Bio 1110 ch 2.3 practice questions

An example of a monosaccharide is ________. Cellulose and starch are examples of ________. a) lactose; disaccharides b) lactose; polysaccharides c) glucose; polysaccharides d) glucose; disaccharides

An example of a monosaccharide is ________. Cellulose and starch are examples of ________. d) glucose; disaccharides

Fatty acids may be saturated or unsaturated. What does this mean structurally? a) One can't be digested by humans and the other can. b) The number of glycerol molecules in the fatty acid varies. c) The types of bonds (single or double) between neighboring carbons in the hydrocarbon chain of the fatty acid are different. d) The number of carbons in the hydrocarbon chain of the fatty acid varies.

Fatty acids may be saturated or unsaturated. What does this mean structurally? c) The types of bonds (single or double) between neighboring carbons in the hydrocarbon chain of the fatty acid are different.

Foods such as grains, fruits, and vegetables are all major natural sources of which macromolecule? a) carbohydrates b) nucleic acids c) lipids d) fats

Foods such as grains, fruits, and vegetables are all major natural sources of which macromolecule? a) carbohydrates

Functions of lipids include all of the following except: a) make up the exoskeleton of arthropods b) insulation and protection c) make up part of the cell membrane d) long-term energy storage e) used as building blocks of hormones

Functions of lipids include all of the following except: a) make up the exoskeleton of arthropods

It is often said that life is "_________-based". a) carbon b) nutrient c) water d) nitrogen

It is often said that life is "_________-based". a) carbon

Many critical nutrients in our food come in the form of biological macromolecules. What are macromolecules? a) Elements that are the key building blocks of chemicals. b) Large elements we can't digest in our food. c) Elements such as carbon and nitrogen that are necessary for life. d) Large molecules that are necessary for life.

Many critical nutrients in our food come in the form of biological macromolecules. What are macromolecules? d) Large molecules that are necessary for life.

Protein __________ is critical to its function. a) denaturation b) size c) shape d) digestion

Protein __________ is critical to its function. c) shape

What are the four major classes of macromolecules? a) carbohydrates, lipids, proteins, and nucleic acids b) carbohydrates, minerals, vitamins, and nucleic acids c) vitamins, nutrients, proteins, and water d) carbohydrates, lipids, water, and nucleic acids

What are the four major classes of macromolecules? a) carbohydrates, lipids, proteins, and nucleic acids

What are the two main components of a fat molecule? a) glycerol and amino acids b) glycerol and fatty acids c) glucose and fatty acids d) fatty acids and carbon

What are the two main components of a fat molecule? b) glycerol and fatty acids

Which macromolecules are the most abundant organic molecules in living systems with the most diverse range of functions? a) water b) carbohydrates c) proteins d) fats

Which macromolecules are the most abundant organic molecules in living systems with the most diverse range of functions? c) proteins