Answer:
A. Haploid (n)
Explanation:
Conifers do not exhibit double fertilization that forms triploid (3n) endosperm in flowering plants.
Endosperm in conifers develops from the haploid cell of female gametophyte before fertilization. Since the endosperm is formed by the mitotic divisions in the haploid cell (n) of female gametophyte, it is haploid (n) in nature.
Lactose because it is a sugar made up of galactose and glucose.
Answer:
Heat
Explanation:
In almost all the energy conversion process some of energy is lost in the form of heat.