Want this question answered?
the nucleus
A polyamide is a polymer containing monomers of amides. (nitrogen)A polysulfone contains the subunit aryl-SO2-aryl, the defining feature of which is the sulfone group. (sulfur)
An Isotope of an element is an atom that has the same number of protons, (number of protons is the defining feature of an element) but different number of neutrons.Because The mass number is the sum of protons and neutrons, different isotopes have different mass numbers.
mass
characteristics
Hubert M. Blalock has written: 'Theory construction' 'Causal inferences in nonexperimental research' 'Causal inference in nonexperimental research'
how to distinguish between quasi-experimental and nonexperimental research
the nucleus
incorrectly defining the research question
The defining feature of a nation-state is that it will have a constituent citizenry, a government and defined borders. A constituent citizenry also means a fixed territory in which it claims jurisdiction and sovereignty.
John Stuart Mill
A jelly fish. Cnidarian's have a sting cell called a cnidnocyte which is the defining feature.
Prokaryotic cells, unlike eukaryotic cells, do NOT contain a nucleus.
not really, bacteria and viruses can also reproduce and by definition they are not 100% alive
Art always has meaning
Research the problem fully...
You will never be able to figure out how to conduct your research if you do not have a well defined research problem, stating what it is that you want to find out, and why that subject is of interest.