Phospholipids are molecules that have A. one nonpolar phosphate head and two polar fatty acid tails.

B. one polar phosphate head and one polar fatty acid tail.

C. one polar phosphate head and two polar fatty acid tails.

D. one polar phosphate head and two nonpolar fatty acid tails.

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

Moving down the ramp from 6 meters to

Which is the best example of plant tissue? the answer is d (just took the test)