What is the principle that indicates that after about 50 doublings, cells lose their ability to replicate?
a. Hayflick limit
b. cell limit
c. replication limit
d. HELA limit
Answer: A
Psychology
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The requirement to express positive emotions, especially when you really are feeling positive, boosts job satisfaction and reduces stress.
a. true b. false
Psychology
A disorder resulting from exposure to a major stressor, with symptoms of anxiety, nightmares, poor sleep, reliving the event, and concentration problems, lasting for more than one month is called __________
a) acute stress disorder. b) external locus of control. c) catastrophic stress. d) post-traumatic stress disorder (PTSD).
Psychology