Explain why a pseudostratified epithelium is not truly stratified
A) All the cells do not contain a nucleus.
B) All the cells are not columnar.
C) All the cells form a single layer and contact the basement membrane.
D) All the cells' nuclei are round instead of elongated.
E) All the cells are not linked by tight junctions.
Answer: C
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A) axon. B) dendrites. C) soma. D) dendritic spines.
Cellular responses to hormones that initiate second-messenger systems include ________
A) possible activation of several different second-messenger systems B) hormone binding to intracellular receptors C) cyclic AMP phosphodiesterase formation of an active second messenger D) formation of a specific protein kinase that acts on a series of extracellular intermediates
Inflammation
A) is a type of infection. B) is a result of exposure to very low temperatures. C) is an abnormal response to injury or stress. D) is a normal response to stress or injury.
The expression of genetics through an individual's appearance and characteristics is the:
A) genotype B) phenotype C) karyotype D) none of the above