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Kaplan Qbank USMLE



Author7 Posts
  #1

Which of the following substances may play a role as a genetic clock, controlling the rate and timing of aging?

A. Advanced glycosylation end products
B. Catalase
C. Helicase
D. Superoxide dismutase
E. Telomerase

  #2

E?

  #3

E

___________________
Courage does not always ROAR. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow" - Mary Anne Radmacher

  #4

I go with E too

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The Key to Succeed is Patience.

  #5

E

  #6

I am guessing e.

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Smell the coffee! "Is That an Osler move??"

  #7

experts, u all!

as soon as a cell is born its clock starts ticking towards its death. The more shortening of chromosomal telomeres thr is, the closer it gets towards it demise till it reaches a critical length. If this telomere shortening is controlled or even prevented the cell has a chance to become immortal and stop the whole process of aging. Which is why, researchers are working on the double to try adn take some great advntges of this possible miracle enzyme.








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