The electrical connectors between heart muscle cells are called:
a. myocardium
b. sinoatrial nodes
c. intercalated disks
d. Purkinje fibers
c. intercalated disks
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At the knee, the femoral artery becomes the ________ artery
A) iliac B) deep femoral C) popliteal D) tibial E) peroneal
In incomplete dominance, the phenotype of a heterozygote is in between that of either
homozygote. Indicate whether the statement is true or false
In meiosis the spermatozoa that are produced are genetically unlike each other and unlike the cell that produces them. This is one reason for the great variation among humans. What causes this effect?
A) chromosome segregation and independent assortment only B) crossing-over and chromosome segregation only C) crossing-over and independent assortment only D) crossing-over, chromosome segregation, and independent assortment
Consciousness is created in the
a. cerebellum b. cerebral cortex c. pons d. hypothalamus e. medulla oblongata