How many species (or what percent of species) are currently dying om

Mutations associated with albinism affect proteins involved in synthesis

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

If the dimensions of a cube-shaped cell with a length, height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6