Download e-book for iPad: Beetles of Thailand by Pisuth Ek-Amnuay

By Pisuth Ek-Amnuay

ISBN-10: 9742890455

ISBN-13: 9789742890452

The beetles, participants of the Order Coleoptera are the most important order of bugs, with approximately forty % of identified species of overall insect international or approximately 400,000 species. My first version of this publication was once released in 2002 and was once additionally the 1st ebook of beetles on hand in Thailand. this can be a revised version, emphasizing the species content material and chance of extra species for all these beetle households, this version comprises 509 species compared to the 1st version which integrated merely 362 species and subspecies.

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Prostaglandins are made in cells in practically all the tissues in the body, especially after injury. They pass out of the cell and slot into receptors in the membranes of several different kinds of cells, activating G-proteins and bringing about various effects in those cells. For example, some nerve cells respond to prostaglandins by sending pain signals to the brain. Prostaglandins also cause inflammation, where blood capillaries become leaky and allow fluid and white blood cells into the damaged area.

Membranes provide attachment sites for enzymes and other molecules involved in metabolism. The inner membrane of a mitochondrion contains molecules needed for the production of ATP. The inner membrane of a chloroplast contains chlorophyll needed for photosynthesis. 1 Functions of membranes. 24 Chapter 2: Cell membranes Structure of cell membranes All cell membranes have a similar structure. They are normally between 7 nm and 10 nm thick, which makes them invisible with a light microscope but visible using an electron microscope.

The hydrophilic heads of phospholipid molecules are therefore drawn to these fluids, while the hydrophobic tails are repelled by them. This causes the phospholipids to arrange themselves in a double layer, with heads facing outwards and tails facing inwards. 3). 3 A phospholipid bilayer. 2 Phospholipid molecules. Membranes also contain another type of lipid. This is cholesterol. Cholesterol molecules lie alongside the phospholipids, helping to make up the bilayer. There are also many different protein molecules in cell membranes.

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Beetles of Thailand by Pisuth Ek-Amnuay

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