C because cellular respiration uses combine oxygen and other toxic waste.
Answer:
The characteristic features of the phylum Chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a tailgut.
Hope this helps
It has been a while since biology...but if there is one thing I definitely remember, it is the replication process of DNA.
Once the cell is ready to commence the process of replication, it begins by unzipping the double helix. This task is completed by an enzyme called the DNA Helicase. Then a DNA Polymerase takes half of the unzipped DNA strand and creates corresponding deoxyribonucleotides.
Hope I could help! Have a good one.
