Question 1

A compound that binds to an enzyme,and changes its shape so that a substrate cannot enter the active site,is called a(n)________.

Accepted Answer

A) coenzyme 
B) proenzyme 
C) steroid 
D) noncompetitive inhibitor 
E) competitive inhibitor 
A) coenzyme 
B) proenzyme 
C) steroid 
D) noncompetitive inhibitor 
E) competitive inhibitor

Question 2

In the peptide Ser-Cys-Ala-Gly,the C-terminus is ________.

Accepted Answer

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

Question 3

One heavy metal that can cause denaturation of a protein is ________.

Accepted Answer

A) silver 
B) sodium 
C) barium 
D) iron 
E) calcium 
A) silver 
B) sodium 
C) barium 
D) iron 
E) calcium

Question 4

Write the condensed structural formula of glycine.

Accepted Answer

The answer of Write the condensed structural formula of glycine....

Question 5

The side chain for valine 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

Question 6

Most enzymes are deactivated permanently above a temperature of about ________.

Accepted Answer

A) 25 °C 
B) 37 °F 
C) 40 °C 
D) 45 °F 
E) 50 °C 
A) 25 °C 
B) 37 °F 
C) 40 °C 
D) 45 °F 
E) 50 °C

Question 7

The structure of collagen consists of ________.

Accepted Answer

A) single α-helix strands 
B) double α-helix strands 
C) many α-helixes wound into fibrils 
D) a braided triple helix 
E) many glycoside links 
A) single α-helix strands 
B) double α-helix strands 
C) many α-helixes wound into fibrils 
D) a braided triple helix 
E) many glycoside links

Question 8

A noncompetitive inhibitor ________.

Accepted Answer

A) binds at the active site of the enzyme 
B) alters the three-dimensional structure of the enzyme 
C) increases the rate of the enzyme-catalyzed reaction 
D) has a structure similar to the substrate 
E) has its effect reversed by adding more substrate 
A) binds at the active site of the enzyme 
B) alters the three-dimensional structure of the enzyme 
C) increases the rate of the enzyme-catalyzed reaction 
D) has a structure similar to the substrate 
E) has its effect reversed by adding more substrate

Question 9

The optimum temperature for sucrase activity is 37 °C.The hydrolysis of sucrose is slowest at which temperature in the choices below?

Accepted Answer

A) 0 °C 
B) 10 °C 
C) 20 °C 
D) 25 °C 
E) 45 °C 
A) 0 °C 
B) 10 °C 
C) 20 °C 
D) 25 °C 
E) 45 °C

Question 10

Collagen can be classified as a ________ protein.

Accepted Answer

The answer of Collagen can be classified as a ________...

A compound that binds to an enzyme,and changes its shape so that a substrate cannot enter the active site,is called a(n)________.

In the peptide Ser-Cys-Ala-Gly,the C-terminus is ________.

One heavy metal that can cause denaturation of a protein is ________.

Write the condensed structural formula of glycine.

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

Most enzymes are deactivated permanently above a temperature of about ________.

The structure of collagen consists of ________.

A noncompetitive inhibitor ________.

The optimum temperature for sucrase activity is 37 °C.The hydrolysis of sucrose is slowest at which temperature in the choices below?

Collagen can be classified as a ________ protein.

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

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Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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Exam 16: Amino Acids, proteins, and Enzymes

A compound that binds to an enzyme,and changes its shape so that a substrate cannot enter the active site,is called a(n)________.

In the peptide Ser-Cys-Ala-Gly,the C-terminus is ________.

One heavy metal that can cause denaturation of a protein is ________.

Write the condensed structural formula of glycine.

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

Most enzymes are deactivated permanently above a temperature of about ________.

The structure of collagen consists of ________.

A noncompetitive inhibitor ________.

The optimum temperature for sucrase activity is 37 °C.The hydrolysis of sucrose is slowest at which temperature in the choices below?

Collagen can be classified as a ________ protein.

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

Filters