hairlike structures that extend from the surface of the cell, where they assist in movement. they are longer and are far less numerous on the cells where they occur.
Fill a U.S. Customs form to track the package abroad or ask your correspondent the parcel's bar code. Note the number that starts with CP on top of the form. Go to usps.com/shipping/trackandconfirm.htm?from=home&page=0035trackandconfirm. Enter the form number. Click Go..
A UPS tracking number, for domestic packages within the United States, will usually start with 1Z followed by a 6 character shipper number (numbers and letters), a 2 digit service level indicator (e.g., 03 for GROUND, SEE UPS SERVICE CODES below), and finally 8 digits identifying the package, for a total of 18 characters.