1. Why are lysosomes important to health of cells?
A. They break down worn-out cell parts that are no longer needed.
2. Which of the following organelles provide structure and rigidity to a plant cell?
B. Cell wall
3. What would happen to a plant if the chloroplast in it's cells became damaged?
A. The plant would not make glucose and oxygen
4. A cell sends messages to itself via ______.
B. Autocrine signalling
5. Which activity produces an action potential in nerve cells?
D. exchange of irons
There all correct trust me T_T
