Biology, 16.09.2019 02:30 Csoard2004
The blood-brain barrier
a. is fully developed in humans when they are born.
b. prevents many drugs from entering the brain.
c. is designed to allow all drug compounds into the brain.
d. cannot be penetrated, even with trauma to the brain.
Answers: 1
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The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent
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Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.
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The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the
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The blood-brain barrier
a. is fully developed in humans when they are born.
b. prevents...
a. is fully developed in humans when they are born.
b. prevents...
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