Answer:(We breathe because oxygen is needed to burn the fuel [sugars and fatty acids] in our cells to produce energy.) What happens in the process of respiration? ... (The energy station of the cells, called mitochondria, process oxygen to power the cells. As part of the combustion process, carbon dioxide is released.)hope it helped in someway ig idk
Explanation:
The pollen grain is actually the male gametophyte generation of seed plants. Inside the anther, pollen mother cells divide by meiosis to form pollen grains whose nuclei contain half the number of chromosomes characteristic of the parent plant.
(hope that helped answer the question)
A. a six carbon molecule of glucose is converted to 2 sets of pyruvates, or pyruvaic acids. Glycolysis - "glyco"- sugar "lysis"-breaking down. So glycolysis means splitting of glucose.
Answer: introns (DNA that doesn't code for protiens)
