Multiple Choice
The muscles of a recently deceased animal can remain in a contracted state,termed rigor mortis,for several hours due to the lack of
A) phosphorylated myosin.
B) ATP needed to break actin-myosin bonds.
C) calcium ions needed to bind to troponin.
D) oxygen supplies needed for myoglobin.
E) sodium ions needed to fire action potentials.
Correct Answer:
Verified
Correct Answer:
Verified
Q40: Male elephant seals routinely fight (sometimes to
Q41: In a relaxed skeletal muscle,actin is bound
Q42: Curare,a substance that blocks the acetylcholine receptors
Q43: Animal behavior that includes searching for,capturing,and eating
Q44: The hydrostatic skeleton of the earthworm allows
Q46: While at a zoo,you notice that a
Q47: What do skeletal,cardiac,and smooth muscle have in
Q48: Animals that help other animals of the
Q49: Skeletal muscle contraction begins when calcium ions
Q50: Which of the following is the correct