Multiple Choice
Which type of carbohydrates are primarily used by cells to produce energy?
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4. Biomolecules
Carbohydrates
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Which of the following is a simple carbohydrate?
A
Starch
B
Cellulose
C
Glycogen
D
Glucose
Verified step by step guidance1
Step 1: Understand the concept of carbohydrates. Carbohydrates are organic molecules made up of carbon, hydrogen, and oxygen, and they are classified into simple and complex carbohydrates based on their structure.
Step 2: Define simple carbohydrates. Simple carbohydrates, also known as monosaccharides, consist of single sugar molecules such as glucose, fructose, and galactose. They are the most basic form of carbohydrates.
Step 3: Define complex carbohydrates. Complex carbohydrates are polysaccharides, which are made up of long chains of monosaccharides. Examples include starch, cellulose, and glycogen.
Step 4: Compare the options provided in the question. Starch, cellulose, and glycogen are all complex carbohydrates because they are polysaccharides composed of multiple sugar units. Glucose, on the other hand, is a monosaccharide and therefore a simple carbohydrate.
Step 5: Conclude that glucose is the correct answer because it is a simple carbohydrate, while the other options are complex carbohydrates.
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