What kinds of genetic mutations can lead to cancer? only frameshift mutations, because they are most severe any mutation of the dna or mrna mutations in sequences that control the cell cycle

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?

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