1. Unhomogenized milk naturally separates into a small layer of fatty liquid (called cream) and a layer of nearly fat-free liquid (called skim milk). Skimming off the top layer produces the dairy product cream. Modern techniques of cream production involve separating whole milk through the use of centrifuges, greatly speeding up the process.
opah. n. 1. (Animals) a large soft-finned deep-sea teleost fish, Lampris regius (or luna), of the Atlantic and Pacific Oceans and the Mediterranean Sea, having a deep, brilliantly coloured body: family Lampridae. Also called: moonfish or kingfish.
OP-puro, an alkyne puroanalog, is a potent protein synthesis inhibitor. (A) Structure of puro and the analog OP-puro, which bears a terminal alkyne group. (B) Schematic of OP-puro incorporation into nascent polypeptide chains on translating ribosomes.