What term means that both alleles are different?
A. locus
B. alleles
C. homozygous
D. heterozygous
E. karyotype
D
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The gastroenterologist has just determined that you have a blockage in your jejunum and he will have to perform surgery, making a small incision in the wall to remove the obstruction. Which tunic will be cut first?
A. Adventitia B. Mucosa C. Serosa D. Submucosa E. Tunica muscularis
Exocytosis is a form of secondary active transport.
Answer the following statement true (T) or false (F)
The lateral horns of the spinal cord contain
A. axons of motor neurons and interneuron cell bodies. B. axons of sensory and motor neurons. C. cell bodies of somatic sensory neurons. D. axons of sensory neurons and interneuron cell bodies. E. cell bodies of autonomic motor neurons.
The strength of a stimulus is coded by the ____
a. strength of action potentials b. frequency of action potentials c. duration of the resting period d. duration of the refractory periods e. frequency of salutatory periods