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Science
terms and people
Term | Definition |
---|---|
erwin chargaff | Through careful experimentation, Chargaff discovered two rules that helped lead to the discovery of the double helix structure of DNA. |
dna | deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. |
structure of dna | double helix or a twisted ladder with a sugar/phosphate backbone |
nucleotide | the sub unit for DNA |
double helix | the twisted ladder shape of DNA |
Rosalind Franklin | British biophysicist and X-ray crystallographer who made critical contributions to the understanding of the fine molecular structures of DNA |
Watson And Crick | found the double helix strucure |
t cells | T helper cell (TH cells) assist other white blood cells in immunologic processes, |
b cells | The principal functions of B cells are to make antibodies against antigens |
pathogens | a fancy name for a virus |
antibodies | is a large Y-shape protein produced by B cells that is used by the immune system to identify and neutralize foreign objects such as bacteria and viruses. |
types of blood | a+,a-,AB+,AB-, B+,B-,O+,O- |