Mark is given a substance that is made up of one of the four main types of 1 point molecules found in cells of living things. He notices that the substance
does not mix with water. Based on this fact, what can Mark conclude about
the molecule?
O It is a lipid
It is a protein
It is a nucleic acid.
It is a carbohydrate
DNA stores genetic information. What type of molecule is DNA? *
1 point

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

The graph shows how much money the south dakota livestock industry earns annually. according to the graph, which industry would experience the greatest financial impact from a loss of pastureland

In the controversial scientific process of cloning, organisms are created that are genetically identical to there parent. this process would be classified as