chapter 3 quiz

Question 1

Which of the following common chemical groups is hydrophobic?

Answer 1

methyl

Question 2

The term insoluble fiber on food packaging generally refers to which of the following carbohydrates?

Answer 2

cellulose

Question 3

Which of the following statements best describes a characteristic feature of saturated fats?

Answer 3

They are generally solid at room temperature

Question 4

Which two functional groups are always found in amino acids?

Answer 4

carboxyl and amino

Question 5

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. How do these molecules differ from each other?

Answer 5

Testosterone and estradiol have different functional groups attached to the same carbon skeleton.

Question 6

A carbon atom is most likely to form which of the following bonds with other atoms?

Answer 6

covalent bonds

Question 7

Biological polymers are commonly formed from monomers by which of the following processes?

Answer 7

dehydration reactions

Question 8

A molecule with the chemical formula C6H12O6 is most likely which of the following molecules?

Answer 8

monosaccharide

Question 9

A nucleotide is composed of

Answer 9

only a nitrogenous base, a phosphate group, and a pentose sugar.

Question 10

Which of the following large biological molecules will self-assemble into a bilayer when mixed with water?

Answer 10

phospholipids