Answer:
Nitrogen
Explanation:element found in all organic compounds carbon
element found in proteins but not carbohydrates or lipids nitrogen
three parts of a nucleotide phosphate, sugar, base
element found in nucleic acids, but not proteins, carbs, or lipids phosphorus
To signal hunger, the physiological need for food, the digestive tract sends messages to the hypothalamus by way of hormones and nerves.
Flat bones have two thin layers of compact bone which is surrounded by a layer of spongy bone.
True, cacrinogen is a cancer causing substance that have the ability to damage the genome or to the disruption of cellular metabolic process.
Carcinogen doesnt necessarily an immidiate toxic, but the effect can be insidours.
In our daily life, we can found a carcinogen in a burned food, thats why we should be careful not to overcook our barbecue to avoid this substance
