The aim of this study is to investigate the effect of the mind mapping technique applied on the subject of meiosis and mitosis in science class on the academic achievement and science attitudes of 7th grade students and to reveal students' thoughts on the mind mapping technique. The research was carried out in a public secondary school in Kahramanmaraş central district in 2017-2018 academic year. In the research, quasi-experimental design with pre-test and post-test control group was used. The current program was applied to the control group and the current program supported by mind maps was applied to the experimental group. Academic achievement test and science attitude scale were applied to the experimental and control groups as pre-test and post-test. As a result of the application, it was determined that the mind map technique positively affected the students 'academic achievement and attitudes towards science, and the students' thoughts about the mind map were positive.
Prostate cancer is one of the devastating diseases characterized by genetic changes leading to uncontrolled growth and metastasis of the cells of the prostate gland and affects men worldwide. Conventional hormonal and chemotherapeutic agents are effective in mitigating the disease if diagnosed at an early stage. All dividing eukaryotic cells require mitotic progression for the maintenance of genomic integrity in progeny populations. The protein kinases, upon activation and de-activation in an ordered fashion, lead to spatial and temporal regulation of the cell division process. The entry into mitosis along with the progression into sub-phases of mitosis is ensured due to the activity of mitotic kinases. These kinases include Polo-Like-Kinase 1 (PLK1), Aurora kinases, and Cyclin-Dependent-Kinase 1 (CDK1), among others. The mitotic kinases, among others, are usually overexpressed in many cancers and can be targeted using small molecule inhibitors to reduce the effects of these regulators on mechanisms, such as regulation of genomic integrity and mitotic fidelity. In this review, we attempted to discuss the appropriate functions of mitotic kinases revealed through cell culture studies and the impact of their respective inhibitors derived in pre-clinical studies. The review is designed to elucidate the growing field of small molecule inhibitors and their functional screening or mode of action at the cellular and molecular level in the context of Prostate Cancer. Therefore, studies performed specifically on cells of Prostatic-origin are narrated in this review, culminating in a comprehensive view of the specific field of mitotic kinases that can be targeted for therapy of Prostate cancer.
Öz: Bu araştırmanın amacı ortaokul 7. sınıf fen bilimleri dersinde fen, teknoloji, mühendislik ve matematik (FeTeMM) etkinliklerinin öğrencilerin bilimsel süreç becerileri, fen tutum ve fen ilgileri üzerine etkisini incelemek ve uygulama hakkında öğrenci görüşlerini açığa çıkarmaktır. Yarı deneysel yöntemle yürütülen araştırmanın çalışma grubu, 2017-2018 eğitim-öğretim yılında Osmaniye İli Düziçi ilçesinde merkez bir ortaokulda 26'sı deney ve 26'sı kontrol grubunda olmak üzere toplam 52 öğrenci ile yürütülmüştür. Uygulama bilim uygulamaları dersinde 14 haftada (28 ders saati) tamamlanmıştır. Araştırma öncesi gruplara bilimsel süreç becerileri, fen tutum ölçeği ve fen ilgi ölçeği ön test, araştırma bitiminde aynı ölçekler son test olarak tekrar uygulanmıştır. Ayrıca öğrencilerin FeTeMM etkinlikleri hakkında düşüncelerini açığı çıkarmak amacıyla son test uygulaması ile beraber deney grubunda bulunan öğrencilerin görüşleri alınmıştır. Araştırmanın bulguları FeTeMM etkinliklerinin öğrencilerin bilimsel süreç becerileri, fen tutumları ve fen ilgileri üzerine deney grubu lehine anlamlı fark olduğunu ortaya koymaktadır. Ayrıca öğrencilerin FeTeMM etkinlikleri hakkında ağırlıklı olarak olumlu ifadeler kullandıkları görülmektedir.
ÖzetBu araştırmanın amacı, ortaokul 5, 6, 7 ve 8. sınıf öğrencilerinin Fen Bilimleri dersine yönelik tutumlarının farklı değişkenlere göre incelenmesidir. Değişkenler cinsiyet, sınıf, meslek tercihi, doğa sevgisi olarak belirlenmiştir. Araştırmada deneysel olmayan nicel araştırma tasarısına sahip tarama modeli kullanılmıştır. Araştırmanın evreni 2016-2017 eğitim öğretim yılında Osmaniye ili Düziçi ilçesinde bulunan ortaokullarda öğrenim gören 5, 6, 7 ve 8. sınıf öğrencilerinden oluşmaktadır. Araştırmanın örneklemi ise rastgele 3 ortaokuldan seçilen 5, 6, 7 ve 8. sınıflarda öğrenim gören 157'si erkek ve 146'sı kız öğrenci olmak üzere toplam 303 öğrenciden oluşmaktadır. Verilerin çözümlenmesi aşamasında bağımsız örneklem t-testi ve Anova kullanılmıştır. Bulgular incelendiğinde Fen Bilimleri dersine yönelik tutumların cinsiyete bağlı olarak anlamlı farklılık göstermediği fakat meslek seçimi, doğa sevgisi ve sınıf düzeyine bağlı olarak anlamlı farklılık gösterdiği görülmektedir. AbstractThe aim of this study is to determine whether there is a significant differentiation between 6th, 7th and 8th grade students' attitudes towards Science lessons depending on different variables. Gender, class grade, choice of profession, and love of nature are determined as the center of the differentiation. In the study, a screening model with non-experimental quantitative research design was used. The universe of the research consists of the 5th, 6th, 7th and 8th grade students in a state secondary school in Düziçi, Osmaniye province in the academic year of 2016-2017. The sample of the study consisted of a total of 303 students, 157 boys and 146 girls, who were randomly selected from 3 secondary schools selected from the 5th, 6th, 7th and 8th grades. In the phase of analysis of the data unpaired t-test and Anova were used. The findings of the study have shown that there is not any significant difference in attitudes towards science lessons in terms of sex, but there is a significant difference in terms of choice of profession, love of nature and class grade.
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