The gene that encodes the enzyme called tyrosine hydroxylase is known to be up regulated by the CREB protein.  Tyrosine hydroxylase is expressed in nerve cells and is involved in the synthesis of catecholamine, a neurotransmitter.  The expose of cells to adrenaline normally up regulates the transcription of the tyrosine […]

1) After having a severe cold accompanied by nasal congestion, one complained of a frontal headache and the right side of his face ached. What bony structures probably became infected by the bacteria or viruses causing the cold? 2) An elderly woman, stumbled while walking, she then felt a terrible […]

A strange species of worm has a simple nervous system that regulates turning to the right or the left. Each side of the worm has one neuron which stimulates turning. A neuron that uses the neurotransmitter dopamine is on the left side of the worm, and activity of this neuron […]

FACT SITUATION:  Reliable Equipment Restoration Incorporated (hereafter RER) is a generalpartnership engaged in the business of buying, selling and restoring used heavy equipment. RER’s originalpartners were Roger Martin and Claus Kent.  They formed the partnership on January 1, 1997, under anoral partnership agreement that provided that the partners would share […]