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In addition to the direct recognition elements embedded in the linear sequence of bases ( i.e ., hydrogen bonding sites ) , these molecular agents seemingly sense and / or induce an " indirect " conformational response in the DNA base pairs that facilitates close intermolecular fitting . STARTTLS " response from the server . On the return trip response from the server , the destination port number and IP address become the source port number and IP address . Specifically , we pump heat energy into the boundary of the object ( typically the heat " turns off " after a short time ) then measure the boundary temperature response for some time interval . There is a similarity in the response of the US electorate . A well behaved client SHOULD wait for a response from the server before it issues a new request . The estimated model is able to account for the response of the US economy to all three shocks . Instead , when a client receives a response from the server , it records the information associated with the response and then immediately sends another request to the server . Overall , this body of work should prompt other researchers to consider the dynamic aspect of metabolic responses in the field and the complex interactions between environmental conditions and nitrate metabolism .