This research aims to find out the effect of giving eco-enzymes on the growth and development of avocado plants (Persea americana) as well as the optimum concentration that can be given to avocado plants (Persea americana). This study was quantitative research with CRD (Completely Randomized Design as experimental design. The difference test used was ANOVA and DMRT used as...
Both teachers and students already have technology such as smartphones but have not yet used them as learning media. Therefore, the development of mobile learning media has become an inspiration. The purpose of this research and development is to create, validate, and test the effectiveness of mobile learning media on the digestive system to train 11th-grade students at SMAN 1...
The research aims to produce a valid and practical digital educational games as a learning media for the immune system material for students in Phase F of the Curriculum Merdeka. This research is a type of research and development (R&D) was used the Borg & Gall development model up to the fifth stage. The study was conducted with biology teachers and eleventh-grade students at...
Polymerase Chain Reaction (PCR) technology has emerged as a significant breakthrough in the detection and management of diseases in the livestock sector and public health. This study aims to evaluate the effectiveness and applications of PCR in detecting pathogens in livestock and zoonotic diseases that can transfer from animals to humans. The research adopts a literature review...
Teaching materials are one of the supports in the learning process at school. One of the skills in the 21st century is the use of technology. It is hoped that the development of teaching materials that are integrated with technology, such as e-pocket books, can become an innovative teaching material solution. Apart from that, the delivery of material will also be more useful if...
Abstract This research is to find out (1) species of medicinal plants found in the Bukit Kangin Forest, Tenganan Pegringsingan Traditional Village and which are still used by the surrounding community, (2) plant organs that can be used as medicinal ingredients used by the community and based on Lontar Usadha Taru Pramana, (3) implementation to the younger generation of medicinal...
Hexavalent chromium or Cr (VI) is a heavy metal that is dangerous to living things if it enters the body's metabolism because of its high permeability and oxidation ability which can disrupt biological systems. Cr (VI) is found in large quantities in textile dyes in the screen printing industry. The results of washing screen printing produce Cr (VI) waste which is dangerous to...
This study aims to determine the application of repetitive learning increases musculoskeletal complaints and stress due to learning and decreases learning motivation. This type of research is a quasi-experimental study with a nonequivalent randomized pre and post test control group design. The dependent variables of this study include: (1) musculoskeletal complaints were recorded...
This research aims to analyze the learning interests of class X-1 students related to learning virus material in biology subjects. The method used in this research is a qualitative descriptive approach with data collection techniques in the form of questionnaires and observations. The data obtained was analyzed using scoring to reveal a clearer picture of students' interest in...
SDS-PAGE is a method used to analyze proteins based on differences in molecular weight. Sample preparation in SDS-PAGE with 2-mercaptoethanol will reduce disulfide bonds in proteins. The sulfide bond reduction process will cause differences in protein conformation and profile. The purpose of this study was to compare the pattern of blood plasma protein profiles of mice analyzed...
Packet books, LKS (student worksheets) and whiteboards are still learning media that are often used, while the percentage from preliminary study results shows that 96.8% of students are more interested and enthusiastic if interactive animated videos are used in the learning process. This research aims to determine the design, feasibility and practicality of developing interactive...
Turmeric is a plant that is often used as an ingredient in traditional medicine. Turmeric rhizome contains secondary metabolites such as alkaloids, triterpenoids, flavonoids, tannins, anthraquinones and polyphenols which have the potential to be used as antimicrobials and antioxidants. Endophytic fungi that live in plant tissue can produce the same metabolites as their host...
This research aims to conduct a needs analysis in developing STEM-based electronic modules with a focus on environmental conservation material. The research method used is descriptive qualitative research involving interviews, observation and questionnaires as data collection instruments. The research results show that there is an urgent need to update teaching materials, in line...
Wonorejo Mangrove Ecotourism is one of the tourist attractions in the East Surabaya area which is rich in natural resources. The potential of this mangrove resource is not only to support the activities of the surrounding community, but also students and students. Currently, mangroves are not only used as barriers to sea water abrasion, but can also be processed into potential...
Indonesia has a unique ecosystem and has an important role in coastal areas which are often called mangrove forests. One of them is in Surabaya, precisely in Wonorejo which is also a place of education and there are mangrove tours in it. Mangroves can be used in economic terms to be used as various types of processed food, drinks, one of which is jam. Mangrove forests in it there...
Infertility is currently an important problem in the world, including in Indonesia. Infertility can occur in men and women. Inmen, factors causing infertility can come from external sources. One environmental factor that can cause infertility is exposureto heavy metals from the environment. One way to prevent and treat infertility includes consuming natural antioxidants...
The quality of water as a maintenance medium in the recirculation system can decrease rapidly due to feeding activitiescarried out by fish such as waste in the form of faeces and leftover feed that settles to the bottom of the water. Water treatmentand optimization of filter media are ways to reduce pollutants dissolved in water. The purpose of this study was to determinethe...
Learning in the era of the industrial revolution 4.0 requires students to learn how to integrate concepts at all levels of organization and complexity as well as synthesize and analyze information that connects conceptual domains. A metacognitive approach will instill the skills the current generation needs to interact in society and the world of work. The aim of the research is...
Soap as a cleaning agent is a class of products formulated with chemicals designed to meet consumer needs. However, household waste derived from chemicals affects how water and soil quality in the area. This study was conducted to determine the impact of environmentally friendly soap on soil quality in terms of earthworm indicators (Lumbricus terrestris). The methods used in this...
Indonesia is an archipelagic country with the highest level of biodiversity after Brazil. The diversity of Superclass Pisces (fish) in Indonesia is very significant. Indonesia's coastal resources are the centre of the richest tropical marine biodiversity in the world, where 90% of the fish catch comes from coastal waters within a 12 nautical mile radius of the coastline. From the...
Students' cognitive development must be considered during the learning process, the use of learning media can make it easier for students to receive learning so they can achieve learning goals. The use of song media is one of the media sources that can be used to convey material to students. The aim of this research is to find out how to implement the use of song media to improve...
Increased levels of free radicals in the body are thought to trigger oxidative stress and cause aging. Biologists state that aging is one of the causes of infertility in men. Squid ink is known to have high antioxidant activity so that it can be used as an alternative treatment. Therefore, this study was conducted with the aim of knowing the effect of inking squid on the quality...
This research aims to determine the obstacles faced by students in learning biology during the transition period in North Toraja Regency State High Schools. This research was conducted in the even semester of the 2022/2023 academic year. This type of research is quantitative descriptive research by distributing questionnaires related to the obstacles faced by students during...
Pleurotos ostreatus cultivation is a business opportunity that has high economic value and has increased every year. This study aims to determine the best planting inoculation method and surface method for Pleurotos ostreatus cultivation, and determine the most effective concentration of sawdust and straw mixed media for the growth of Pleurotos ostreatus. This study used a...
This research aims to analyze students' learning activities, examine the differences in environmental literacy improvement, and assess students' responses through the implementation of Project-Based Learning (PjBL) assisted by posters to enhance students' environmental literacy skills in the topic of environmental changes. This study involved two classes, an experimental group...