Ch.10 – Verified Test Bank – Biological Macromolecules The

Chapter 10: Biological macromolecules: the infrastructure of life

Test Bank

Type: multiple choice question

Title: Chapter 10 - Question 01

1) Which one of the following amino acids forms disulfide bonds?

a. Cysteine

b. Threonine

c. Glycine

d. Glutamic acid

e. Valine

Type: multiple response question

Title: Chapter 10 - Question 02

2) Which of the following amino acid residues act as helix disrupters? Select all that apply.

a. Serine

b. Threonine

c. Glycine

d. Proline

e. Phenylalanine

Type: multiple choice question

Title: Chapter 10 - Question 03

3) Which of the following is the name of the type of bond linking monosaccharide units in a sugar?

a. Peptide bond

b. Glycosidic bond

c. Phosphodiester bond

d. Disulfide bond

e. Hydrogen bond

Type: multiple choice question

Title: Chapter 10 - Question 04

4) Which one of the following polymers of glucose is the form in which glucose is stored in the human body?

a. Amylose

b. Amylopectin

c. Cellulose

d. Glycogen

e. Fat

Type: multiple response question

Title: Chapter 10 - Question 05

5) Which of the following nitrogenous bases occur in RNA? Select all that apply.

a. Adenine

b. Cytosine

c. Guanine

d. Uracil

e. Thymine

Type: multiple choice question

Title: Chapter 10 - Question 06

6) Which of the following sugars is found in DNA?

a. Glucose

b. Ribose

c. Fructose

d. Deoxyribose

e. Lactose

Type: multiple choice question

Title: Chapter 10 - Question 07

7) Polypeptides are polymers of which group of compounds?

a. Nucleotides

b. Monosaccharides

c. Amino acids

d. Sterols

e. Alcohols

Type: matching question

Title: Chapter 10 - Question 08

8) A nucleotide has the following general structure. What are the names of the components labeled 1-3 in this structure?

Feedback: Look at Figure 10.17 if you need some guidance.

a. 1 = Phosphate group

b. 2 = Sugar group

c. 3 = Nitrogenous base

Type: multiple response question

Title: Chapter 10 - Question 09

9) Sugars possess which two of the following functional groups?

a. Carbonyl group

b. Amino group

c. Thiol group

d. Alkoxyl group

e. Hydroxy group

Type: multiple choice question

Title: Chapter 10 - Question 10

10) Fats and oils are types of which organic compound?

a. Triacylglycerols

b. Glycerophospholipids

c. Fatty acids

d. Polysaccharides

e. Polypeptides

Type: multiple choice question

Title: Chapter 10 - Question 11

11) What makes fatty acids unique as compared to other carboxylic acids?

a. They have unusually highly-saturated alkyl groups

b. They have unusually long alkyl groups

c. Their alkyl groups are cyclic in structure

d. Their alkyl groups are unusually highly branched

e. They lack an alkyl group

Type: multiple response question

Title: Chapter 10 - Question 12

12) An amino acid possesses which two of the following functional groups?

a. Amino group

b. Thiol group

c. Amide group

d. Carboxyl group

e. Alkoxy group

Type: multiple choice question

Title: Chapter 10 - Question 13

13) Which of the following is the correct general structure for an amino acid?

a.

See Figure 10.1.

b.

c.

d.

e.

Type: multiple choice question

Title: Chapter 10 - Question 14

14) Which of the following is the correct description of a saturated fat?

a. A fat comprising fatty acids that contain one double carbon-carbon bond

b. A fat comprising fatty acids that contain only single carbon-carbon bond

c. A fat comprising fatty acids that contain more than one double carbon-carbon bond

d. A fat comprising fatty acids that contain alternating single and double carbon-carbon bonds

Type: multiple choice question

Title: Chapter 10 - Question 15

15) Which of the following statements about triacylglycerols is true?

a. Triacylglycerols with high saturated fatty acid content exist as solids at room temperature

b. Triacylglycerols with high unsaturated fatty acid content are known as fats

c. Triacylglycerols are also called fatty acids

d. Triacylglycerols contain only single carbon-carbon bonds

Type: multiple response question

Title: Chapter 10 - Question 16

16) Which of the following statements about nucleotides and nucleic acids are false? Select all that apply.

a. In RNA, the sugar group is deoxyribose

b. The nitrogenous base of a nucleotide is hydrophobic

c. Nucleotides join to form nucleic acids via peptide bonds

d. The sugar and phosphate groups of a nucleotide lie on the inside of the DNA helix

e. The two base pairs in DNA are adenine : thymine and cytosine : guanine

Type: matching question

Title: Chapter 10 - Question 17

17) Match the following structural formulae of amino acid side chains with the correct names of the amino acids that possess them.

Feedback: Look at Figure 10.2 to see the structures of the side chains of all twenty naturally-occurring amino acids.

a. = Valine

b. = Phenylalanine

c. = Methionine

d. = Serine

e. = Asparagine

f. = Aspartic acid

Type: matching question

Title: Chapter 10 - Question 18

18) Match the following types of bond with the organic compounds that they are found within.

Feedback: The peptide bond/polypeptide link is fairly obvious from the name. For the phosphodiester bond in nucleic acids, remember that adjacent nucleotides are joined via a phosphate group: note the phosphate/phosphodiester similarity. For the glycosidic bond in carbohydrates (sugars), remember that glycogen is the form in which sugar is stored the body: glycogen contains glycosidic bonds.

a. Peptide bond = Polypeptides

b. Phosphodiester bond = Nucleic acids

c. Glycosidic bond = Carbohydrates

Type: multiple choice question

Title: Chapter 10 - Question 19

19) Nucleotides have which one of the following functions, in addition to being components of the nucleic acids DNA and RNA?

a. They transport cholesterol in the bloodstream

b. They act as a hormone, triggering the breakdown of glycogen to release glucose

c. They form a component of the cell membrane, and help to maintain its fluidity

d. They act as a store of energy to help power biochemical reactions

Type: multiple response question

Title: Chapter 10 - Question 20

20) Which two of the following are the names of the two groups of compounds to which the nucleotide bases belong?

a. Porphyrins

b. Purines

c. Pyrimidines

d. Pyrones

e. Phosphates

Type: multiple response question

Title: Chapter 10 - Question 21

21) Which of the following statements about cellulose are false? Select all that apply.

a. Cellulose is a polymer of glucose.

b. Cellulose has a branched-chain structure.

c. Cellulose cannot be digested by humans.

d. Cellulose is the form in which glucose is stored in plants.

e. Cellulose is toxic to humans.

Type: multiple response question

Title: Chapter 10 - Question 22

22) Which of the following molecules do not exhibit quaternary structure? Select any that apply.

a. Haemoglobin

b. Glycine

c. The ribosome

d. tRNA

e. Cholesterol