bio 3444 exam 2 questions with answers
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True or false: Smooth muscles are multinucleated - CORRECT
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ANSWERS ✔✔False, single nucleus|\ |\ |\
True or false: Cardiac muscles can have 1 or 2 nucleus -
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CORRECT ANSWERS ✔✔true |\ |\
True or false: Skeletal muscles can have more than 2 nucleus -
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CORRECT ANSWERS ✔✔true |\ |\
Sacromeres are repeated units of a - CORRECT ANSWERS
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✔✔myofibril
what kind of protein is Titin - CORRECT ANSWERS ✔✔structural
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what kind of protein is actin - CORRECT ANSWERS ✔✔contractile
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what kind of protein is troponin - CORRECT ANSWERS
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✔✔regulatory protein |\
binds to troponin thus exposing myosin-binding sites on actin. -
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CORRECT ANSWERS ✔✔calcium |\ |\
, A neuron _____triggers ACh release. - CORRECT ANSWERS
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✔✔action potential |\
binds to receptors, triggering an end-plate potential, which in
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turn generates a muscle action potential. - CORRECT ANSWERS
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✔✔acetylcholine
What is the functional unit of a skeletal muscle called? -
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CORRECT ANSWERS ✔✔myofibril |\ |\
Addition of more myoglobin to a muscle fiber would have the
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largest effect on ________. - CORRECT ANSWERS ✔✔oxidative
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fibers
during a muscle contraction, _______ moves along _______ toward
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the M line. - CORRECT ANSWERS ✔✔actin, mysosin
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Which of the following are regulatory proteins of muscle?a) actin
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and myosinb) dystrophin and titinc) myomesin and nebulin d)
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tropomyosin and troponin - CORRECT ANSWERS ✔✔d |\ |\ |\ |\ |\ |\
The process by which blood cells are formed. - CORRECT
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ANSWERS ✔✔hematopoiesis |\
RBCs contain this oxygen carrying protein, which contains a
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pigment that gives whole blood its red color. - CORRECT
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ANSWERS ✔✔hemoglobin |\
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True or false: Smooth muscles are multinucleated - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔False, single nucleus|\ |\ |\
True or false: Cardiac muscles can have 1 or 2 nucleus -
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CORRECT ANSWERS ✔✔true |\ |\
True or false: Skeletal muscles can have more than 2 nucleus -
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CORRECT ANSWERS ✔✔true |\ |\
Sacromeres are repeated units of a - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔myofibril
what kind of protein is Titin - CORRECT ANSWERS ✔✔structural
|\ |\ |\ |\ |\ |\ |\ |\ |\
what kind of protein is actin - CORRECT ANSWERS ✔✔contractile
|\ |\ |\ |\ |\ |\ |\ |\ |\
what kind of protein is troponin - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔regulatory protein |\
binds to troponin thus exposing myosin-binding sites on actin. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔calcium |\ |\
, A neuron _____triggers ACh release. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔action potential |\
binds to receptors, triggering an end-plate potential, which in
|\ |\ |\ |\ |\ |\ |\ |\ |\
turn generates a muscle action potential. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔acetylcholine
What is the functional unit of a skeletal muscle called? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔myofibril |\ |\
Addition of more myoglobin to a muscle fiber would have the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
largest effect on ________. - CORRECT ANSWERS ✔✔oxidative
|\ |\ |\ |\ |\ |\ |\ |\
fibers
during a muscle contraction, _______ moves along _______ toward
|\ |\ |\ |\ |\ |\ |\ |\ |\
the M line. - CORRECT ANSWERS ✔✔actin, mysosin
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Which of the following are regulatory proteins of muscle?a) actin
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and myosinb) dystrophin and titinc) myomesin and nebulin d)
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tropomyosin and troponin - CORRECT ANSWERS ✔✔d |\ |\ |\ |\ |\ |\
The process by which blood cells are formed. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔hematopoiesis |\
RBCs contain this oxygen carrying protein, which contains a
|\ |\ |\ |\ |\ |\ |\ |\ |\
pigment that gives whole blood its red color. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔hemoglobin |\
