Enzymes have an attachment site called the active site for the enzyme and substrate <span>to join.
Happy studying ^-^</span>
Answer:
It would be D. Mitotic spindles form
A .Structurally support the cell
B.Store nutrients for the cell to consume
C. Produce ATP to provide energy for the cell
D. Selectively allow some materials into the cell
It would be A
The Cell membrane is like a wall it allows things to pass though regulated.
Hope that helps
