If the haploid number for an organism is 20, the number of chromosomes in each gamete will be
A. 5.
B. 10.
C. 20.
D. 40.
C. 20.
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What is a function of the sympathetic nervous system?
a. Dilating the bronchi b. Slowing the heart rate c. Stimulating bile secretion d. Causing the bladder to contract
Which of the following tissue types are found only in the zone of cell division of the root tip?
A. ground meristem B. endodermis C. xylem & phloem D. None of these are restricted to just the zone of cell division of the root tip. E. All of these are restricted to the zone of cell division of the root tip.
When hydrogen and oxygen combine to form water, water would be
a) a product b) a reactant c) both a product and a reactant d) neither a product nor a reactant
A human fecal sample is examined and found to contain a few strobila. The person is probably infected with
A) Echinococcus granulosus. B) Giardia intestinalis. C) Taenia. D) Schistosoma. E) Necator americanus.