Which is not true of lipids? a. they supply cells with nitrogen. b. the carry fat-soluble vitamins to cells. c. they form structural parts of cell membranes. d. they supply cells with energy.

Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.