The answer would b a so the top person is correct:))
It helps the plasma membrane to remain fluid.
Proteins and lipids exist in the membrane as well
The enzyme that would be most important for digesting a skinless chicken breast would be a PEPTIDASE.
A skinless chicken breast is a proteinous food and peptidases are enzymes which break down proteins by hydrolysis of the peptide bonds which joined the amino acids of proteins together.
I think from the above answers the most appropriate is that GPS technology has led to development of robotic tractors for planting, fertilization, and crop harvesting. The global positioning system has found a wide and beneficial use in agriculture, it is used for mapping yields, variable rate planting, variable rate lime and fertilizer application, field mapping for records and insurance purposes among other uses.