If brain cells become damaged, the brain can grow new cells.
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True

Explanation:

BRAIN MAY GROW NEW CELLS DAILY. This zone was recently identified by other scientists as the home of the brain's stem cells, the source cells from which an organ is replenished. The new neurons migrated toward the cortex, matured and sent out axons to make connections with other brain cells, the Princeton biologists found.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

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