The photo below shows several onion root tip cells undergoing mitosis. 1. 3
2. 4

Which number indicates a cell that is most likely to be in metaphase of
mitosis?

A. 3
B. 1
C. 2
D. 4

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

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