Chapter 6 - Physical Science - Chemistry of Life

Which of the following frameworks for carbon atoms is found in organic molecules?

• branched chains

• rings

• straight chains

• All the others are found in organic molecules

Which of the following is not a characteristic of carbon that allows for the great variety of organic compounds?

• It forms single, double, & triple bonds.

• Carbon is able to form strong bonds with other carbon atoms.

• Carbon possesses four valence electrons.

• Carbon has a larger atomic radius than other Group 14 elements

Pentene, a hydrocarbon with a five-carbon chain is an example of a(n) ____________ hydrocarbon.

• aromatic

• saturated

• substitued

• unsaturated

Alkynes have a least on ___________ bond.

• single

• double

• triple

• double or triple

Which group of substituted hydrocarbons has a hydroxyl group?

• alcohol

• aldehydes

• alkyl halides

• ketones

Smaller molecules, _____________, are linked together to form ___________.

• macromers; polymers

• monomers; macromers

• monomers;

  polymers

• polymers;

  monomers

Glucose, sucrose, and fructose are all examples of

• carbohydrates

• lipids

• nucleic acids

• proteins

Large polymers of glucose molecules are called

• starches

• proteins

• saturated fats

• unsaturated fats

Amino acids link together to form which polymer?

• carbohydrate

• lipid

• nucleic acid

• protein

Which of the following have monomers consisting of a sugar, a phosphate group, and a nitrogen-containing base?

• carbohydrates

• lipids

• nucleic acids

• proteins