Answer:
ovule, plant structure that develops into a seed when fertilized. ... A small opening (the micropyle) in the integuments permits the pollen tube to enter and discharge its sperm nuclei into the embryo sac, a large oval cell in which fertilization and development occur.
A.... This is known as hydrogen bonding because the highly electronegative Oxygen in on molecule of water is attracted to the Hydrogen of another.
Answer:
Explanation:
Plants infected with white rot may have a cottony white or grey mass of fungal ... The disease can occur on all the vegetable alliums but tends to be more serious on garlic ... The fungus is an important pathogen on a number of non-allium crops ... a brown discoloration and rot, so that the shoot easily detaches from the base.
Difussion,semipermeableand osmosis