Which of the following statements is incorrect: A cross section of an â€œIâ€ band would not...

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Medical Sciences

Which of the following statements is incorrect:
A cross section of an â€œIâ€ band would not contain myosin
The zone of Overlap gets bigger when â€œZâ€ lines move closertogether
The Myosin head bonds to the active site of a G actinmonomer
The â€œAâ€ band shortens when a sarcomere contracts
2. Depolarization down a T Tubule Results in the activationof:
SERCA
RyR
CSQ
DHPR
3. How many â€œIâ€ bands are present in one sarcomere:
0
1
2
3
4
4. Which region of a sarcomere gets wider duringcontraction:
H zone
Zone of overlap
A band
I band
5. What is the function of the smooth endoplasmic reticulumcalcium ATPase (SERCA):
Pump calcium out of a t tubule
Pump calcium into a t tubule
Pump calcium back into the SR
Pump calcium out of the SR

Answer & Explanation Solved by verified expert

3.7 Ratings (623 Votes)

1The incorrect statement is option d A band shortens when asarcomere contractsExpalnation During muscle contraction A band remainsunchangedI band shortens Cross section of I band contains only actin But crosssection of A band contain both actin and myosin Overlapping regionis included in A bandMyosin head binds to the active site of a G actin monomer iscorrect statementActin is See Answer

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Which of the following statements is incorrect: A cross section of an â€œIâ€ band would not...