An atom that has gained or lost electrons is called
a cation
an ion
inert
a molecule

When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

If a checkpoint detects damaged dna, the checkpoint may