Which of the following mechanism will be activated if there is a shortage of cellular and endoplasmic reticulum Ca2+ reserve? O DAG will activate protein kinase C to release calcium bound to calmodulin ER membrane protein STIM1 will activate plasma membrane Orai1 channel All of the other mechanisms will be activated IP3 signaling will release stored calcium from the ER O DAG will activate protein kinase C to activate store operated calcium channel in the plasma membrane < Previous Next >

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Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.