DNA
Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms . The main role of DNA molecule s is the long-term storage of information . DNA is often compared to a set of blueprints, since it cont more
Alfred Russel Wallace
Alfred Russel Wallace OM , FRS (8 January 1823 – 7 November 1913 ) was a British naturalist , explorer , geographer , anthropologist and biologist .
He did extensive fieldwork first in the Amazon River basin, and then in the Malay Archipelago , where he identifie more
Enzyme inhibitor protease in a complex with the protease inhibitor ritonavir . The structure of the protease is shown by the red, blue and yellow ribbons. The inhibitor is shown as the smaller ball-and-stick structure near the centre. Created from PDB 1HXW .
Enzyme inhibitors are molecule s that more
Antioxidant glutathione . The yellow sphere is the redox-active sulfur atom that provides antioxidant activity, while the red, blue, white, and dark grey spheres represent oxygen, nitrogen, hydrogen, and carbon atoms, respectively.
An antioxidant is a molecule capable of slowing or preventing th more
Tuberculosis
Tuberculosis (abbreviated as TB for tubercle bacillus or Tuberculosis) is a common and deadly infectious disease caused by mycobacteria , mainly Mycobacterium tuberculosis . Tuberculosis most commonly attacks the lungs (as pulmonary TB) but can also affect the central nervous syst more