ABSTRACT Lipase is an enzyme that can hydrolyze fat into fatty acids and glycerol. Lipase enzymes are widely needed in the fields of health, industry and biotechnology, but their availability is still low and expensive. One alternative in producing lipase is using microorganisms, namely bacteria. Lipase-producing bacteria can be found in various habitats such as industrial waste, vegetable oil…
ABSTRACT Hippobroma longiflora (L.) G. Don or Kitolod is a weed that used as traditional medicine. The content of secondary metabolites in kitolod leaves and flowers can be use for antibacterial. Identification of metabolites at the tissue level and the area of pharmacological metabolite synthesis can be carried out by histochemical tests. The purpose of this study was to determine microscopic…
ABSTRACT Mangroves is one important ecosystems for coastal areas, in Pangkalan Sesai Dumai Village. Excessive use by the community or disturbances caused by nature factors can threaten the existence of mangrove forests. This study aimed to analyze the structure mangrove community and the level of vulnerability to mangrove degradation in the Ecotourism area of Bandar Bakau Dumai. This research …
The Covid-19 pandemic which is starting to subside has caused the government to allow several regions to reopen face-to-face activities, although on a limited basis, one of which is SMA Negeri 1 Gunung Toar. The material from the motion system before limited face-to-face learning according to the teachers had its own difficulties in bioprocess mechanisms such as the ossification process in bone…
Booklet learning media with Quick Response (QR) Code is a medium that can be used by students for independent learning that is packaged in a simple and attractive way. This study aims to produce a Booklet with Quick Response (QR) Code as a learning medium for class XI SMA on motion system material. This research was conducted at the Biology Education Campus, Department of Mathematics and Na…
Education is a process and way of educating to develop one's potential to have religious spiritual strength, self-control, personality, intelligence, noble character, and skills of character and quality in an atmosphere of an active learning process. Education is a learning activity that determines the success of achieving student learning outcomes in class. So, to achieve learning goals by…
The 21st century is also known as the era of science and communication. To face the challenges of the 21st century, quality human resources are needed, namely through education. The 21st century competency in education in Indonesia is through the establishment of the 2013 curriculum. However, due to the COVID-19 pandemic, the government has implemented blended learning so that interaction betwe…
A learning process is said to be good, if the learning process can generate effective learning activities. In this case it needs to be realized, the problem that determines is not the method or technique when teaching in the classroom but how students succeed in gaining understanding during the procedure. Teachers are accustomed to using conventional learning media so that students tend to…
The development of Information and Communication Technology (ICT) has encouraged progress in the field of education. Progress in the field of education is one of them in the form of electronic learning media that can help students in the learning process online or through e-learning. E-learning learning media are used as teaching aids or supporting facilities in carrying out the learning pr…
The development of science has an impact on the progress of education both on the education system such as curriculum, schools, teachers and also on student learning patterns. As time goes by, all components of education adjust the patterns that develop for the implementation of the educational process and the achievement of educational goals. The post-covid-19 transition era requires educ…
Education is currently developing rapidly and requires maximum effort to achieve educational goals, as well as improve the quality of education. The achievement of educational goals can be achieved closely related to the learning process that takes place in schools. Learning that is equipped with teaching materials, teaching media, and other learning resources greatly influences the achiev…
vii ABSTRACT Lipolytic bacteria are bacteria that produce lipase enzymes to hydrolyze fats into fatty acids and glycerol. Lipolytic bacteria can be found in oil-contaminated habitats such as palm oil mill effluent. One of the applications of lipase enzymes is as biodetergents formulation that are environmentally friendly. This research aims to obtain potential lipolytic bacteria isolates from…
viii ABSTRACT Theuseofantibioticsforinfectionstreatmentinthelongtermmaycausebacteria becomeresistant.Explorationofmicroorganismscapabletoproduceantimicrobial compoundshavewidelybeenreported.Oneofwhichisactinomycetes,agrampositivebacteriathatproducevarioussecondarymetabolites. Thepurposeofthis studywastotestandselecttheabilityof20isolatesofactinomycetes(14isolates from therhizosphereofthe…
Abstract: This study aims to produce an electronic poster design for biology class X high school subjects on mushrooms. The research was conducted in June – November 2021 at the Laboratory of PMIPA FKIP, Riau University. The design of this electronic poster refers to the ADDIE development model which in this research was carried out to the development stage. At the analysis stage, an analysis…
The development of science and technology has brought society into the global era. Each individual is required to be able to develop his ability to compete at the international level. One of the government's efforts to obtain human resources in order to compete in the global era is to make efforts to improve the quality of education. The development of teaching materials has been carried ou…
ABSTRACT Bamboo is a non-timber forest product that is widely used by the community. Bamboo plays a role in the hydrological system and soil stability, especially in areas with high slopes, such as Pangkalan Koto Baru District, Lima Puluh Kota Regency, West Sumatra Province. The strategic role of bamboo has not been supported by data on the existence of bamboo. The purpose of this study w…
This study aims to determine the fertility level of Dumai coastal waters with chlorophyll-a concentration indicators and to form an e-poster design using the result data on environmental changes in biology subjects for high school students in class X. This research was carried out in the coastal waters of Dumai and at the Laboratory of Fishery Products Technology, Faculty of Fisheries and Marin…
The planning carried out by the teacher is compiling an electronic biology module. The electronic modules that are arranged are electronic modules that can make the learning process run well. Teachers must provide opportunities for students to play an active and creative role in exploring abilities in each learning process, so as to create a good learning process. One alternative that educators…
Ecology is one of the compulsory Expertise Courses whose Graduate Learning Outcomes (CPL) have not been adjusted to the 2020 curriculum based on Outcome Based Education (OBE) in the Biology Education Study Program, University of Riau. 21st century learning requires increasing scientific literacy so that students have good competencies. One of the ecological materials is the concept of community…
This study aims to determine the effect of giving tofu dregs on the growth of African catfish (Clarias gariepinus) as an e-poster on animal growth and development materials. This research was conducted in August-September 2021 at the Natural Laboratory of Biology Education FKIP Riau University. This study used 2 stages, namely Research Phase I the effect of giving tofu dregs on the growth of Af…