Cell-to-cell junctions, called intercalated discs, contain distinct structural features called gap junctions and
a. myofilaments.
b. T-tubules.
c. branching.
d. desmosomes.
d. desmosomes.
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The first extraembryonic membrane to appear is the
A) chorion. B) allantois. C) placenta. D) yolk sac. E) amnion.
The following contribute to increased incident of myocardial infarction except:
a. Routine exercise b. Arteriosclerosis c. smoking d. obesity
The kidneys are surrounded by three layers of tissue, from outer most to inner most they are
a) adipose capsule - renal capsule - renal fascia b) renal capsule - adipose capsule - renal fascia c) renal fascia - adipose capsule - renal capsule d) parietal peritoneum - adipose capsule - visceral peritoneum
The complexes within electron transport chains
a. are "circuits" for small amounts of electricity to pass through b. contain NADH that transports electrons c. transport H+ into the mitochondrial matrix d. are responsible for transporting electrons and hydrogen ions e. perform all of the above functions