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.
I&#39;m reading about synapsis and tetrads in Prophase I, and in the picture it has two sister chromatids, and I don&#39;t understand how there are 4 total chromosomes, so that when in Anaphase, splitting occurs in meiosis, each new cell has one chromosome from each homologous pair.