OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Both are made up of monosaccharide monomers, but lipids are hydrophobic and carbohydrates are hydrophilic.
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Both contain carbon and hydrogen, but carbohydrates also contain oxygen and lipids contain nitrogen.
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Both consist of carbon, hydrogen, and oxygen, but carbohydrates have repeating structural units and lipids do not.
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Both have a carbon backbone, but lipids also have an amino group and carbohydrates have a carboxylic acid group.
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Detailed explanation-1: -Structurally, carbohydrates are polymers that exist in different forms such as monosaccharides, disaccharides and polysaccharides. On the other hand, lipid is a nonpolymeric molecule that constitutes a glycerol molecule and three fatty acid chains.
Detailed explanation-2: -Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON). Nucleic acids such as DNA and RNA contain carbon, hydrogen, oxygen, nitrogen, and phosphorus (CHON P).
Detailed explanation-3: -Lipid molecules consist mainly of repeating units called fatty acids. There are two types of fatty acids: saturated fatty acids and unsaturated fatty acids. Both types consist mainly of simple chains of carbon atoms bonded to one another and to hydrogen atoms.
Detailed explanation-4: -Proteins differ from carbohydrates and lipids in that, they always contain nitrogen, carbon, hydrogen and oxygen.