Question 1

Amino acids with acidic side chains contain a ____ group.

Accepted Answer

A) - COOH 
B) - NH2 
C) - SH 
D) - OH 
A) - COOH 
B) - NH2 
C) - SH 
D) - OH A

Question 2

The following peptide could be named as _____ .

Accepted Answer

A) valinylphenylalanyl 
B) alanylphenylvaline 
C) glycylphenylleucine 
D) glycylphenylalanine 
A) valinylphenylalanyl 
B) alanylphenylvaline 
C) glycylphenylleucine 
D) glycylphenylalanine C

Question 3

The figure below shows a portion of what type of secondary protein structure?

Accepted Answer

A) alpha helix 
B) beta sheet 
C) neither a or b 
D) insufficient information 
A) alpha helix 
B) beta sheet 
C) neither a or b 
D) insufficient information B

Question 4

​ Which of the following forms of amino acids has a net charge of 0?

Accepted Answer

A) Nonionized form 
B) Zwitterion form 
C) Acidic form 
D) Basic form 
A) Nonionized form 
B) Zwitterion form 
C) Acidic form 
D) Basic form

Question 5

The non-amino acid parts of conjugated proteins are called _____ .

Accepted Answer

A) side chains 
B) prosthetic groups 
C) zwitterions 
D) tertiary structures 
A) side chains 
B) prosthetic groups 
C) zwitterions 
D) tertiary structures

Question 6

Proteins can be produced by using any one of the naturally occurring amino acids.

Accepted Answer

A) True 
 B)False

Question 7

An ion which is especially effective at causing protein denaturation is Hg2+.

Accepted Answer

A) True 
 B)False

Question 8

The association of several protein chains into a larger structure as in the case of hemoglobin is an example of ____ structure.

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) quaternary 
A) primary 
B) secondary 
C) tertiary 
D) quaternary

Question 9

Hemoglobin is just one of several significant examples of a hemoprotein in humans.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is the best representation of a segment of a protein chain?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 11

The figure below shows a portion of what type of secondary protein structure?

Accepted Answer

A) alpha helix 
B) beta sheet 
C) neither a or b 
D) insufficient information 
A) alpha helix 
B) beta sheet 
C) neither a or b 
D) insufficient information

Question 12

Which polypeptide stimulates the production of adrenal hormones?

Accepted Answer

A) ACTH 
B) ADH 
C) glucagon 
D) prolactin 
A) ACTH 
B) ADH 
C) glucagon 
D) prolactin

Question 13

​ Explain the formation of a zwitterion.

Accepted Answer

Amino acids exist in an ionic form. The

Question 14

Which of the following best classifies the side chain of the amino acid listed below?

Accepted Answer

A) neutral, nonpolar 
B) basic, polar 
C) neutral, polar 
D) acidic, polar 
A) neutral, nonpolar 
B) basic, polar 
C) neutral, polar 
D) acidic, polar

Question 15

The isoelectric point of an amino acid is

Accepted Answer

A) the pH at which there is no net electrical charge on the amino acid. 
B) the electrical charge on the amino acid in solution. 
C) the electrical charge of the protein surface. 
D) the pH at which there are no ions in solution. 
A) the pH at which there is no net electrical charge on the amino acid. 
B) the electrical charge on the amino acid in solution. 
C) the electrical charge of the protein surface. 
D) the pH at which there are no ions in solution.

Question 16

Proteins can be classified based on _____ .

Accepted Answer

A) function. 
B) shape. 
C) composition. 
D) all of these 
A) function. 
B) shape. 
C) composition. 
D) all of these

Question 17

Which of the following is not a protein?

Accepted Answer

A) enzymes 
B) antibodies 
C) collagen 
D) All these substances are proteins. 
A) enzymes 
B) antibodies 
C) collagen 
D) All these substances are proteins.

Question 18

Nursing mothers should not take medications just before breast feeding.

Accepted Answer

A) True 
 B)False

Question 19

What bonding forces are responsible for the secondary structure of a protein?

Accepted Answer

A) disulfide linkages 
B) salt bonds 
C) hydrophobic bonding 
D) hydrogen bonding 
A) disulfide linkages 
B) salt bonds 
C) hydrophobic bonding 
D) hydrogen bonding

Question 20

A nursing mother comes to you wanting to take something for minor arthritis pain. Which drug would you not recommend her to use?

Accepted Answer

A) Acetaminophen 
B) Ibuprofen 
C) Codeine 
D) Methotrexate 
A) Acetaminophen 
B) Ibuprofen 
C) Codeine 
D) Methotrexate

Exam 19: Proteins

Amino acids with acidic side chains contain a ____ group.

The following peptide could be named as _____ .

The figure below shows a portion of what type of secondary protein structure?

​ Which of the following forms of amino acids has a net charge of 0?

The non-amino acid parts of conjugated proteins are called _____ .

Proteins can be produced by using any one of the naturally occurring amino acids.

An ion which is especially effective at causing protein denaturation is Hg2+.

The association of several protein chains into a larger structure as in the case of hemoglobin is an example of ____ structure.

Hemoglobin is just one of several significant examples of a hemoprotein in humans.

Which of the following is the best representation of a segment of a protein chain?

The figure below shows a portion of what type of secondary protein structure?

Which polypeptide stimulates the production of adrenal hormones?

​ Explain the formation of a zwitterion.

Which of the following best classifies the side chain of the amino acid listed below?

The isoelectric point of an amino acid is

Proteins can be classified based on _____ .

Which of the following is not a protein?

Nursing mothers should not take medications just before breast feeding.

What bonding forces are responsible for the secondary structure of a protein?

A nursing mother comes to you wanting to take something for minor arthritis pain. Which drug would you not recommend her to use?

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Which of the following forms of amino acids has a net charge of 0?

An ion which is especially effective at causing protein denaturation is Hg²⁺.

Explain the formation of a zwitterion.