Biology, 16.11.2019 00:31 Lesquirrel
Which of the following statements regarding contraction of a skeletal muscle fiber is true?
a) thick filaments shorten when muscle fibers contract.
b) some contractions occur without activation of myosin heads.
c) contracting muscle fibers do not always shorten.
d) contraction does not always require the occurrence of an action potential.
e) contraction only occurs following summation of action potentials from many motor neurons.
Answers: 3
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The diagram below represents a chloroplast found in a typical plant cell. which of the following processes occurs inside this structure? question 8 options: a oxygen is produced b sunlight is trapped c glucose is produced d all of the above.
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Which of the following statements regarding contraction of a skeletal muscle fiber is true?
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