Answer:
Negative
Explanation:
There are more electrons (negative charge) than there are protons (positive charge).
The walls of xylem cells are lignified (strengthened with a substance called lignin ). This allows the xylem to withstand pressure changes as water moves through the plant.
The cell membrane is flexible because of the presence of oil like substances called phospholipids, which gives it a fluid nature. While as the cell walls are rigid because of the presence of the thick layers of the substances like cellulose in plants, chitin in fungi and peptidoglycon in bacteria.
The definition is:genetics definition<span>. The study of heredity, or how the characteristics of living things are transmitted from one generation to the next. Every living thing contains the </span>genetic material<span> that makes up DNA molecules. This</span>material<span> is passed on when organisms reproduce.</span>
A is your answer. When only one parent produces the offspring, they are essentially cloning themselves, and it is called asexual reproduction. The offspring only have the genes of the one parent. A lack of genetic diversity is one of the drawbacks to asexual reproduction.
