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hydrogen bonds

Listing 1 - 10 from 16 for hydrogen bonds

WATER
... ingredients - oxygen and hydrogen. The third type of weak bonding is called hydrogen bonding. Because it is so important, some additional details should be given. Hydrogen bonds Hydrogen bonds are the unique features of water. In summary, oxygen has two positions for additional electrons in its second ring. Hydrogen has one electron in ...
home.ccil.org

temp
... of combining phenol-based substances with proteins, and the disruption of hydrogen bonds leaves the protein indigestible. In one sense the hydrogen bonds, are held open by toothpicks. The enzymes of the koala would ...
home.ccil.org
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DNA Structure.
... ), while cytosine (C) pairs with guanine (G). The two DNA strands are held together by hydrogen bonds between the bases. hyperbio@mit.edu
web.mit.edu

MIT Biology Hypertextbook: Chemistry Review
... the hydrogen atoms, resulting in a partial negative charge on the oxygen and a partial positive charge on each of the hydrogens. The possibility of hydrogen bonds (H-bonds) is a consequence of partial charges. 1.2 Hydrogen Bonds Hydrogen bonds are formed when a hydrogen atom is shared between two molecules. Hydrogen bonds have polarity. A hydrogen atom ...
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Molecule Illustrations
... -substrate complex. While attached to the substrate, the enzyme causes a weakening of certain chemical bonds in the substrate molecule, resulting in a breakdown (hydrolysis) of the substrate into two smaller ... three loops. At the base of each loop the base pairs are held together by hydrogen bonds (paired red dots). The terminal (lower) loop contains the anticodon AAA (base triplet in red ...
waynesword.palomar.edu

How Water Works with Ferns
... water molecules; that is the property of water molecules to cling to each through the hydrogen bonds they form. Polar molecules, such as water molecules, have a weak, partial negative charge at ... oppositely-charged regions of nearby molecules. The force of attraction is called a hydrogen bond. Each water molecule is hydrogen bonded to four others. When water is confined to tubes of very ...
www.sdfern.com

DNA
... molecule. They run in an antiparallel direction, and are held together by many very weak hydrogen bonds. For further information, contact us at jim@shieldsgardens.com Last revised on 5 January 2004 ...
www.shieldsgardens.com

ThankYouWater
... or ammonia), but water behaves like a liquid because of the electronic attraction of its hydrogen bonds. According to its molecular size, water ought to boil at -93C. Unless any other ... freezes, water becomes less dense as it solidifies. This is also due to its amazing hydrogen bonds, which hold the molecules together, but at an arms length. The result is of course ...
www.the-tree.org.uk

The Cycad Pages
... of high energy phosphate bonds. Magnesium ions are required as a cofactor for ATP hydrolysis. Ferredoxin acts as an electron donor, and protons are required to add hydrogen to nitrogen, forming ammonia ...
plantnet.rbgsyd.nsw.gov.au

Phenol extraction
... of magnitude stronger acids than aliphatic alcohols and hence vastly better hydrogen bond donors. Amide bonds are stronger bases (hydrogen bond acceptors, same table) than alcohols and ethers. Phenol is partially ... help to strip TMV capsid from the virion. Are other phenols better extractants? Since hydrogen bonding is important, more acidic phenols (e.g. chlorophenol) are likely better extractants, ...
plantpath.unl.edu




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