Where do the citric acid cycle reactions occur?
a. cytoplasm.
b. cytosol.
c. inner-mitochondrial membrane.
d. outer-mitochondrial membrane.
e. mitochondrial matrix.
E
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Which of the following is the correct sequence of events for muscle contractions?
A) muscle cell action potential, neurotransmitter release, ATP-driven power stroke, calcium ion release from SR, sliding of myofilaments B) motor neuron action potential, neurotransmitter release, muscle cell action potential, release of calcium ions from SR, ATP-driven power stroke, sliding of myofilaments C) neurotransmitter release, motor neuron action potential, muscle cell action potential, release of calcium ions from SR, ATP-driven power stroke D) neurotransmitter release, muscle cell action potential, motor neuron action potential, release of calcium ions from SR, sliding of myofilaments, ATP-driven power stroke
Severe diarrhea leads to a decrease in the pH of the blood.
Answer the following statement true (T) or false (F)
Daniel was in a skiing accident and bruised the spinocerebellar tracts of his spinal cord. What kind of information do these tracts carry? Explain their function
What will be an ideal response?
Of the muscles that move the forearm,
A) some originate on the scapula. B) none originates on the forearm. C) all originate on the humerus. D) all originate on the forearm. E) None of the answers are correct.