The mystery food sample contains a lipid because it was red in contact with the indicator Sudan Red which is an indicator of lipids. The food sample was also tested with the following indicators:
and
No color change was present with the other indicators; therefore, the mystery food sample contains only
and no other macromolecules.

Unsaturated fatty acids that have been changed to saturated fatty acids are called

Most of the carbon on earth is stored in the form of

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.