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Biological immortality: Quiz

  

Question 1: ________ are said to be biologically immortal, but only as a colony.
Gram-negative bacteriaGram-positive bacteriaCorynebacteriumBacteria

Question 2: ________ have chosen the word immortal to designate cells that are not limited by the Hayflick limit (where cells no longer divide because of DNA damage or shortened telomeres).
BiologistMarine biologyMicrobiologyBiology

Question 3: Some life extensionists, such as those who practice ________, have the hope that humans may someday become biologically immortal.
CryonicsAmerican Cryonics SocietyAlcor Life Extension FoundationCryonics Institute

Question 4: Biological immortality is the absence of a sustained increase in rate of mortality as a function of ________ age.
ChronologyCalendarGregorian calendarJulian calendar

Question 5: It has been suggested that hydras do not undergo ________ (aging), and as such are biologically immortal[5].
DNASenescenceAntioxidantImmortality

Question 6: This would not be the same as literal ________, since humans are still susceptible to death through external circumstances.
ImmortalityProphecyKalachakraTime

Question 7: No actual organism or individual cell is inviolably ________ (i.e.
ProphecyKalachakraTimeImmortality

Question 8: However, this does not explain how hydras are consequently able to maintain ________ lengths.
ChromosomeKaryotypeTelomerePolyploidy

Question 9: (Prior to the work of Leonard Hayflick there was the erroneous belief fostered by ________ that all normal somatic cells are immortal.)
Alexis CarrelCorneal transplantationOrgan transplantKidney transplantation

Question 10: Among the most commonly used cell lines are ________ and Jurkat, both of which are immortalized cancer cell lines.
ChromosomeHenrietta LacksCell cultureHeLa
















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