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After dopamine binding, the dopamine receptor changes his shape and binds the inactive G protein.The G protein expels its GDP molecule replacing it by GTP. and falls into two pieces. The Galpha subunit binds to and activates the enzyme adenylyl cyclase, which produces then cyclic AMP spreading a signal through the cell.
Kurashiki, Japan - May 24, 2013 : Station sign at the Kurashiki Station in Kurashiki, Okayama Prefecture, Japan. Sanyo Main Line and Hakubi Line are providing services in this station.
Monosodium glutamate, MSG or sodium glutamate molecules. MSG is used in cooking as a flavor enhancer with an umami taste 3d rendering
sign of European road 10 or E10, a route from the E-route network that runs from Å on Norway's Lofoten to Luleå in Sweden
3D cartoon and Gaussian surface models in perpendicular projections. PDB 3w9t, chain id color scheme, white background.
Variola virus, a virus from Orthopoxviridae family that causes smallpox, and other viruses from pox family, monkeypox, molluscum contagiosum virus, 3D illustration
An ECG test chart with pills and a stethoscope
Stethoscope on electrocardiogram ECG, heart wave, heart attack, cardiogram report.
Tokyo, Japan - November 21, 2018 : Kinshicho Station in Sumida Ward, Tokyo, Japan. Chuo-Sobu Line and Sobu Line are providing services in this station.
A poster in a park where the local government has banned cherry blossom viewing
Stock market chart. Treading board. Profit and money. Financial and business graph. Buy and sell concept. Stock market volatility 3d illustration.
3D cartoon and Gaussian surface models, PDB 2zdu, white background
molecular symbol painted on the wall
TNF is a homotrimeric cytokine, a cell signaling protein, involved in inflammation processes. TNF main role is the regulation of immune cells. PDB entry 1tnf
Abstract background Organic Form - 3d rendered image of glass structure, optical technology, nano electrical wave, dispersion colorful rainbow. Organic shapes and form. Science fiction or organic technology concept.
structure of a citric acid molecule painted on lemon peel, abstract background
Surface photography of nature pattern Crystal shot for background.
Biological protein and molecule, 3d rendering. 3D illustration.
Sign for Tonggu Road near High-Tech Park in Shenzhen, China
The DNA tetrahedron is designed to be mechanically robust; it consists of rigid triangles of DNA helices covalently joined at the vertices
A colorful and unique illustration perfect for a background
Spherical flower ,Monochrome
Yokohama, Japan- 19 May 2024: Sign board points to different attractions in Yokohama, Japan. Yokohama, was one of the first Japanese ports opened to foreign trade.
Road sign in Hong Kong.
Viral portal protein plays a key role in the procapsid assembly and DNA packaging. 3D Gaussian surface model in two purpendicular projections, chain ID color scheme, based on PDB 6rvr, white background.
Osaka, Japan - October 11, 2023: The Shinkansen high speed bullet train station platform at the Kyoto railway train station sign to Kyoto, Japan.
Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments
A stethoscope on a printout of a cardiogram Chart (ECG)
Free Images: "bestof:Keio ATC signal no3.JPG ja 京王ATCの車内信号（乗務員室の窓越しから撮影後トリミング） 投稿� �が撮影 toshinori baba 2010/10/8 Cab"
Motor control.JPG
E233kei 5000bandai.JPG
Keio ATC signal no3.JPG
Keio ATC signal no1.JPG
Keio ATC signal no2.JPG
Keio ATC no4.JPG
ATC number no1.JPG
ATC number.JPG
Shinkansen ATC.JPG
D-ATC display.JPG
Shinro yokoku signal.JPG
ATC number no2.JPG
Shinro signal.JPG
E231kei green syanai NO3.JPG
Saro yokosuka line no3.JPG
ATC jyushinki.JPG
E231 cab.JPG
Rail hosyu no3.JPG
International Airport International Term no3.JPG
ATC jyudenki.JPG
Udeki signal.JPG
Railway signal japan.JPG
CS-ATCtokyu no2.JPG
ATC Saitama New Urban Transit.JPG
CS-ATS tokyu no1.JPG
Haneda airport International station monorail no3.JPG
Haneda airport International station keikyu no3.JPG
TASC chijyoushi.JPG
Kuroiso station signal no1.JPG
Narita airport terminal station 2 keisei No3.JPG
Keikyu 1000kei syanai NO3.JPG
ATO ATC control.JPG
Choshi Electric Railway 2000gata No3.JPG
Keio 8000 Drivers cab.JPG
Kiha 52 izumi no3.JPG
JP cab 110.JPG
681kei hakutaka.JPG
211kei hiraya.JPG
231kei entrance.JPG
Skyliner syanai.JPG
Ogimachi station.JPG
Kuroiso station signal.JPG
Kiha52 oneman.JPG
457kei syanai.JPG
681kei syanai.JPG
681kei syanai 2.JPG
E531 panta.JPG
457kei panta.JPG
Sagamiko station.JPG
AE （Ⅱ）hokusou.JPG
Koucyokuryu kairo.jpg
E231saro230kei.JPG
E231green syanai NO4.JPG
211kei green 2F.JPG
Bunnki NO1.JPG
EF510-509.JPG
EF64 1000bandai.JPG
Mt kuji gogoume.JPG
ED75 757.JPG
719kei rapid city rabbit.JPG
Subsignal.JPG
Gaishi.JPG
681kei kantsugochi.JPG
EF81 141.JPG
EF81 141 soutou.JPG
Nechi station.JPG
Chichibu railway 1000kei.JPG
419kei himekawa.JPG
Kiso brake.JPG
EF80 Omiya.JPG
Omiya TDheikou garutan.JPG
Train Bearing.JPG
Omiya daisya kumitate.JPG
Omiya daisya kumitate NO2.JPG
Omiya daisya kumitate NO3.JPG
Omiya kumitate NO4.JPG
Jinnmuji station.JPG
Hokusou 7300kei.JPG
Toei 5300kei.JPG
Main switch.JPG
Line breaker.JPG
ATS-P chijyoushi.JPG
113kei syounan.JPG
113kei 2000bandaiNO1.JPG
113kei 2000bandaiNO2.JPG
113kei 0bandai.JPG
113kei syanai.JPG
E231kei green syanai NO2.JPG
E231 saro231kei.JPG
E231kei green syanai NO5.JPG
E231kei green syanai NO6.JPG
211kei saro212-101.JPG
211kei 213-118.JPG
211kei 5000bandai NO1.JPG
Fujikyu fujitozan.JPG
Fujikyu 1000gata.JPG
Saro216-34.JPG
Saro217-34.JPG
113kei 2000bandai interior.JPG
113kei 1500bandai interior.JPG
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