Adefect in the absorption of certain nutrients in the small intestine has been linked to an abnormally-delayed initiation of differentiation. if the levels of her2, pten, and akt protein can be estimated accurately, what is the earliest point in development at which the defect could be evaluated? a. 14 weeks b. 16 weeks c. 20 weeks d. 24 weeks

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one