Biomolecules

What are the four major types of biomolecules discussed?

• Minerals, Water, Gases, Sugars

• Carbohydrates, Proteins, Lipids, Nucleic Acids

• Amino Acids, Enzymes, Nucleotides, Vitamins

• Organic, Inorganic, Micromolecules, Macromolecules

What is the definition of a biomolecule?

• Substances that are only found in plants

• Any substance that contains carbon

• Numerous substances produced by cells and living organisms

• Molecules with a low molecular weight

What characteristic makes all biomolecules organic?

• They are produced by living organisms

• They contain carbon

• They have a complex structure

• They are essential for life

Which of the following is classified as a macromolecule?

• Minerals

• Sugars

• Proteins

• Water

Which of the following is a function of carbohydrates?

• Acting as an energy source instead of proteins.

• Being intermediates in the biosynthesis of fats and proteins.

• Aiding in the regulation of nerve tissue and providing energy for the brain.

• Being an important constituent of connective tissues in animals.

What is the basic subunit of a carbohydrate?

• Disaccharide

• Polysaccharide

• Monosaccharide

• Protein

Which of the following disaccharides is made up of galactose and glucose?

• Sucrose

• Maltose

• Lactose

• Dextrose

Which of the following is a polysaccharide that is the chief storage form of carbohydrates in plants?

• Glycogen

• Cellulose

• Starch

• Fructose

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Which of the following elements are proteins composed of?

• Carbon, hydrogen, oxygen, nitrogen, phosphorus

• Carbon, hydrogen, oxygen, nitrogen, sulfur

• Carbon, hydrogen, oxygen, phosphorus, sulfur

• Carbon, nitrogen, oxygen, phosphorus, sulfur