self incompatibility (Science: plant biology) Inability of pollen grains to fertilize flowers of the same plant or its close relatives. acts as a mechanism to ensure out breeding within some plant species, for example in the case of the s gene complex in brassicas...
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
