IB Bio B1.1 Carbohydrates and Lipids / B1.2 Proteins Quiz

What is the basic unit of carbohydrates?

• lipid

• disaccharide

• monosaccharide

• polysaccharide

Which type of lipid is composed of three fatty acids and a glycerol molecule?

• Monosaccharides

• Triglycerides

• Phospholipids

• Steroids

What are the building blocks of proteins?

• Glucose

• Amino acids

• Nucleotides

• Fatty acids

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Give an example of a polysaccharide.

• Cellulose

• Glucose

• Protein

• Starch

What is the primary structure of a protein?

• Network of sugars and proteins

• Sequence of amino acids

• Arrangement of nucleic acids

• Combination of lipids and carbohydrates

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What is the main function of monosaccharides in living organisms?

• Supporting cell structure

• Regulating body temperature

• Aiding in muscle contraction

• Provide energy

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What are the characteristics of saturated fats?

• Solid at room temperature, mainly from animal sources, linked to increased risk of heart disease

• Liquid at room temperature, mainly from animal sources, linked to increased risk of heart disease

• Solid at room temperature, mainly from plant sources, linked to increased risk of heart disease

• Liquid at room temperature, mainly from plant sources, linked to decreased risk of heart disease

What are the essential amino acids?

• Carbohydrates and fats

• Vitamins and minerals

• Amino acids that can not be synthesized by the body

• Non-essential amino acids

What is the role of proteins in the body?

• Proteins have no role in the body

• Proteins provide structure, regulate processes, and serve as enzymes and hormones in the body.

• Proteins are only used for building muscles

• Proteins are only found in the skin and hair

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What is the structure of cellulose?

• Spherical polymer composed of fructose molecules

• Branched polymer composed of sucrose molecules

• Planar polymer composed of maltose molecules

• Linear polymer composed of glucose molecules