Question 1

Which of the following statements is TRUE?

Accepted Answer

A) A nucleotide is composed of a sugar, a base, and a sulfate group. 
B) A codon is a sequence of three bases that codes for a single peptide. 
C) A gene is a portion of DNA that codes for a single protein. 
D) Three bases in a sequence form a chromosome, and a set of chromosmes builds up DNA. 
E) Two helices that form one DNA molecule are held together by peptide bonds. 
A) A nucleotide is composed of a sugar, a base, and a sulfate group. 
B) A codon is a sequence of three bases that codes for a single peptide. 
C) A gene is a portion of DNA that codes for a single protein. 
D) Three bases in a sequence form a chromosome, and a set of chromosmes builds up DNA. 
E) Two helices that form one DNA molecule are held together by peptide bonds.

Question 2

In the sequence Arg-Pro-Leu-Gln, which amino acid contains the C-terminal group?

Accepted Answer

A) proline 
B) leucine 
C) glutamine 
D) arginine 
A) proline 
B) leucine 
C) glutamine 
D) arginine

Question 3

Choose the polyunsaturated fatty acid from the compounds below.

Accepted Answer

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

Question 4

How do cis- and trans-fats differ?

Accepted Answer

Since trans double-bond-containing molec

Question 5

Why are lipids well-suited as structural components of cell membranes?

Accepted Answer

Lipids are hydrophobic molecules that ar

Question 6

Choose the saturated triglyceride from the compounds below.

Accepted Answer

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

Question 7

Which of the following is an example of a ketopentose?

Accepted Answer

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

Question 8

Choose the polysaccharide from the compounds below.

Accepted Answer

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

Question 9

Match the following.

-

Accepted Answer

A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid 
A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid

Question 10

Monosaccharide units are bonded together to form polysaccharides by which of the following?

Accepted Answer

A) peptide bonds 
B) glycosidic linkages 
C) disulfide linkages 
D) hydrogen bonds 
E) ester linkages 
A) peptide bonds 
B) glycosidic linkages 
C) disulfide linkages 
D) hydrogen bonds 
E) ester linkages

Question 11

Which of the following statements is TRUE?

Accepted Answer

A) Monosaccharides are the building blocks of polypeptides. 
B) Nucleotides are the building blocks of saccharides. 
C) Fatty acids are responsible for DNA replication. 
D) Peptides are the building blocks of amino acids. 
E) Carbohydrates are water soluble and responsible for short-term energy storage. 
A) Monosaccharides are the building blocks of polypeptides. 
B) Nucleotides are the building blocks of saccharides. 
C) Fatty acids are responsible for DNA replication. 
D) Peptides are the building blocks of amino acids. 
E) Carbohydrates are water soluble and responsible for short-term energy storage.

Question 12

Choose the monosaccharide from the compounds below.

Accepted Answer

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

Question 13

Which of the following link together into amino acid units?

Accepted Answer

A) glycosidic linkages 
B) disulfide linkages 
C) peptide bonds 
D) hydrogen bonds 
E) ester linkages 
A) glycosidic linkages 
B) disulfide linkages 
C) peptide bonds 
D) hydrogen bonds 
E) ester linkages

Question 14

Match the following.

-

Accepted Answer

A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid 
A) glycine 
B) lysine 
C) alanine 
D) serine 
E) phenylalanine
F)aspartic acid

Question 15

Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?

Accepted Answer

A) GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly 
B) GlyValLeu, GlyLeuVal, LeuGlyVal 
C) ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal 
D) ValGlyLeu and GlyLeuVal 
E) GlyValLeu 
A) GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly 
B) GlyValLeu, GlyLeuVal, LeuGlyVal 
C) ValGlyLeu, GlyValLeu, GlyLeuVal, LeuGlyVal 
D) ValGlyLeu and GlyLeuVal 
E) GlyValLeu

Which of the following statements is TRUE?

In the sequence Arg-Pro-Leu-Gln, which amino acid contains the C-terminal group?

Choose the polyunsaturated fatty acid from the compounds below.

How do cis- and trans-fats differ?

Why are lipids well-suited as structural components of cell membranes?

Choose the saturated triglyceride from the compounds below.

Which of the following is an example of a ketopentose?

Choose the polysaccharide from the compounds below.

Match the following. -

Monosaccharide units are bonded together to form polysaccharides by which of the following?

Which of the following statements is TRUE?

Choose the monosaccharide from the compounds below.

Which of the following link together into amino acid units?

Match the following. -

Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Chemistry of the Nonmetals

Metals and Metallury

Transition Metals and Coordination Compounds

Filters

Exam 22: Biochemistry

Which of the following statements is TRUE?

In the sequence Arg-Pro-Leu-Gln, which amino acid contains the C-terminal group?

Choose the polyunsaturated fatty acid from the compounds below.

How do cis- and trans-fats differ?

Why are lipids well-suited as structural components of cell membranes?

Choose the saturated triglyceride from the compounds below.

Which of the following is an example of a ketopentose?

Choose the polysaccharide from the compounds below.

Match the following. -

Monosaccharide units are bonded together to form polysaccharides by which of the following?

Which of the following statements is TRUE?

Choose the monosaccharide from the compounds below.

Which of the following link together into amino acid units?

Match the following. -

Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Chemistry of the Nonmetals

Metals and Metallury

Transition Metals and Coordination Compounds

Filters