Answer:
I'm pretty sure it's transport blood cells
For agricultural uses. For example: country or area with low precipitation and high droughts will starve if they don't have plants that can survive the harsh conditions such as genetically modified crops being able to take in less water than non genetically modified crops.
C
Lipids form a bilayer, so D is out.
Lipids contain hydrophobic and hydrophilic properties, so A is out
Lipids contain carbon so they are organic (not inorganic)
Feedback loops are biological mechanisms whereby homeostasis is maintained. This occurs when the product or output of an event or reaction changes the organism's response to that reaction. Positive feedback occurs to increase the change or output: the result of a reaction is amplified to make it occur more quickly.
