D.lets things enter or exit the cell
Cellular respiration uses energy in glucose to make ATP. Aerobic (“oxygen-using”) respirationoccurs in three stages: glycolysis, the Krebs cycle, and electron transport. In glycolysis, glucose is split into two molecules of pyruvate.
Platelets would help the blood clot, therefore preventing blood loss. White Blood Cells would help protect against infection. So, I believe the answer would be platelets & white blood cells.
A. producer. In their biological process they produce energy. They are very important in the ocean.
Hoped I helped!
