Glycerol is the main base in triglyceride.
D. homologous chromosomes pair up
The smallest unit of matter that has the characteristic properties of it’s element is called an “atom”.
Individual atoms are called “elements” for that reason.
There are smaller divisions of matter, however those no longer have the characteristics of the element that they may be a part of. A hydrogen electron is indistinguishable from an argon electron, or any other.
Functional and economically most important mineral in nutrition of layers
is calcium, primary because of egg production, i.e. forming of the egg shell.
