In the figure shown, which light micrograph shows a muscle tissue that is under involuntary control?
1 A
2 B
3 C
a) 1 only
b) 2 only
c) 3 only
d) 1 and 2
e) 1 and 3
Answer: e
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Prolonged deep inspirations can result from stimulating the ________ center
A) apneustic B) pneumotaxic C) expiratory D) baroreceptor E) chemoreceptor
Which of the following events occurs during anaphase?
A. The nuclear envelope degenerates. B. Chromosomes migrate to opposite poles of the cell. C. Chromatin strands condense to form chromosomes. D. Cytokinesis completes. E. Spindle fibers are formed.
The trachea splits into _______ main stem bronchi?
A. One B. Two C. Three D. Four
Suppose you have two traits controlled by genes on separate chromosomes. If sexual reproduction occurs between two heterozygous parents, what will be the genotypic ratio of all possible gametes?
What will be an ideal response?