I'm here until you say I'm n...
[4793] I'm here until you say I'm n... - I'm here until you say I'm not. What am I? - #brainteasers #riddles - Correct Answers: 33 - The first user who solved this task is Djordje Timotijevic
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I'm here until you say I'm n...

I'm here until you say I'm not. What am I?
Correct answers: 33
The first user who solved this task is Djordje Timotijevic.
#brainteasers #riddles
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A little girl was out with her...

A little girl was out with her Grandmother when they came across a couple of dogs mating on the sidewalk."What are they doing, Grandma?" asked the little girl.
The grandmother was embarrassed, so she said, "The dog on top has hurt his paw, and the one underneath is carrying him to the doctor."
"They're just like people, aren't they Grandma?" said the little one.
"How do you mean?" asked the Grandma.
"Offer someone a helping hand," said the little girl,"and they screw you every time!"
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Keith Roberts Porter

Born 11 Jun 1912; died 2 May 1997 at age 84.Canadian-born American cell biologist who developed techniques for electron microscope studies to determine the internal structure and organization of cells and tissues. As a graduate student at Harvard, he developed a method for nuclear transplantation in frog eggs. In 1945, he described the structure of the endoplasmic reticulum. In 1952-53, Porter with George Palade and Fritiof Stig Sjöstrand perfected thin sectioning and fixation methods for electron microscopy of intracellular structures, especially of mitochondria. He used scanning electron microscopy for visualizing the surfaces of cells and tissues and applied it both to tissue culture cells, and to organs and tissues that were dispersed by chemical or mechanical treatment.
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