Failing Power Steering Pump: If the power steering pump begins to fail you may notice some squealing when turning the wheel. When seals and other parts of the power steering pump begin to wear down, the pump cannot maintain a consistent level of fluid pressure.
Return to CHAPTER 20. Control activities are the policies, procedures, techniques, and mechanisms that help ensure that management's response to reduce risks identified during the risk assessment process is carried out. In other words, control activities are actions taken to minimize risk.
Allosteric regulation allows for a higher degree of enzyme control than could be achieved through simply inhibiting or activating an enzyme. With allosteric regulation, the activity of an enzyme can be more tightly regulated by concentrations of, not only enzymes and substrates, but also other molecules that are not affected by the enzyme.