Which of the following is NOT descriptive of both DNA and RNA? made up of nucleotides

forms a double-helix

contains four different types of nitrogen bases

has backbone made up of a sugar and phosphate

Amajor source of energy for your body comes from

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water

What best explains why atp is regarded as a renewable resource within the cell