Fertilization Steps Flashcards
1
Q
- Pollen grain lands in stigma:
When pollen grain lands, stigma secretes _ solution
A
Sucrose
2
Q
- Pollen grain lands in stigma:
Sucrose prompts pollen to grow a _
A
Pollen tube
3
Q
- Pollen grain lands in stigma:
Tip of pollen tube secretes digestive enzymes, allowing it to _
A
Grow down the style
4
Q
- Pollen grain lands in stigma:
On reaching the ovary, pollen tube enters _
A
An ovule
5
Q
- Fertilization of ovary:
_ from pollen grain travel down tube into the ovule
A
Two sperm
6
Q
- Fertilization of ovary:
One fuse with egg cell to form zygote, which grows into embryo, other fuse with _
A
Two other female nuclei
(Endosperm)
7
Q
Micropyle is an opening at bottom of _ at bottom of style
A
Ovary
8
Q
- Fruit grows:
Ovule becomes seed and ovary becomes _
A
Fruit
9
Q
- Fruit grows:
_ become the pericarb
A
Ovary wall
10
Q
- Fruit grows:
Flower petals shed, fruit grows, accumulates sugar as _
A
Seed matures
