Manually Issued Passenger Ticket This ticket is handwritten and consists of Flight Coupon(s) with carbon copy. ATB (Automated Ticket and Boarding Pass). ATB ticket is imprinted and consists of Flight Coupons and Boarding Pass with magnetic stripe on the backside. e-Ticket. This is sample for E-ticket as A4 size paper and Ticket size. E ticket system does not need the conventional passenger air ticket as TAT or ATB. The passenger's boarding information is electronically managed in the system of an airline.
Report Abuse. 1  DNA is interior the type of a double helix. the backside pairing rule describes the complementarity of the bases. Adenine is going with Thymine; Cytosine with Guanine. the cost of this would not lie in guy or woman bases, yet fairly interior the final base sequence. 2  Hydrogen bonds join them up.
Best Answer: The DNA double helix is stabilized by hydrogen bonds between the bases attached to the two strands. The four bases found in DNA are adenine (abbreviated A), cytosine (C), guanine (G) and thymine (T). Each type of base on one strand forms a bond with just one type of base on the other strand. This is called complementary base pairing.