____________________ is a protein complex made of three polypeptide units: one binds to ____________________, one binds to actin, and a third can bind with Ca2+
Fill in the blank(s) with correct word
Ttroponin; tropomyosin
Anatomy & Physiology
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When cholinergic receptors are stimulated,
A) sodium ions enter the postsynaptic neuron. B) sodium ions leave the postsynaptic neuron. C) chloride ions enter the postsynaptic neuron. D) chloride ions leave the postsynaptic neuron. E) norepinephrine deactivates acetylcholine.
Anatomy & Physiology
Decreases in blood pressure turn _____ the thirst center of the brain
A. on B. off
Anatomy & Physiology
Where in the brain does your consciousness reside?
What will be an ideal response?
Anatomy & Physiology
Under ordinary circumstances which of the following blood components is of no physiological significance?
A) Biocarbonate B) Carbaminohemoglobin C) Nitrogen D) Chloride
Anatomy & Physiology