Which of the following nitrogenous bases is found in DNA but is not found in RNA? cytosine uracil thymine guanine Question 12 (1 point) You have learned about many forms of lipids. Which of the following would not be considered correct in regards to lipids? Males and females contain different types of lipids Certain types of lipids can adversely affect your health Phospholipids are a single layer of lipids that make up the cell membrane The number of kinks, or double bonds present in the molecule determines the shape and characteristics of the lipid Question 13 (1 point) Nucleic acids contain all of the following EXCEPT: a nitrogenous base a phosphate group a sugar a ribosome.