Cooking tips for tender beef. When cooking beef, keeping it tender and juicy is of utmost importance - and it really isn't that difficult. With the following cooking tips, you'll have perfectly cooked beef every time. Cooking tip #1: Understand your cuts.
Supplement. In cell biology, a tetrad pertains to the structure formed by the synapsis of homologous chromosomes during the prophase I of meiosis. Word origin: Greek tetras, tetrad-. Synonym: bivalent. Related term: 1  Fallots tetrad.
Synapsids ('fused arch'), also known as theropsids ('beast face'), are a class of animals that includes mammals and everything closer to mammals than to other living amniotes.The non-mammalian members were traditionally described as mammal-like reptiles, and are sometimes referred to as proto-mammals or stem-mammals.