Apoptosis differs from necrosis in that necrosis ________________
(a) requires the reception of an extracellular signal.
(b) causes DNA to fragment.
(c) causes cells to swell and burst, whereas apoptotic cells shrink and condense.
(d) involves a caspase cascade.
(c)
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Once a scientific theory becomes a law, it
A) cannot be changed. B) cannot be challenged. C) becomes static. D) is subject to modification. E) is irrefutable.
Suppose that an equal amount of each polysaccharide was placed in a landfill. Which polysaccharide should last the
longest before it is decomposed?
a. chitin b. amylopectin c. cellulose d. glycogen e. amylose
The cis face of the Golgi complex is most directly involved in which of the following?
a. packaging molecules in vesicles b. accepting vesicles from the ER c. synthesizing proteins d. transporting molecules out of the Golgi e. catalyzing the efficient folding of proteins
Which part of the brain contains the cardiac control center?
A. medulla oblongata B. cerebrum C. pons D. frontal lobe E. cerebellum