Author Question: When a skeletal muscle fiber contracts, the A) H bands and I bands get larger. B) zones of overlap ... (Read 43 times)

APUS57 · **on:** Feb 28, 2019

When a skeletal muscle fiber contracts, the
A) H bands and I bands get larger.
B) zones of overlap get larger.
C) Z lines move further apart.
D) width of the A band increases.
E) All of the answers are correct.

Question 2

All of the following proteins are part of the thin filaments except
A) actin.
B) tropomyosin.
C) troponin.
D) titin.
E) None of the answers is correct; there are no exceptions.