InvestorWords.com - Online Investing Glossary. A contract in which a property title is transferred only after the buyer makes a certain number of monthly payments. also called contract sale. also called contract for deed. â You should try and make sure you know how much a contract sale will be so that you can budget for it.
Polar Covalent Bonds. There are two types of covalent bonds: polar and nonpolar. In a polar covalent bond, the electrons are unequally shared by the atoms because they are more attracted to one nucleus than the other .
Polar molecules are hydrophylic. Because the inner portion of the phospholipid bilayer (plasma membrane) consists of hydrophobic interactions, generally polar molecules cannotâ¦ pass directly though. These molecules require protein channels to actively or passively move between the cytosol and the plasma membrane.