The human gene for insulin production is identified and removed using enzymes called restriction enzymes. The same restriction enzymes are used to cut open a plasmid (a small, circular section of DNA).
It pulls precipitation down from clouds and pulls water downhill. Gravity also moves air and ocean water. ... Gravity pulls denser air and water downward, forcing less dense air and water to move upward. The warm water near the surface of the ocean heats up with sunlight and evaporates, keeping the water cycle in motion.
Answer:
1,3,4
Explanation:
A dichotomous key uses questions/or statements to help identify organisms, it can also use characteristics in it's questions such as yes and no statements to help separate organisms from one another.
The answer is the mass is twice it’s size