Oil Coal and Natural Gas are the fossil fuels the USA has the most reserves of. Given that only one of them is on the answers Coal is the correct answer.
Answer: A). Flatworms
The illustration shows planaria which is a free living organism. It has flat shape and simple structure. This animal belongs to group of Flatworms. The flatworms do not have well developed respiratory and circulatory systems, these are simple organisms which derive the oxygen and nutrients by diffusion.
Answer:
The mouse CFTR gene and human CFTR gene encode proteins that can serve a similar function.
Explanation:
CFTR (Cystic fibrosis transmembrane conductance regulator) gene that codes for the membrane protein. This gene is responsible for the transport of the chloride ions in the cell.
Any mutation in CFTR gene can cause the lung diseases in individual. As shown in the experiment the mouse gets normal when given normal human CFTR gene. The CFTR gene plays the similar role and function in both huamn and mouse.
Thus, the correct answer is option (C).
True
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