AP - Intro To Chapter 3
- 1.Which of these terms is most inclusive?
- A.
Monosaccharide
- B.
Starch
- C.
Polysaccharide
- D.
Disaccharide
- E.
Carbohydrate
- 2.Hydrocarbons are hydrophobic because:
- A.
The covalent bonds between hydrogen and carbon are nonpolar
- B.
They contain functional gropus
- C.
They exist as isomers
- D.
Ionic bonds are always polar
- E.
The strong electronegative properties of carbon
- 3.Carbohydrate molecules:
- A.
Serve as structural components of human cell walls.
- B.
Form the regulatory compounds known as enzymes.
- C.
Are a source of energy.
- D.
Help protect vital organs from damage.
- E.
Contain the genetic information of a cell.
- 4.A chemical reaction in which polymers are synthesized from their building blocks is called:
- A.
Hydrolysis
- B.
Condensation
- C.
Oxidation
- D.
Reduction
- E.
Dissosiation
- 5.Which one of the following carbohydrates is the most structurally complex?
- A.
Sucrose
- B.
Fructose
- C.
Cellulose
- D.
Glucose
- E.
A disaccharide
- 6.Which of the following is NOT true of lipids?
- A.
They store energy.
- B.
They function as structural components of cellular membranes.
- C.
They function as hormones
- D.
They are nonpolar
- E.
They have many oxygen-containing functional groups.
- 7.Which of the following statements concerning unsaturated fats is correct?
- A.
They are more common in animals.
- B.
They have no double bonds in the carbon chains of their fatty acids.
- C.
They are generally liquids at room temperature.
- D.
They contain more hydrogen than do saturated fats having the same number of carbon atoms.
- E.
They have fewer fatty acids per fat molecule than do saturated fats.
- 8.A carbohydrate energy storage molecule found in animal liver and muscle cells is:
- A.
Starch
- B.
Chitin
- C.
Glycogen
- D.
Cellulose
- E.
Protein
- 9.Sucrose is made of
- A.
Glucose + Glucose
- B.
Glucose + Sucrose
- C.
Glucose + Fructose
- D.
Fructose + Galactose
- E.
Glucose + Galactose
- 10.Glucose dissolves in water because:
- A.
It ionizes
- B.
It is a polysaccharide
- C.
It has polar hydroxyl groups that interact with polar water molecules
- D.
It has a very reactive primary structure
- E.
It is hydrophobic
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