A structure composed of two or more tissues is a(n) _______.
Fill in the blank(s) with the appropriate word(s).
organ
Anatomy & Physiology
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At rest, active sites on the actin are blocked by
A) myosin molecules. B) troponin molecules. C) tropomyosin molecules. D) calcium ions. E) ATP molecules.
Anatomy & Physiology
Which of the following describes a depolarization?
A) The membrane becomes less polarized. B) The membrane potential becomes more polarized. C) The membrane, which was formerly not polarized, now is polarized. D) The membrane potential becomes more negative.
Anatomy & Physiology
When NAD+ is ________ it becomes NADH
A) reduced B) oxidized C) hydrolyzed D) catabolized
Anatomy & Physiology
Someone referred to as having "a strong jaw" has a very prominent
A) mouth. B) body of the mandible. C) maxilla. D) mandibular symphysis. E) angle of the mandible.
Anatomy & Physiology