This is an experiment where the researcher manipulates one variable, and control/randomizes the rest of the variables. It has a control group, the subjects have been randomly assigned between the groups, and the researcher only tests one effect at a time.
<span>Initially, Baby Suggs was transformed into a kind of holy woman for the black community of Cincinatti. This was when she experienced freedom and realized the meaning of being alive. However, with Sethe's tragedy, Baby Suggs felt broken, and later on, spent her last days bed-ridden and in gloom. </span>
Sample b is the control group because it’s the group not being tested and being kept the same.
DNA is a chain of nucleotides bonded together. On that chain there are particular portions of it that the sequence of the nucleotide codes for particular proteins; this is known as a gene. In eukaryotric cells, DNA is coiled around proteins such as histones to form chromatids which when two join at the centre by a centromere to form a chromosome.
The endocrine system uses chemicals