Quotes About Cell Nucleus

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“The more the relationships of the nitrogen-rich substances to the cell nucleus were recognized, the more the question of the arrangement of the nitrogen and carbon atoms in the molecule came to stand out.”
— Albrecht Kossel —

“For it is not cell nuclei, not even individual chromosomes, but certain parts of certain chromosomes from certain cells that must be isolated and collected in enormous quantities for analysis; that would be the precondition for placing the chemist in such a position as would allow him to analyse [the hereditary material] more minutely than [can] the morphologists ... For the morphology of the nucleus has reference at the very least to the gearing of the clock, but at best the chemistry of the nucleus refers only to the metal from which the gears are formed.”

— Theodor Boveri

“A nutritive centre, anatomically considered, is merely a cell, the nucleus of which is the permanent source of successive broods of young cells, which from time to time fill the cavity of their parent, and carrying with them the cell wall of the parent, pass off in certain directions, and under various forms, according to the texture or organ of which their parent forms a part.”

— John Goodsir

“In 2002 scientists demonstrated beautifully just how random the process of X inactivation really is, by cloning a calico cat. They took cells from an adult female cat, and carried out the standard (but still fiendishly tricky) process of cloning. To do this, they removed the nucleus from the adult cat cell and put it into a cat egg whose own chromosomes they'd removed. This egg was implanted into a surrogate cat mother, and a lively and beautiful female kitten was born. And she didn't look anything like the genetically identical cat of which she was a clone.18”

— Nessa Carey

“According to Dr. Bruce Lipton, gene activity can change on a daily basis. If the perception in your mind is reflected in the chemistry of your body, and if your nervous system reads and interprets the environment and then controls the blood's chemistry, then you can literally change the fate of your cells by altering your thoughts.
In fact, Dr. Lipton's research illustrates that by changing your perception, your mind can alter the activity of your genes and create over thirty thousand variations of products from each gene. He gives more detail by saying that the gene programs are contained within the nucleus of the cell, and you can rewrite those genetic programs through changing your blood chemistry.”

— LIPTON

— Albrecht Kossel

“The aim of a nuclear-transplant experiment is to insert the nucleus of a specialized cell into an unfertilized egg whose nucleus has been removed.”

— John Gurdon

“In principle. what is done is to take the nucleus out of a cell with a very fine micro-pipette or needle and introduce it into an egg. That had been done with amphibians a long time ago, and then there was a long pause of many years before people were clever enough to make that work in the sheep.”

— John Gurdon

“Within one year of starting work, I had found that the nucleus of an endoderm cell from an advanced tadpole was able to yield some normal development up to the nuclear transplant tadpole stage.”

— John Gurdon

“If one stretches out the DNA contained in the nucleus of a human cell, one obtains a two-yard-long thread that is only ten atoms wide. This thread is a billion times longer than its own width. Relatively speaking, it is as if your little finger stretched from Paris to Los Angeles.”

— Jeremy Narby

“A cell is a complex structure, with its investing membrane, nucleus, and nucleolus.”

— Charles Darwin