BI-1581
DNA structure
Biology · Secondary 4 · Medium · DNA structure
A diagram shows part of a DNA molecule. Which statement correctly matches the components of DNA?
- It is made only of phosphate and sugar units.
- It is made of amino acids joined into a chain.
- It is made of sugar, phosphate and a nitrogenous base.
- It is made of glucose, phosphate and fatty acids.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.