Pancreatic acinar cells produce and store hydrolytic enzymes in zymogen granules until hormones signal the cell to release the enzymes in a process known as
A) transport secretion.
B) regulated secretion.
C) constitutive secretion.
D) intracellular secretion.
E) consistent secretion.
Answer: B
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Which of the following reflects a primary difference between transmission and scanning electron microscopy?
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Progeria is a genetic condition that causes ____
a. pattern baldness as early as age twenty b. socially inappropriate vocal outbursts and muscular twitches c. a high incidence of cancer with any exposure to sunlight d. muscular and mental deterioration shortly after puberty e. premature aging which typically leads to death in the early teens
An example of pharming is ____
a. photosynthetic bacteria that clean up oil spills b. transgenic sheep that produce a protein required for normal blood clotting in humans c. E. coli that synthesize restriction enzymes for use in genetic engineering d. yeast that produce ethanol for use as fuel in vehicles e. a genetically modified crop plant that is resistant to pesticide