What type of junction prevents stomach acids from leaking into the gut cavity?
a. tight junctions
b. elastic junctions
c. basement membranes
d. desmosomes
e. gap junctions
ANSWER: a
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A) twenty years B) the average time between a mother's first offspring and her daughter's first offspring C) the average time between a father's first offspring and his son's first offspring D) the average time between parents' first offspring and their child's first offspring
Which of the following molecules is the pentose sugar found in RNA?
A) 1 B) 6 C) 12 D) 13
What might result from the overwatering of houseplants and garden plants?
A) an increase in chlorophyll within the leaves B) decreased rates of transpiration C) dormancy due to loss of leaves D) the formation of hydroids
The capacity of the pathogen or disease-causing agent to survive outside the host and to exist or thrive in the environment.
a. susceptibility b. viability c. virulence d. none of the above