A deficiency of folic acid could result in a bleeding disorder.
Answer the following statement true (T) or false (F)
False
Folic acid is needed to make hemoglobin and genetic material.
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Steroid hormones
A) are proteins. B) cannot diffuse through cell membranes. C) bind to receptors in the nucleus of their target cells. D) act on target cells by activating second messenger cascades. E) are transported in the blood dissolved in the plasma.
Heart failure is more likely to occur in an old dog than a young dog
Indicate whether the statement is true or false
In smooth muscle, the thin filaments are attached to ________ that will draw the cell inward during contraction.
A. myosin B. thick filaments C. Z lines D. dense bodies
The upper motor neurons that control skeletal muscles begin with a soma in the ________
A) postcentral gyrus of the cerebrum B) motor association cortex of the cerebrum C) precentral gyrus of the cerebrum D) posterior horn of the spinal cord E) anterior horn of the spinal cord