The rough er is connected to the plasma membrane
El receptor de ácido de Lewis
Answer:
no
Explanation:
you have DNA in your cells its all one thing together but not the same i believe
“Snakes have tiny hind legs bones, indicating that they likely descended from lizards.” Is the best choice. Vestigial structures are body parts that have no use for the organism as it has evolved and did not need it.
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? (Oxygen is brought into the lungs via breathing, where it is transported by red blood cells to the entire body to be used to produce energy.