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.
The term tetrad is referring to the 4 chromatids present in the two replicated chromosomes that associate during prophase I of meiosis. Once crossing over has happened, the 4 chromatids are all genetically distinct from each other. During anaphase I, remember that the homologous chromosomes separate from each other.