Because eukaryotes have a nucleus and that is where they hold DNA in a prokaryote they do nit havw a nucleus and can not hold DNA the same way eukaryotes do
Answer:
Case study
Explanation:
A case study is a kind of study used in social sciences in which the researcher observes an individual/group/event in a very in-depth manner. Case studies give a lot of information about the person or group who is being studied and let the researcher make causal inferences (because of the in-depth observation) and the researcher gets a better understanding of the situation.
In this question, the psychologist faces an ethical dilemma of needing to remove a potentially beneficial treatment. However, using a case study, she wouldn't need to do so because she could observe the autistic child in his environment without changing it, because the case study is an observing explanatory study. Therefore, the ethical dilemma would be eliminated and she could draw conclusions from the study.
The term scarcity in economics refers to the fact that:
a. economic wants are limited and resources are abused
b. even in the riches country some people go hungry
c. no country can produce enough products to satisfy everybody's economic wants
d. it is impossible to produce too much of any particular good or service in a market economy