Each of these things — along with every other organism on Earth — contains the molecular instructions for life, called deoxyribonucleic acid or DNA. Encoded within this DNA are the directions ...
so histones bind with DNA very tightly. The basic repeating structural (and functional) unit of chromatin is the nucleosome, which contains eight histone proteins and about 146 base pairs of DNA ...
A gene is a fundamental unit of heredity, consisting of a specific sequence of DNA that encodes the instructions for making a particular protein or set of proteins. Genes are passed down from parents ...
For more basic information about genes ... Only a few samples were processed as DNA resources, and the source names remain confidential, so neither donors nor scientists know whose DNA is being ...
DNA can be cut up and separated, which can form a 'bar code' that is different from one person to the next. The basic units (monomers) of DNA are nucleotides. These nucleotides consist of a ...
About 19,000 years ago, a woman from a group of hunter-gatherers died and was buried in a cave in northern Spain. In 1996, ...
Sunburn has traditionally been attributed to UV-induced DNA damage, but it turns out that this is not the full truth.