LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Carbon chains are principal features of both carbohydrates and lipids. What is the primary difference between these two types of macromolecules?
A
Lipids always have longer carbon chains than carbohydrates.
B
Carbohydrates cannot form rings like lipids can.
C
Lipids provide energy, but carbohydrates cannot.
D
Carbohydrates form ring structures, lipids form long chains
Explanation: 

Detailed explanation-1: -Carbon chains are principal features of both carbohydrates and lipids. What is the primary difference between these two types of macromolecules? Lipids always have longer carbon chains than carbohydrates.

Detailed explanation-2: -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-3: -Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON).

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