Double fertilization is a complex fertilization mechanism of flowering plants. This process involves the joining of a female gametophyte with two male gametes. It begins when a pollen grain adheres to the stigma of the carpel, the female reproductive structure of a flower.
Enzymes act as catalysts that remain unmodified as they increase the rate of a chemical reaction.
The biogeochemical cycle in which carbon is exchanged between Earth's terrestrial biosphere, hydrosphere, geosphere, and atmosphere is called the carbon cycle. The global carbon budget is the balance of the fluxes of carbon between these four reservoirs.
The awnser is B my good sir
Answer:
mRNA
Explanation:
why because the process begins of transcription is
RNA polymerase