Answer:
Beginning the age of European exploration
Explanation:
The left side of the heart collects oxygen-rich blood from the lungs and pumps it to the body. The left and right sides of the heart are divided by walls<span> called septums. There is an atrial septum that separates the right and left atriums, and a ventricular septum that separates the right and left ventricles.</span>
DNA carries the genetic code and determine an organisms structure and functions.
<em>for deactivation of <u>lac represso</u><u>r , a lactose molecule is required that further result in transcription of RNA as a result enzymes are produced which break down lactose...</u></em>
