Answer:
All of the above.
Explanation:
Garden peas were used by Mendel for experiment and are good choice of studying heredity because they have the ability to control their fertilization and transfer pollen . They can engage in either self fertilization or cross's fertilization.
Garden peas are easy to grow and they can be bred very easily and they have alot of traits that can easily be observed i.e their characteristics are visible and they produce many offsprings.
They are of different varieties.
Nerves that send signals to the brain to tell you what your feeling
The main advantage of monomers or basic subunits of macromolecules is their simplicity. The simple monomeric subunits from which all proteinsnucleic acids, fats and carbohydratesare constructed are few in number and identical in all living species.These simple monomerc units can be linked in many different combinations (different covalent bonds) to produce complex biological polymers with different functions.