A vaccine is available to prevent infection with (herpes/HIV/HPV)
What will be an ideal response?
HPV
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The expression of a single allele is associated with which of the following?
A. X-inactivation B. Genomic imprinting C. Maternal inheritance D. Extra nuclear inheritance
Select the incorrectly-matched osmoregulatory organ and the organism that uses it.
A. Malpighian tubules—insects B. antennal glands—mollusks C. protonephridia—flatworms D. nephridia—annelids E. kidney—fish
An ecological niche
A) is formed by the physical environment only. B) is a constantly changing place. C) is the same thing as a habitat. D) cannot be shared by two species. E) depends on the weather.
The vascular bundle in the shape of a single central cylinder in a root is called the _____
A) cortex B) stele C) periderm D) pith