Agene is a segment of dna that codes for a particular protein. one dna molecule typically contains thousands of genes. so, in order to fit into the nucleus of a cell, dna molecules must be wound around proteins into structures known as

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!