Shura listed the steps for protein production in cells. 1. A strand of RNA is made.
2. RNA leaves the nucleus.
3. RNA moves to the ribosome.
4. A protein is made.

Which step is missing?
A. DNA unzips after step 1.
B. DNA unzips before step 1.
C. DNA is replicated after step 3.
D. DNA is replicated before step 3.

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

The arrows indicate the direction of wind flow. which place experiences monsoons?

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