Motor neurons whose cell bodies are within the spinal cord are called ________ neurons
A) upper motor
B) lower motor
C) preganglionic
D) postganglionic
E) somesthetic
B
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The muscle just superior to the spine of the scapula that is part of the rotator cuff is the
A) subscapularis. B) teres minor. C) coracobrachialis. D) infraspinatus. E) supraspinatus.
The ureters
A) are retroperitoneal. B) float freely within the abdominal cavity. C) have specialized subdivisions called the urethrae. D) take exactly the same path to the bladder in men and women. E) None of the answers are correct.
What molecule in the nucleus contains instructions for making proteins?
A) histone molecules B) DNA C) RNA D) ATP E) enzymes
The pre-embryonic structure created by cleavage is a solid ball of cells called a
A. zygote. B. trophoblast. C. blastocyst. D. morula.