Answer:
pollen grain
Explanation:
Embroyo sac is a useful thing in plants reproduction
- It is actually a female gametotype.
It gets reproduced through pollination
Vacuoles, they ares used for storage and are always larger in plant cells.
The synthesis is called the Promoter region.
Because it marks your irreprisenative hereditary traits to your brain, thus creating special instructions for quality living.