Examlex
Deduce the identity of the following compound from the NMR data given.
C4H6O2: 1H NMR, δ 2.28 (2H, multiplet), 2.50 (2H, triplet), 4.35 (2H, triplet);
13C NMR, δ 177.81 (singlet), 68.58 (triplet), 27.70 (triplet), 22.17 (triplet) (ppm)
Self-incompatibility Genes
Genetic mechanisms in plants that prevent inbreeding and promote cross-pollination by inhibiting fertilization by pollen from the same or closely related individuals.
Sexual Reproduction
Sexual reproduction is a biological process where organisms produce offspring through the combination of genetic materials from two different cells.
Fusion
The process or result of joining two or more things together to form a single entity.
Polar Nuclei
In plants, the two nuclei in the central cell of the female gametophyte that fuse with one sperm nucleus to form the triploid endosperm, nourishing the developing embryo.
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