Lipase is an enzyme found in the human digestive track that breaks down into glycerol. Hey student tested lipase to see how if function at different temperatures. The student combined lipase and lipids in test tubes at varying temperatures. The student then tested each set with indicators which revealed the presence of lipid or glycerol. the results are given below.

One of the purposes of transcription is to produce a sequence of bases that

The cluster of developing cells from conception until birth is called an

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.