<span>•Triglycerides.
</span><span>•Steroids.
•</span><span>Phospholipids</span>
There are 2.16 moles of lithium in 15 grams. Look at the periodic table to find the molar mass.
Answer:
The investigator needs to add a negative and a positive control. The positive control can be an auxin previously tested on this plant species, and the negative control should be a NON AUXIN SPRAYED plant, it can be sprayed with disstilled water. It is importan that all these plants are exactly under the same conditions (temperature, light, etc.), but with a distance between them that does not allow crossed contamination.
Explanation: