Biology Quote by Carl Sagan

When you look more generally at life on Earth, you find that it is all the same kind of life. There are not many…

— Carl Sagan

The following general definition of an animal: a system of different organic molecules that have combined with one another, under the impulsion of a…

— Denis Diderot

One day I discovered that one could get the barrier to internal rotation in ethane approximately right using this method. This was the beginning…

— Roald Hoffmann

Four elements, Hydrogen, carbon, oxygen and nitrogen, also provide an example of the astonishing togetherness of our universe. They make up the "organic" molecules…

— George Wald

“Those are some of the things that molecules do, given four billion years of evolution”

— Carl Sagan

The essential principles of the three-dimensional structure of organic molecules had been correctly formulated by the first Nobel laureate in Chemistry, Jacobus van't Hoff,…

— John Cornforth

“In contrast to this hellish but magnificent sight, the turbid water brewed a microscopic tale. Here, organic molecules were born from lightning flashes and…

— Liu Cixin

“Within the chemically rich liquid oceans, by a mechanism yet to be discovered, organic molecules transitioned to self-replicating life.”

— Neil deGrasse Tyson

“I am a collection of water, calcium and organic molecules called Carl Sagan. You are a collection of almost identical molecules with a different…

— Carl Sagan

“I am a collection of water, calcium and organic molecules called Carl Sagan. You are a collection of almost identical molecules with a different…

— Carl Sagan

There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.

— Carl Sagan

The cell, this elementary keystone of living nature, is far from being a peculiar chemical giant molecule or even a living protein and as…

— Oscar Hertwig