Refer to the diagram of a sarcomere below.Which statement based on the diagram is true? 
A) The structure 1 consists of two chains made of monomers.
B) The structure 1 shortens in length as contraction occurs.
C) The structure 2 has a head that hydrolyzes ATP.
D) The zone labeled 3 shortens in length as contraction occurs.
E) The unit labeled 4 maintains a constant length as contraction occurs.
Correct Answer:
Verified
Q1: Which process occurs during shortening of a
Q3: A mutation in the gene encoding troponin
Q4: Which remains constant as a skeletal muscle
Q7: How does tropomyosin control muscle contraction?
A) It
Q8: An individual sarcomere unit consists primarily of
A)
Q9: Which statement about myosin is true?
A) A
Q10: The role of Ca2+ in the control
Q11: When troponin binds calcium,
A) it changes conformation,twisting
Q15: The striated appearance of skeletal muscle is
Q110: A sarcomere is best described as a
A)
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