A bad line measurement (aka control) is set up so that you can compare your results from each test against so it gives the values a meaning as it shows how they differ from eachother
The question is asking to choose among the following choices that states the properties of water would be most important in protecting a fish in a shallow pond on a hot summer day, and the answer would be letter C. the specific heat of water
This potential is then used to drive ATP synthase and produce ATP from ADP and a phosphate group. Biology textbooks often state that 38 ATP molecules can be made per oxidised glucose molecule during cellular respiration (2 from glycolysis, 2 from the Krebs cycle, and about 34 from the electron transport system).
Chitin is not a lipid, it is a carbohydrate.
Everything else is a lipid.