They may also initiate specific biological processes by redox signaling. The driver can initiate or receive calls through verbal command. Opinions differed, however, as to the reasons Congress should be able to initiate an impeachment. Variations of these factors will initiate dynamic modifications to the ecosystem. Sometimes however, such single combat would merely initiate a battle rather than prevent it. This is also the term used to describe the initiate themselves. Initial margin is the equity required to initiate a futures position. It could initiate legislation, but only concerning matters that did not require government expenditures. This pass is especially effective in helping to initiate a fast break. Requests initiate a functionality of the protocol. She visited the property in an attempt to initiate regular contact. In general, plants can either initiate a specific or a non-specific response. While males usually initiate courtship, females control the process. Any PCI device may initiate a transaction. The SPA itself cannot initiate any legislation independently of party or state organs.