Human muscles are a mosaic of skeletal fiber types. Which of the following statements is correct about athletes and fiber types? Mark all that apply.

When oxygen levels decline within the mitochondrion, oxygen stored in the _________ of the striated muscle cell will be released and diffuse into the mitochondrion. 

Which energy-producing pathway in skeletal muscle is faster because it has fewer steps?

The color of the layer depicted is created by carbon monoxide released from burning wood binding to myoglobin. Name this layer that is adored by barbeque fans.  

Which type of skeletal muscle fiber has the lowest density of mitochondria?

Which type of skeletal muscle fiber has the lowest levels of myoglobin?

Which of the following statements is correct about type IIB fibers? Mark all that apply.  

In the refrigerator, beef (e.g. hamburger) will turn brown after a few days. Beef when cooked will also turn brown. The mechanism is the same. What happens?

What acts as local reservoir for oxygen within a muscle cell and ensures mitochondria have the oxygen they need for ATP production?

What is the translation of myo- in the term myoglobin?