Since the air is a great thermal isolator, the windows prevent heat exchange better than one made out of a single thick sheet of glass. The air between the thin blankets is not moving around and will form an isolating layer that acts exactly like another blanket, thus improving the thermal isolation
They are predators, they can climb up and down very sleep slopes
Rough ER is studded with ribosomes and the Smooth ER has a smooth surface ..
Here is the complete question
When an individual is exercising heavily and when the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells?
A. It is converted to NAD+.
B. It produces CO2 and water.
C. It is taken to the liver and converted back to pyruvate.
D. It reduces FADH2 to FAD+.
E. It is converted to alcohol.
Answer
C. It is taken to the liver and converted back to pyruvate
I believe it would be number 4
