Purple flowers are dominant to white flowers in peas. If a purple flowered plant and a white flowered plants are crossed multiple times and 154 offspring are produced - 78
with white flowers and 76 with purple flowers. If you perform a chi-squared test, what
would be the number of degrees of freedom for this cross?

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

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

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes