When cells eat other cells or large substances

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give

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

What are some manufactured items that can be recycled? plastic bottles diapers paper cups styrofoam