Which of the following can be concluded from the experiment established by the controls above?
a. chemicals called hormones are produced in the growing tips of the shoots of plants.
b. plants grow toward the sun because of chemicals produced in their stems.
c. chemicals produced in shoot tips can cause stems to bend.
d. chemicals produced in plant stems stimulate plant growth.

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

The information in the diagram best support which hypothesis

What is expressed when both alleles for a gene are equally expressed as in human blood type?