Question 1

Proteins that stimulate immune response are known as ________.

Accepted Answer

immunoglobulins

Question 2

Methionine is an amino acid that contains ________.

Accepted Answer

A) a sulfur atom 
B) a chlorine atom 
C) a sodium atom 
D) a phenyl ring 
E) a heterocyclic ring 
A) a sulfur atom 
B) a chlorine atom 
C) a sodium atom 
D) a phenyl ring 
E) a heterocyclic ring A

Question 3

The side chain for histidine is classified as a ________ side chain.

Accepted Answer

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

Question 4

The names of many enzymes can be recognized by the suffix ________.

Accepted Answer

A) ate 
B) ite 
C) ose 
D) ine 
E) ase 
A) ate 
B) ite 
C) ose 
D) ine 
E) ase

Question 5

The hydrolysis of ester bonds in triacylglycerols is catalyzed by a ________.

Accepted Answer

A) lipase 
B) lyase 
C) isomerase 
D) peptidase 
E) oxidoreductase 
A) lipase 
B) lyase 
C) isomerase 
D) peptidase 
E) oxidoreductase

Question 6

Which of the following is not true for a competitive inhibitor?

Accepted Answer

A) It occupies the active site. 
B) It cannot be converted to products. 
C) It has a structure similar to the substrate. 
D) Increasing the substrate concentration can reverse competitive inhibition. 
E) It binds to the enzyme at a site remote from the active site. 
A) It occupies the active site. 
B) It cannot be converted to products. 
C) It has a structure similar to the substrate. 
D) Increasing the substrate concentration can reverse competitive inhibition. 
E) It binds to the enzyme at a site remote from the active site.

Question 7

In an enzyme,the polypeptide chain folds into a compact shape known as the ________ structure.

Accepted Answer

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

Question 8

To what main class of enzymes does the enzyme that catalyzes the following reaction belong? ser-ala → ser + ala

Accepted Answer

A) oxidoreductase 
B) transferase 
C) hydrolase 
D) lyase 
E) isomerase 
A) oxidoreductase 
B) transferase 
C) hydrolase 
D) lyase 
E) isomerase

Question 9

To what main class of enzymes does the enzyme that catalyzes the following reaction belong? O OH   -   - COO- →   -   H- COO-

Accepted Answer

A) oxidoreductase 
B) transferase 
C) hydrolase 
D) lyase 
E) isomerase 
A) oxidoreductase 
B) transferase 
C) hydrolase 
D) lyase 
E) isomerase

Question 10

A biological catalyst is called a(n)________.

Accepted Answer

A) lipid 
B) enzyme 
C) steroid 
D) coenzyme 
E) substrate 
A) lipid 
B) enzyme 
C) steroid 
D) coenzyme 
E) substrate

Question 11

The active site of an enzyme ________.

Accepted Answer

A) is remote from the site of substrate attachment 
B) is converted to a product 
C) is the region where the reaction takes place 
D) increases the energy of reaction 
E) includes the entire enzyme 
A) is remote from the site of substrate attachment 
B) is converted to a product 
C) is the region where the reaction takes place 
D) increases the energy of reaction 
E) includes the entire enzyme

Question 12

Wool is primarily made up of ________.

Accepted Answer

A) protein 
B) carbohydrate 
C) globin 
D) triacylglycerols 
E) enkephalin 
A) protein 
B) carbohydrate 
C) globin 
D) triacylglycerols 
E) enkephalin

Question 13

When two protein chains combine to form an active protein,the structural level is ________.

Accepted Answer

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

Question 14

In the peptide STFNA,the N-terminus is ________.

Accepted Answer

A) alanine 
B) phenylalanine 
C) tryptophan 
D) aspartate 
E) serine 
A) alanine 
B) phenylalanine 
C) tryptophan 
D) aspartate 
E) serine

Question 15

The general function of an enzyme in the body is to ________.

Accepted Answer

A) catalyze chemical reactions 
B) maintain a neutral pH 
C) act as a reactant in carbohydrate storage 
D) maintain homeostasis 
E) eliminate waste products from the blood 
A) catalyze chemical reactions 
B) maintain a neutral pH 
C) act as a reactant in carbohydrate storage 
D) maintain homeostasis 
E) eliminate waste products from the blood

Question 16

What process occurs when heat,acids,bases,and heavy metal ions cause a loss of biological function of a protein?

Accepted Answer

A) denaturation 
B) saponification 
C) hydrogenation 
D) amidation 
E) esterification 
A) denaturation 
B) saponification 
C) hydrogenation 
D) amidation 
E) esterification

Question 17

In the peptide GLVIW,the C-terminus is ________.

Accepted Answer

A) tryptophan 
B) serotonin 
C) glycine 
D) glycerine 
E) alanine 
A) tryptophan 
B) serotonin 
C) glycine 
D) glycerine 
E) alanine

Question 18

Disulfide bonds in a protein chain connect ________.

Accepted Answer

A) an amine and a carboxylic acid group 
B) an alcohol and a carboxylic acid group 
C) tryptophan and alanine residues 
D) two cysteine residues 
E) two asparagine residues 
A) an amine and a carboxylic acid group 
B) an alcohol and a carboxylic acid group 
C) tryptophan and alanine residues 
D) two cysteine residues 
E) two asparagine residues

Question 19

The following amino acid side chain is ________. -CH-C   |

Accepted Answer

A) polar 
B) hydrophobic 
C) hydrophilic 
D) acidic 
E) basic 
A) polar 
B) hydrophobic 
C) hydrophilic 
D) acidic 
E) basic

Question 20

The structural level represented by the presence of four units in hemoglobin is ________.

Accepted Answer

The answer of The structural level represented by the presence...

Proteins that stimulate immune response are known as ________.

Methionine is an amino acid that contains ________.

The side chain for histidine is classified as a ________ side chain.

The names of many enzymes can be recognized by the suffix ________.

The hydrolysis of ester bonds in triacylglycerols is catalyzed by a ________.

Which of the following is not true for a competitive inhibitor?

In an enzyme,the polypeptide chain folds into a compact shape known as the ________ structure.

To what main class of enzymes does the enzyme that catalyzes the following reaction belong? ser-ala → ser + ala

To what main class of enzymes does the enzyme that catalyzes the following reaction belong? O OH - - COO- → - H- COO-

A biological catalyst is called a(n)________.

The active site of an enzyme ________.

Wool is primarily made up of ________.

When two protein chains combine to form an active protein,the structural level is ________.

In the peptide STFNA,the N-terminus is ________.

The general function of an enzyme in the body is to ________.

What process occurs when heat,acids,bases,and heavy metal ions cause a loss of biological function of a protein?

In the peptide GLVIW,the C-terminus is ________.

Disulfide bonds in a protein chain connect ________.

The following amino acid side chain is ________. -CH-C |

The structural level represented by the presence of four units in hemoglobin is ________.

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Alcohols, thiols, ethers, aldehydes, and Ketones

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Exam 16: Amino Acids, proteins, and Enzymes

Proteins that stimulate immune response are known as ________.

Methionine is an amino acid that contains ________.

The side chain for histidine is classified as a ________ side chain.

The names of many enzymes can be recognized by the suffix ________.

The hydrolysis of ester bonds in triacylglycerols is catalyzed by a ________.

Which of the following is not true for a competitive inhibitor?

In an enzyme,the polypeptide chain folds into a compact shape known as the ________ structure.

To what main class of enzymes does the enzyme that catalyzes the following reaction belong? ser-ala → ser + ala

To what main class of enzymes does the enzyme that catalyzes the following reaction belong? O OH - - COO- → - H- COO-

A biological catalyst is called a(n)________.

The active site of an enzyme ________.

Wool is primarily made up of ________.

When two protein chains combine to form an active protein,the structural level is ________.

In the peptide STFNA,the N-terminus is ________.

The general function of an enzyme in the body is to ________.

What process occurs when heat,acids,bases,and heavy metal ions cause a loss of biological function of a protein?

In the peptide GLVIW,the C-terminus is ________.

Disulfide bonds in a protein chain connect ________.

The following amino acid side chain is ________. -CH-C |

The structural level represented by the presence of four units in hemoglobin is ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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