Answer:These contractile elements are virtually identical to skeletal muscle. ... (a) Cardiac muscle cells have myofibrils composed of myofilaments arranged in sarcomeres, ... The refractory period is very long to prevent the possibility of tetany, a ... At this point, the calcium ion channels close and K+ channels open, allowing outflux ..
Explanation:
Both the fantasin gene and the imaginin gene will be transcribed at high levels when activators specific for control elements A, B, C, D, and E are present in the cell.
Control elements C, D, and E are distal control elements for the imaginin gene.
<span>The fantasin gene will be transcribed at a high level when activators specific for control elements A, B, and C are present in the cell.</span>
Well, that’s a picture of mitochondria That turns glucose into ATP, or energy and it does lactic acid fermentation, and alcohol fermentation, In a process called Glycolysis. So your answer is C.