If a mineral leaves a red trail when scraped against an unglazed porcelain plate, which property of mineral is being measured?

Number and variety of living organism; includes genetic, species, and ecological types

If a checkpoint detects damaged dna, the checkpoint may

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper