What enzymes or hormone are secreted by the juxtaglomerular cells?
a. trypsin and insulin
b. papain and arachidonic acid
c. renin and erythropoietin
d. lignin and estradiol
c. renin and erythropoietin
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When using lacZ containing vectors, colonies containing intact vector turn blue
Indicate whether this statement is true or false.
Oysters and many other mollusks produce many offspring of which only a few survive to adulthood and then have little risk of predation with their strong adult shells. Oysters are an example of an organism with a type ______ survivorship curve.
A. 0 B. I C. II D. III E. IV
An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (naturally) wavy hair. What is the relationship between the alleles for hair texture?
A) pleiotropy B) incomplete dominance C) wavy hair dominant to both straight and curly hair D) codominance
Mice lacking the ability to make caspase-9 die as the result of numerous defects. During the necropsy (animal autopsy) of the animal you note that the brains of these mice are
A) unregulated growth of the nerve cells. B) lack of apoptosis of some cells. C) overstimulation of G-protein-mediated transduction. D) overproduction of the Etr1 receptor protein. E) all of the above