Examlex
In cold climates, regions of permafrost are good places to build on because the ground stays frozen to the surface all year.
Base Pairs
The pairs of nucleotides (adenine with thymine, and cytosine with guanine) that form the rungs of the DNA double helix, essential for coding genetic information.
DNA Molecule
A DNA molecule is a complex, double-helical structure carrying the genetic information necessary for an organism's growth, development, functioning, and reproduction.
Gene
A sequence of DNA or RNA which codes for a molecule that has a function and is the basic physical and functional unit of heredity.
Natural Selection
a process by which evolutionary changes occur in species, where individuals with traits better suited to their environment are more likely to survive and reproduce.
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Q39: Most of Alaska is a(n)_ climate region.
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