<span>Logical conclusions based on careful measurements are likely to be correct.</span>
The task of the respiratory system is the exchange of Oxygen and Carbon Dioxide within the body; however, the respiratory system alone has no mechanism for the transfer of oxygen from the lungs to the body for absorption and transfer of carbon dioxide from the body for expulsion. The cardiovascular system assists in this by moving oxygen-saturated blood from the lungs to different parts of the body and carbon dioxide rich blood from the body to the lungs.
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Answer: Option C) selective barrier that separates nuclear and cytoplasmic constituents, localizes chromosomes within the cell, and sequesters many of the mRNA processing activities from the cytosol.
Explanation:
The nuclear membrane is a double membrane surrounding the nucleus of eukaryotes. It consists of outer and inner membranes perforated by nuclear pores. Thus, it serves as a selective barrier between the nucleus and cytoplasm, also restricting post translational modification activities to the nucleus. As well, the nuclear envelope is absent in prokaryotes.
