EVERYDAY SCIENCE

SCIENCE

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ are organic compounds that are good sources of energy. They contain carbon, hydrogen, and oxygen in a 1:2:1 ratio
A
carbohydrates
B
lipids
C
proteins
D
nucleic acids
Explanation: 

Detailed explanation-1: -Carbohydrates are made of carbon, hydrogen and oxygen. They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down to release energy in the animal body.

Detailed explanation-2: -Carbohydrates are made of carbon (C), hydrogen (H), and oxygen (O), or CHO, in an approximate ratio of 1:2:1. All sugars are carbohydrates. Another word for sugar is saccharide.

Detailed explanation-3: -Carbohydrates are molecules composed of carbon, hydrogen, and oxygen; the ratio of hydrogen atoms to oxygen and carbon atoms is 2:1.

Detailed explanation-4: -Carbohydrates are organic compounds used to store energy. A monosaccharide is a simple sugar, such as fructose or glucose. Complex carbohydrates have two main functions: storing energy and forming structures of living things.

Detailed explanation-5: -Carbohydrates are organic molecules composed of carbon, hydrogen, and oxygen, usually in a ratio of 1:2:1. Carbohydrates include sugars, starch, cellulose, and glycogen. Carbohydrates are the primary sources of energy for most organisms.

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