher a long year. The fenomena cannot be solved until now. We proposed new technigue, Geographic Information System (GIS) for solving the problem mainly in agriculture area. The aim of this research for estimating habitat carrying capacity of Sumatran elephant habitat (Elephas maximus sumatranus Temminck) using Geographic Information System. Habitat and animal parameter estimated consist of biotic and abiotic factors. The factors analized suitability analysis using software Autocad Map 2000 and Arcview 3.1. this research result showed habitat carrying capacity in secondary forest (wet season :0,890,11 s.d 0,960,12 elephant/km; dry:0,550,07 s.d 0,59 0,08 elephant/km) higher than primary forest (wet season: 0,200,02 to 0,260,05 elephant/km dry: 0,090,01 s.d 0,110,02 ind/km). Based on suitability analysis estimated elephant carrying capacity in Tessonilo Forest in wet season (689,4551,67 to 750,05 109,14 elephants) higher than dry season (397,85 48,45 to 434,8861,51 elephants). Elephant numbers fluctuated seasonally can be used for planting time strategy in agrculture system. The estimation of habitat carrying capacity did not consider habitat use seasonally
Analisis Kinerja Mengajar Guru Perbantuan Sementara (GPS) Biologi SLTP dan SMU Se-Provinsi Nanggroe Aceh Darussalam
Get PDFThe purpose of this research is to investigate the performance of contracting Biology teachers working on preparing teaching plan and teaching learning process. The population was 54 contracting Biology teachers who were teaching at SLTP and SMU in Nanggroe Aceh Darusssalam province. The sample taken by purposive random sampling was 24 teachers. The instruments used in this study were an essay test which was used for measuring the performance of teaching plan and teaching learning process by IPKM-1 and IPKM-2. The analyzed data showed that the contracting Biology teachers working on making teaching plan and t teaching learning process stay at level enough and good. It is supported by the average score 2.53 for making teaching plan and 2.14 for teaching learning process
PENGARUH BERAT DAN LAMA WAKTU PENYEDUHAN TERHADAP KADAR KAFEIN TEH
Get PDFTea is the most consumed beverage after water and touted as a beverage rich in benefits. In addition to the benefits of tea, there are also substances contained in tea that result in less good for the body, the substance is caffeine. Amount of caffeine depending on the spesies, processing and brewing method. The research "Influence of Weight and Time Brewing on the Tea Caffeine " has been done since May to September 2012 at the Laboratory of Chemical FMIPA Unsyiah. The purpose of the research were to know the weight and time brewing on tea caffeine, and to know the weight and length of the maximum brewingon tea caffeine. The method used experimental design with Completely Randomized Design (CRD) 3 x 3 factorial pattern with three times replication. Two factors examined were heavy tea and tea brewing time. The weight was three level (tea weight 1 g, 2 g, and 3 g) and length of brewing also consists of three level (3 minutes, 6 minutes, and 9 minutes). Data was analyzed by ANOVA test followed by Duncan test. The results show that heavy tea was significant effect on the rate of caffeine, while time brewing was not significant. Similarly, the interaction between heavy with tea brewing time was not significant. The maximum weight and length of brewing were 3 grams and 9 minutes, which is 29,3214 mg (w/w)
BIOPROSPECTING SOIL ACTINOMYCETES: ISOLATION AND ANTIBACTERIAL ASSAY
Get PDFSearching for novel bioactive compounds of microorganisms is increasing. Actinomycetes are a group of bacteria that have potential as a major producer of bioactive compounds. This study aimed to isolate and evaluate the isolates of actinomycetes collected from soil. This research was carried out in three stages, namely the field sampling, isolation of actinomycetes, screening the potential as a producer of bioactive compounds (antimicrobials). A total of 11 isolates of actinomycetes have been isolated in this study. The isolates varied in morphological characteristics. The antibacterial evaluation showed that nine isolates (81.8%) that were able to inhibit either the test organism. Three isolates of ACT-04, ACT-05, ACT-06 and ACT-11 were capable of inhibiting both bacterial targets
PENGARUH TEGAKAN AKASIA (Acacia nilotica) (L.) Willd. ex. Del. TERHADAP KOMPOSISI DAN KEANEKARAGAMAN TUMBUHAN BAWAH DI SAVANA BALANAN TAMAN NASIONAL BALURAN JAWA TIMUR
Get PDFThe research was done in Baluran National Park, Banyuwangi East Java in April to June 2004. The objectives of this research were: to determine of species composition, importance value of species, diversity index and evenness index, similarity index, distribution pattern of species, and species association. This research used the quadrat method. The determination of the species distribution was calculated using Poisson distribution formula and the determination of association was calculated using contingency table. The results of this research indicated that, there were 20 species of plant belong to 8 familiy. The importance value was between 0,42-59,54, and species with high importance value is Oplismenus burmanii, Axonopus compressus, and Synedrella nudiflora. The diversity index was between 1,3329-2,5271, and evenness index was between 1,5364-1,9848. The distribution pattern of species indicated that 12 species were clumped, 6 species reguler, and 2 species were at random. The multi-plants tend to have a clumped distribution pattern, and single plant tend to have a reguler or random distribution pattern. The of association indicated that 2 species assosiation which the highest inde