Hematopoietic stem cells in the bone marrow of adults .. O a) are multipotent, in that they can differentiate into many types of blood cells. O b) express all the same genes as embryonic stem cells. c) are capable of renewing themselves by mitosis for the lifetime of a healthy person. d) a and c O e) a, b and c

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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.