Which type of phagocytic immune cell would you find in the nasal epithelium?
A. monocyte
B. macrophage
C. basophil
D. mast cell
E. natural killer cell
B. macrophage
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Double fertilization produces a ___________ embryo and a _________ endosperm.
A. haploid, diploid B. diploid, haploid C. diploid, triploid D. triploid, diploid E. haploid, triploid
Halophytes are plants that live in saline soils. The high osmotic potential of the salt solution in the soil creates a very negative water potential. What can halophytes do so that water will flow into the roots?
A. They can open all their stomata so that transpiration "pulls" more water into the roots. B. They can remove the mycorrhizal fungi from their roots decreasing the competition for water. C. They can close their stomata so that less water is lost through transpiration. D. They can increase the solute concentration in their roots creating a water potential that is more negative than the soil. E. They can pump ions out of the plant creating a water potential in the roots that is more positive than the soil.
For a person who has any type of chromosomal abnormality, what factor(s) has/have the greatest impact on both physical and cognitive potential?
A. Prenatal testing and diagnosis B. The number of affected family members C. Personal family environment and social interaction D. The number of chromosomes involved with the abnormality
Four of the five answers listed below are the results of fertilization. Select the exception
a. fruit b. seed c. embryo d. pollen e. endosperm