Loosely coiled nucleosomes are known as
A) lysosomes.
B) nucleoli.
C) chromatin.
D) the nuclear envelope.
E) histones.
C) chromatin.
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Answer the following statements true (T) or false (F)
1. The external auditory canal connects the throat to the middle ear and can allow the spread of infection from the throat to the middle ear. 2. The inner ear is responsible for the sense of hearing and equilibrium. 3. The bony labyrinth is divided into three parts: the cochlea, the vestibule, and the semicircular canals. 4. The membranous labyrinth is filled with endolymph. 5. The crista ampullaris is stimulated when you move your head.
Fertilization normally occurs in the:
a. ovary b. oviduct c. uterus d. vagina
What is the parasympathetic nerve supply to the SA and AV nodes?
a. vagus nerve b. trigeminal nerve c. accessory nerve d. cardiac nerve e. long thoracic nerve
Which organs of the digestive tract lack digestive enzymes?
A. Stomach and large intestine B. Esophagus and large intestine C. Mouth and esophagus D. Mouth and pancreas E. Small and large intestines