A frog's lungs don't work that well, but since it's skin is so thin, oxygen and carbon dioxide can pass trough it.
Answer:
The correct answer is option C.
Explanation:
Human subject research is an investigation or research that include human as the subject. In other words, An Investigator conducts clinical research on humans getting data through interaction and intervention of individuals.
investigator A has investigated biological specimens. These specimens are coded and linked to the identifiers. Investigator B's research using biospecimens human subject is not according to the human subject research in the federal regulations as investigator B did not get the individual identifiers.
Thus, the correct answer is option C.
Mitochondria play a critical role in the generation of metabolic energy in eukaryotic cells.
Answer:
The first and last box. If you don't agree with the first then definitely consider the last box.
Answer:
Ceiling
Explanation:
A situation in which the price charged for some marketed objects becomes more or less than the equilibrium price that is determined by market forces of demand and supply, is called Price Ceiling. Government often uses price ceiling to control the maximum selling price of commodities. By doing this, the commodities are made affordable for the public in country. In house rent market, price ceiling is of great importance.