Answer:
the I bands to appear smaller
Explanation:
I band is the lighter and a less dense area of the sarcomere. It contains no thick filaments. A Z disc passes through the center of each I band. During muscle contraction myosin heads become attach to and slide along the thin filaments at both ends of a sarcomere. It pulls the thin filaments toward the M line and makes the thin filaments slide inward and meet at the center of a sarcomere. This inward movement of thin filament allows their ends to overlap.
As the thin filaments slide inward, I band and H zone narrower. I band and H zone become disappear altogether when the muscle is maximally contracted. The width of the A band and the lengths of the thick and thin filaments remain unchanged.
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Answer:
Type I.
Explanation:
The statistical hypothesis can be used in the scientific experiments to explain any observation or the results. Two main types of hypothesis are null hypothesis or alternate hypothesis.
Sometime error might also be done by the individual while accepting any hypothesis. In Type I error, the individual rejects the correct hypothesis and accept the alternate hypothesis which is wrong. Dr. Mai has also done Type I error in her experiment.
Thus, the answer is Type I.
