The cell membranes of antarctic ice fish might have which of the following adaptations? a) very long chain fatty acidsb) branched isoprenoid lipidsc) a high percentage of polyunsaturated fatty acidsd) a higher percentage of trans-fatty acidse) no cholesterol

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above