The electron transport chain is the final step in cellular respiration and this process occurs along the inner membrane of our mitochondria .Inside our mitochondria ,the cells energy producing organelle,there is a membrane.
Answer:
IGCSE**
u can just go through the book
<span>Alleles are each of two or more alternative forms of a gene that are found at the same position in a chromosome. Traits on the other hand, are the characteristics that are defined by genes. So the combination of alleles for a gene is what manifests itself into a trait.</span>
Water. the only 4 macromolecules are nucleic acid, carbohydrate, lipids, and protein
So he doesn't fall and drown
