A mistake during segregation of chromosomes is called ________.
A. nondisjunction
B. deletion
C. aneuploidy
D. point mutation
E. duplication
Answer: A
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Which of the following is not a function of the autonomic nervous system?
A) innervation of smooth muscle of the digestive tract B) innervation of cardiac muscle C) innervation of glands D) innervation of skeletal muscle
The complex network of tiny islands of gray matter in the brain, that upon
receiving incoming sensory impulses responds by activating wakefulness in the cerebral cortex, is the A) limbic system. B) dentate nucleus. C) reticular formation. D) corpora quadrigemina.
Smokers are more susceptible to respiratory infections because
A) their respiratory passages lose cilia, which would otherwise remove bacteria. B) their respiratory passages overproduce cilia, to which bacteria cling. C) the respiratory passages have too little mucus. D) they congregate in small areas to smoke.
Length of the small intestine
What will be an ideal response?