Question

1.
2.
3.
4.
5.
word bank: mitochondria endoplasmic reticulum centriole cell membrane central vacuole cytoplasm chloroplast nucleolus

Explanation:

1. The large structure labeled #1 is the central vacuole which stores water and other substances in plant - cells.
2. The layer just inside the cell wall labeled #2 is the cell membrane which controls the movement of substances in and out of the cell.
3. The oval - shaped organelle labeled #3 with a double - membrane structure is the mitochondria, the powerhouse of the cell.
4. The jelly - like substance filling the cell labeled #4 is the cytoplasm where many cellular processes occur.
5. The green, disc - shaped organelle labeled #5 is the chloroplast which is the site of photosynthesis.

Answer:

1. central vacuole
2. Cell Membrane
3. Mitochondria
4. Cytoplasm
5. Chloroplast