There are many compounds that don't contain nitrogen: CO2, NaCl, H2O, C6H6, CuCl2...
Yes, all animal products contain cholesterol
No, they do not contain any cholesterol.
They contain about 7% cholesterol
Nitrogen doesn't contain air, but the air contains Nitrogen.
Yes, soil does contain nitrogen.
no, foods derived from plants contain NO cholesterol. Only animal-based foods contain cholesterol because of their fats.
Proteins contain nitrogen, which is not present in carbohydrates.
yes banana is contain
no
Fruits and vegetables are types of foods that do not contain any type of cholesterol. They do contain fiber, which is known to reduce high cholesterol in humans.
Yes. All living things contain nitrogen.