Examlex
A fragment of DNA or RNA labeled with a tracer that can hybridize with a nucleotide sequence of interest is referred to as a ____.
Neurons
Specialized neurons in the nervous system that convey information to other neurons, muscle cells, or glands mostly via electrical and chemical signals.
Astroglia
Star-shaped glial cells in the brain and spinal cord that play roles in supporting neurons and maintaining the biochemical environment of the neural tissue.
Blood-Brain Barrier
A selective semi-permeable border of endothelial cells that protects the brain by preventing certain substances in the bloodstream from entering brain tissue.
Expansion
The process of increasing in size, volume, quantity, or scope.
Q11: Place the following hypothesized events of the
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Q19: a quantifiable, heritable characteristic<br>A)character<br>B)clade<br>C)cladistics<br>D)microevolution<br>E)dimorphism<br>F)phylogeny<br>G)balanced polymorphism<br>H)cladogram<br>I)fixed allele
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