Few questions have captivated humankind more than the origin of life on Earth. How did the first living cells come to exist?

Natural treatments for lupus are typically used as complementary therapies alongside conventional treatments. Learn more ...

All known life forms are made up of cells enclosed by lipid membranes that separate and protect the cell’s contents. The ...

The amino acid cysteine has a chemically reactive side chain that can form bonds with another cysteine. Amino acids can also be basic, like lysine, or acidic, like glutamic acid. The sequence and ...

It’s also high in fiber, which can help regulate blood sugar levels and aid digestion. Eggs are packed with cysteine, an ...

Scientists have long wondered how the first cell membranes formed from the primordial soup—a new study offers up a recipe.

A team of biochemists at the University of California, San Diego, working with a group of biochemical engineers from the ...

The eleven non-essential amino acids are alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Amino acids can be joined together ...

thus encoding a protein of two alternating amino acids. Translation of the artificial GUGU mRNA yielded a protein of alternating cysteine and valine residues. However, this technique alone could ...

It has similar effects to the anabolic steroid Anavar. Branched-chain amino acids (BCAAs) may prevent muscle loss during a ...

The histone proteins of complex cells are named H2A, H2B, H3 and H4. They are assembled into groups of eight, around which a ...