The TTR gene provides instructions for producing a protein called transthyretin. This protein transports vitamin A (retinol) and a hormone called thyroxine throughout the body. To transport thyroxine, four transthyretin proteins must be attached (bound) to each other to form a four-protein unit (tetramer).
Without the reserve ticket the wait for the ferry was 1.5 hrs, it took us about 20 minutes to get through the screening and board the boat. If you have noon or so tickets you can easily visit both Ellis Island and the Statue of Liberty. They also didn't seem to be real strict on the time, we were 1/2 hour early and they just sent us through.
New York 4 hours. Tour key sites on foot at Battery Park, then hop an early ferry to the Statue of Liberty for a guided tour of Lady Liberty and entrance to her Pedestal. You'll also visit Ellis Island and enjoy a guided tour of the location where 12 million immigrants first stepped on the land of freedom.