Güncel Gönderiler: Biyoloji Bölümü
Toplam kayıt 614, listelenen: 61-80
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The effects of n-ras oncogene expression on PDGF-BB stimulated responses in cultured mouse myoblasts
(1995)The role of the ras oncogene in the signalling pathway triggered by platelet-derived growth factor BB (PDGF-BB) has been investigated in a cell line which normally differentiates into myotubes. Following the activation of ... -
Checklist of Tabanidae (Diptera) from Turkey
(1999)After a review of the literature on the Tabanidae fauna of Turkey, it was found that 156 species and 12 subspecies have been reported. Twelve of the species are from the subfamily Pangoninae. 19 species and 2 subspecies ... -
An investigation on the weed distribution in some agricultural fields of eskişehir and environs [Eskişehir ve çevresindeki bazi tarim alanlarinda yayiliş gösteren yabanci ot florasi üzerine bir araştirma]
(TUBITAK, 2000)In this study, the flora of the weeds, which is one of the most important factors adversely affecting agricultural production in Eskişehir and environs, was investigated. In the study area, 75 genera, 91 species and ... -
The flora of the forest series of Yirce-Bürmece-Kömürsu and Muratdere (Bilecik-Bursa, Turkey)
(2000)A field study was carried out to determine the flora of the forest series of Yirce-Bürmece-Kömürsu and Muratdere (Bilecik-Bursa) during 1992-1995. In terms of species and subspecies, the flora of the area consisted of 505 ... -
Lichens of the thrace region of Turkey
(1998)This paper gives the distribution of lichens in the Thrace region determined in this study and in nine previous studies as well. The genus Placidiopsis (Verrucariaceae) is recorded for the first time in Turkey and thirty-three ... -
A description of the vegetation mosaic of the forests of Yirce and Muratdere (Bilecik-Bursa, Turkey) by satellite remote sensing
(2001)The aim of this study is to describe the cut-off borders and the structure of vegetation mosaics of existing plant communities in the area. using traditional flora and vegetation methods and satellite remote sensing (Landsat ... -
Biochemical characterization of glutathion-S-transferase and effects of lead acetate in Gammarus pulex
(2000)Glutathione transferases (GST s; EC. 2.5.1.18) are a family of multifunctional proteins that catalyze the conjugation of GSH to the electrophilic centre of a large number of active molecules. A great number of drugs, ... -
Effects of lead and some ions on the activity of Glutathione reductase in Gammarus pulex
(2000)Gammarus pulex, a member of the Amphipoda, has been commonly used as a test organism in environmental toxicology in recent years. Glutathione reductase is an enzyme that is very important in effective detoxification of ... -
Ecological properties of Pinus nigra ssp. pallasiana var. şeneriana
(2000)In this study, the ecological properties of Pinus nigra ARN. ssp. pallasiana (LAM.) HOMBLOE var. şeneriana (SAATÇIOGLU) YALTIRIK, One of the endemic plants in Turkey, has been studied. To determine the biological characters, ... -
The Ephemeroptera (Insecta) fauna of Lake Ulubat Basin [Ulubat Gölü Havzasi'nm Ephemeroptera (Insecta) Faunasi]
(2002)In this study, 1812 Ephemeroptera nymphs were collected in order to determine the Ephemeroptera fauna of Lake Ulubat Basin between April 1996 and September 1999. The distribution of 38 species belonging to 22 genera and ... -
A study on the Ornithofauna of Doganci Pond in Alpu-Eskişehir
(2001)This study was carried to determine the ornithofauna of Doganci Pond and vicinity, which is located in the Alpu District of Eskişehir province. The study area, which is situated on one of the migration routes for birds, ... -
Investigation of cytogenetic effects of 2, 4, 5 triphenyl imidazole by rat bone marrow micronucleus test
(2001)The cytogenetic effects of 2, 4, 5 triphenyl imidazole on the micronucleus formation were investigated in rats. Increasing doses of the substance were injected i.p. into Wistar rats and polychromatic and normochromatic ... -
The Tabanidae (Diptera) fauna of Çanakkale province [Çanakkale Ili Tabanidaee (Diptera) Faunasi]
(2001)In this faunistic study carried out in the Anatolian part of Canakkale province, 40 Tabanidae species distributed in the area were determined. Previous studies carried out in this province reported 31 species. Overall, 52 ... -
The Tabanidae (Diptera) fauna of Balikesir province [Balikesir Çevresi Tabanidae (Diptera) Faunasi]
(2001)The faunistic study was carried out in Balikesir province between 1996-1997 and 50 Tabanidae species were determined. The total number of species reported from the province by previous studies and this study reached 57. ... -
The Antimicrobial Activity of Extracts of the Lichen Cladonia foliacea and Its (-)-Usnic Acid, Atranorin, and Fumarprotocetraric Acid Constituents
(2004)The antimicrobial activity of the chloroform, diethyl ether, acetone, petroleum ether, and ethanol extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents against ... -
The Antimicrobial Activity of Extracts of the Lichen Cetraria aculeata and Its Protolichesterinic Acid Constituent
(2003)In this study, the antimicrobial activity of the acetone, diethyl ether and ethanol extracts of the lichen Cetraria aculeata has been investigated. The extracts were tested against twelve bacteria and eight fungi and found ... -
Effects of Lead as an Environmental Pollutant on EROD Enzyme in Gammarus pulex (L.) (Crustacea: Amphipoda)
(Springer New York, 2004)[No abstract available] -
Two new records for the lichen flora of Turkey [Türkiye Liken Florasi için iki Yeni Kayit]
(2003)Two species of lichenized Ascomycotina, Cyphelium notarisii (Tul.) Blomb. & Forss. and Strangospora moriformis (Ach.) Stein are newly reported for Turkey. Both species were collected from Pinus nigra subsp. pallasiana in ... -
Airborne pollen grains of Bozüyük (Bilecik, Turkey)
(Blackwell Publishing Ltd, 2005)Airborne Pollen grains in the atmosphere of Bozüyük were investigated over a 2 yr period from 2000 to 2001 using a Durham sampler. A total number of pollen grains of 5 170 pollen grains belonging to 32 taxa were identified ... -
Relation between cranial venous return and hand preference by magnetic resonance angiography
(2005)Objective: This study was conducted to determine whether there is a relationship between hand preference and the site of cranial venous return. Magnetic resonance angiography was used for the determination of the site of ...
