The 4 building blocks of life

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the 4 building blocks of life

Building Blocks Quotes (14 quotes)

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Carbon as a building block of life - Properties of carbon - Biology - Khan Academy

5. Building Blocks of Life

The Earth was formed about 4. As the molten mass settled and cooled, a solid crust soon formed, probably within as little as about million years, along with a rudimentary atmosphere composed largely of carbon dioxide, water vapor and nitrogen. Although the environment at that time including the constant bombardment by asteroids and prodigious volcanic activity would have been highly hazardous to life , the necessary ingredients were all present in some form or another: liquid water, chemical building blocks usually taken to be the six elements : oxygen, hydrogen, carbon, nitrogen, sulphur and phosphorus and some kind of energy source. Liquid water is considered essential to the initial development of life because many chemicals dissolve easily in water allowing them to mix together and react, because liquid water is the right temperature for chemical reactions to happen, and also because many chemicals have parts which are attracted to water and parts which are repelled by it which also helps reactions happen. Carbon is important because of its ability to form long chain-like molecules carbon chains form the backbone of organic molecules. Hydrogen and oxygen the two elements that make up water molecules as well as nitrogen can all bond with carbon in many different ways, and large molecules made from carbon, hydrogen, oxygen and nitrogen also tend to be very stable.

All life is composed mainly of the four macromolecule building blocks: carbohydrates, lipids, proteins, and nucleic.
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Part 1: The building blocks of life

Part 2: The history of structural biology. Part 3: Advanced technology. Part 4: A new age of drug discovery. Her research focuses on the structural biology of cell surface recognition and signalling complexes. Receptors embedded in the surface are potential targets for therapeutic intervention in many diseases including cancer. Our bodies are made up of trillions of cells, which all have to communicate with each other for things to work correctly.

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