Cellulose and starch belong to the major class of organic compounds called carbohydrates. Carbohydrates are composed of carbon, hydrogen, and oxygen atoms, typically in a ratio of 1:2:1.
CH4 and C3H8 belong to the group of hydrocarbons known as alkanes. Alkanes are saturated hydrocarbons that consist of single bonds between carbon atoms and are the simplest type of organic compounds.
Sugars and starch are organic compounds. But all organic compounds are not made of sugars and starch.
Vitamins belong to the group of organic compounds essential for various bodily functions. They are classified into two groups: water-soluble vitamins (such as B vitamins and vitamin C) and fat-soluble vitamins (such as vitamins A, D, E, and K).
Fatty acids belong to the lipid group, monosaccharides belong to the carbohydrate group, amino acids belong to the protein group, and nucleotides belong to the nucleic acid group.
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Carbohydrates / Sugars
Fats belong to a group of organic compounds called lipids. Lipids are a diverse group of molecules that include fats, oils, phospholipids, and steroids.
Sugars belong to the group of compounds known as carbohydrates. Carbohydrates are organic compounds made up of carbon, hydrogen, and oxygen atoms, and are a common source of energy for living organisms.
Cellulose and starch belong to the major class of organic compounds called carbohydrates. Carbohydrates are composed of carbon, hydrogen, and oxygen atoms, typically in a ratio of 1:2:1.
A brittle nonconducting solid might belong to the group of covalent compounds, such as diamond or silicon dioxide. These compounds have strong covalent bonds that make them rigid and nonconducting of electricity.
cruciferous
Enzymes belong to the group of chemical compounds known as proteins. They are biological catalysts that speed up chemical reactions in living organisms.
Cholesterol belongs to the group of organic compounds known as sterols. Sterols are a subgroup of steroids that contain a hydroxyl group at the C-3 position of the A-ring.
CH4 and C3H8 belong to the group of hydrocarbons known as alkanes. Alkanes are saturated hydrocarbons that consist of single bonds between carbon atoms and are the simplest type of organic compounds.
3: proteins, DNA, fats, starch
Sugars and starch are organic compounds. But all organic compounds are not made of sugars and starch.