Arthrobacter oxydans HAP-1 hyperproducesdl-alanine in a non-growth-associated manner. We found th... more Arthrobacter oxydans HAP-1 hyperproducesdl-alanine in a non-growth-associated manner. We found that decreased activities of pyruvate dehydrogenase and of the enzyme catalyzing NADH oxidation in the stationary phase are paralleled by a shift of pyruvate metabolism to alanine synthesis byl-alanine dehydrogenase. We propose that this enzyme functions as an electron sink even under aerobic conditions.
Anak seorang petani miskin yang hidup berpindah-pindah sejak masih berusia 7 bulan di pedalaman S... more Anak seorang petani miskin yang hidup berpindah-pindah sejak masih berusia 7 bulan di pedalaman Sulawesi Selatan berjuang menantang tingginya ombak Danau Matano menentang arus sungai yang deras dan berjalan kaki berkilo-kilo meter hingga berhasil meraih gelar profesor di bidang Ilmu Fisika melalui pencitraan Reaktor PECVD untuk pembuatan lapisaan tipis sebagai dasar pembuatan sel surya sebagai sumber energi terbarukan dan ramah lingkungan dan pengembangan Liquid Cristal Display (LCD) sebagai dasar pembuatan layar datar selanjutnya memimpin program pascasarjana (PPs) Universitas Negeri Makassar (UNM)yang saat ini masuk pada periode kedua.Sebuah kisah inspiratif perjuangan sang profesor dalam mengejar cita-cita dari pedalaman Sulsel membayar ratusan ribu langkah berpindah-pindah. Meyakini bahwa kemiskinan bukanlah penghalang untuk meraih cita-cita yang tinggi selama mau berusaha dan berjuang.xi + 272 hlm; 14 x 21 Cm
Speaking is one of important factors in communicating. Like English Speaking as a international l... more Speaking is one of important factors in communicating. Like English Speaking as a international language and student and lecturer must know how to apply it . Students need to practice after found the treatment from lecturer, face to face. But, teaching Speaking in current situation of Pandemic Covid-19, face some obstacle on it. The pandemic made as have to social distancing and online learning. This research aims to analysis the effect of Covid-19 toward L2 speaking performance which can improve speaking ability on this pandemic, even in difficult situations like learning by virtual. This research method is descriptive research. Conducted by using google form or online. The findings result of this research, was English speaking class in Pandemic Covid-19, more difficult, then normal era. Students or teacher cannot here clearly, about discussion. It was depending on signal as a technology product. Besides, students lack of vocabularies and did not know of pronounce some vocabularies.
Uploads
Papers by Rahmi Djafar