Question 1

The bases on one strand of DNA pair with bases on the other strand of DNA through hydrogen bonding.

Accepted Answer

A) True 
 B)False

Question 2

Which protein structure provides the arrangement of polypeptides?

Accepted Answer

A) Primary Structure 
B) Secondary Structure 
C) Tertiary Structure 
D) Quaternary Structure 
E) Pental Structure 
A) Primary Structure 
B) Secondary Structure 
C) Tertiary Structure 
D) Quaternary Structure 
E) Pental Structure

Question 3

Lipids include all of the following compounds EXCEPT:

Accepted Answer

A) fatty acids. 
B) fats. 
C) oils. 
D) amino acids. 
E) All of the above are lipids. 
A) fatty acids. 
B) fats. 
C) oils. 
D) amino acids. 
E) All of the above are lipids.

Question 4

An example of a disaccharide is:

Accepted Answer

A) glucose. 
B) sucrose. 
C) cellulose. 
D) glycogen. 
E) both C and D 
A) glucose. 
B) sucrose. 
C) cellulose. 
D) glycogen. 
E) both C and D

Question 5

Proteins are polymers of amino acids.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is an unsaturated fatty acid?

Accepted Answer

A) oleic acid 
B) palmitic acid 
C) myristic acid 
D) butyric acid 
E) All of the above are saturated fatty acids. 
A) oleic acid 
B) palmitic acid 
C) myristic acid 
D) butyric acid 
E) All of the above are saturated fatty acids.

Question 7

Which type of structure is maintained by interaction between R-groups on amino acids that are separated by short distances on the same chain?

Accepted Answer

A) Primary Structure 
B) Secondary Structure 
C) Tertiary Structure 
D) Quaternary Structure 
E) Pental Structure 
A) Primary Structure 
B) Secondary Structure 
C) Tertiary Structure 
D) Quaternary Structure 
E) Pental Structure

Question 8

The polar section of a phospholipid is said to be hydrophobic.

Accepted Answer

A) True 
 B)False

Question 9

Pleated sheet is a tertiary protein structure.

Accepted Answer

A) True 
 B)False

Question 10

A codon is:

Accepted Answer

A) a series of three bases that specifies one of the twenty amino acids. 
B) a series of three phosphates that specifies one of the twenty amino acids. 
C) a series of three sugars that specifies one of the twenty amino acids. 
D) a series of three proteins that specify one of the twenty amino acids. 
E) none of the above 
A) a series of three bases that specifies one of the twenty amino acids. 
B) a series of three phosphates that specifies one of the twenty amino acids. 
C) a series of three sugars that specifies one of the twenty amino acids. 
D) a series of three proteins that specify one of the twenty amino acids. 
E) none of the above

Question 11

A fatty acid has a long chain of carbon atoms that ends with a carboxylic acid.

Accepted Answer

A) True 
 B)False

Question 12

The exact shape that a protein takes depends on the types of amino acids and their sequence in the protein chain.

Accepted Answer

A) True 
 B)False

Question 13

Which base is found in RNA but NOT in DNA?

Accepted Answer

A) uracil 
B) thymine 
C) guanine 
D) cytosine 
E) adenine 
A) uracil 
B) thymine 
C) guanine 
D) cytosine 
E) adenine

Question 14

The pattern Gly-Val-Gln-Cys-Cys-Ala-Ser-Val is an example of a primary protein structure.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following statements about fats and oils is FALSE?

Accepted Answer

A) Fats and oils are made of a fatty acid with three glycerides bonded to it. 
B) The bonds between the fatty acids and the glycerol is an ester linkage. 
C) A saturated fatty acid contains only single bonds between carbon atoms. 
D) An unsaturated fatty acid contains some double or triple bonds. 
E) All of the above statements are true. 
A) Fats and oils are made of a fatty acid with three glycerides bonded to it. 
B) The bonds between the fatty acids and the glycerol is an ester linkage. 
C) A saturated fatty acid contains only single bonds between carbon atoms. 
D) An unsaturated fatty acid contains some double or triple bonds. 
E) All of the above statements are true.

Question 16

The region of the cell that contains specialized structures that carry out the cell's work is called ________.

Accepted Answer

A) nucleus 
B) cell wall 
C) cell membrane 
D) cytoplasm 
E) none of the above 
A) nucleus 
B) cell wall 
C) cell membrane 
D) cytoplasm 
E) none of the above

Question 17

Which of the following statements correctly explains the formation of a peptide bond between two amino acids?

Accepted Answer

A) The amine end of one links with the amine end of the other. 
B) The carboxylic acid end of one links with the carboxylic acid end of the other. 
C) The amine end of one links with the carboxylic acid end of the other and eliminates a water molecule. 
D) The carboxylic acid end of one links with the carboxylic acid end of the other and eliminates a water molecule. 
E) none of the above 
A) The amine end of one links with the amine end of the other. 
B) The carboxylic acid end of one links with the carboxylic acid end of the other. 
C) The amine end of one links with the carboxylic acid end of the other and eliminates a water molecule. 
D) The carboxylic acid end of one links with the carboxylic acid end of the other and eliminates a water molecule. 
E) none of the above

Question 18

Enzymes that act as catalysts are called proteins.

Accepted Answer

A) True 
 B)False

Question 19

The smallest structural unit of a living organism is the cell nucleus.

Accepted Answer

A) True 
 B)False

Question 20

The portion of the cell that contains the genetic information is called ________.

Accepted Answer

A) cytoplasm 
B) membrane 
C) nucleus 
D) mitochondria 
E) none of the above 
A) cytoplasm 
B) membrane 
C) nucleus 
D) mitochondria 
E) none of the above

The bases on one strand of DNA pair with bases on the other strand of DNA through hydrogen bonding.

Which protein structure provides the arrangement of polypeptides?

Lipids include all of the following compounds EXCEPT:

An example of a disaccharide is:

Proteins are polymers of amino acids.

Which of the following is an unsaturated fatty acid?

Which type of structure is maintained by interaction between R-groups on amino acids that are separated by short distances on the same chain?

The polar section of a phospholipid is said to be hydrophobic.

Pleated sheet is a tertiary protein structure.

A codon is:

A fatty acid has a long chain of carbon atoms that ends with a carboxylic acid.

The exact shape that a protein takes depends on the types of amino acids and their sequence in the protein chain.

Which base is found in RNA but NOT in DNA?

The pattern Gly-Val-Gln-Cys-Cys-Ala-Ser-Val is an example of a primary protein structure.

Which of the following statements about fats and oils is FALSE?

The region of the cell that contains specialized structures that carry out the cell's work is called ________.

Which of the following statements correctly explains the formation of a peptide bond between two amino acids?

Enzymes that act as catalysts are called proteins.

The smallest structural unit of a living organism is the cell nucleus.

The portion of the cell that contains the genetic information is called ________.

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Electrons in Atoms and the Periodic Table

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Exam 19: Biochemistry

The bases on one strand of DNA pair with bases on the other strand of DNA through hydrogen bonding.

Which protein structure provides the arrangement of polypeptides?

Lipids include all of the following compounds EXCEPT:

An example of a disaccharide is:

Proteins are polymers of amino acids.

Which of the following is an unsaturated fatty acid?

Which type of structure is maintained by interaction between R-groups on amino acids that are separated by short distances on the same chain?

The polar section of a phospholipid is said to be hydrophobic.

Pleated sheet is a tertiary protein structure.

A codon is:

A fatty acid has a long chain of carbon atoms that ends with a carboxylic acid.

The exact shape that a protein takes depends on the types of amino acids and their sequence in the protein chain.

Which base is found in RNA but NOT in DNA?

The pattern Gly-Val-Gln-Cys-Cys-Ala-Ser-Val is an example of a primary protein structure.

Which of the following statements about fats and oils is FALSE?

The region of the cell that contains specialized structures that carry out the cell's work is called ________.

Which of the following statements correctly explains the formation of a peptide bond between two amino acids?

Enzymes that act as catalysts are called proteins.

The smallest structural unit of a living organism is the cell nucleus.

The portion of the cell that contains the genetic information is called ________.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Filters