Respuesta :
Answer:
Explanation:
Cells generate energy from the controlled breakdown of food molecules. ... View Terms of Use molecules that other cells rely on for the energy required to sustain growth, metabolism, ... proteins that span the cell membrane permit specific molecules into the cell, Figure 2: Cells can incorporate nutrients by phagocytosis.
Answer:
Why is it important that the cell membrane contains openings into the cell?
A. The opening allows the cell to grow larger.
B. The openings are only used for carbon dioxide to leave the inside of the cell.
C. The openings in the cell membrane allow DNA to come in and out of the cell.
D. The opening allows chemicals such as oxygen and other nutrients into the cell.
Explanation:The answer is D.