DNA also undergoes depurination by spontaneous hydrolysis of the N-glycosyl linkage, and this produces an abasic site (i.e., deoxyribose lacking a base) in the DNA.

TLS Online TPP Program

#Id: 8768

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 6332

#Unit 8. Inheritance Biology

Genic sex determination  - Sex determination in which the sexual phenotype is specified by genes at one or more loci In mammals, a gene (SRY) located on the Y chromosome determines the male phenotype.

TLS Online TPP Program

#Id: 4628

#Unit 13. Methods in Biology

Enzyme-linked immunosorbent assay, commonly known as ELISA (or EIA), is similar in principle to RIA but depends on an enzyme rather than a radioactive label. 

TLS Online TPP Program

#Id: 8811

#Unit 6. System Physiology – Plant

first and second excited singlet states in chlorophyll for a molecule that has two major absorption bands in blue and red.

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#Id: 9214

#Unit 11. Evolution and Behavior

Effective population size(Ne)

Effective number of breeding adults in a population.