Question 1

This molecule is ________

Accepted Answer

A) a lipid. 
B) a fatty acid. 
C) an amino acid. 
D) a nucleic acid. 
E) a saccharide. 
A) a lipid. 
B) a fatty acid. 
C) an amino acid. 
D) a nucleic acid. 
E) a saccharide.

Question 2

Write the names that the acronyms DNA and RNA represent.

Accepted Answer

deoxyribon

Question 3

Which one of the following molecules is chiral?

Accepted Answer

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

Question 4

Which of the following are not amino acids?
I.   
II.   
III.   
IV.

Accepted Answer

A) III and IV 
B) I and II 
C) I and IV 
D) II and III only 
E) II and IV only 
A) III and IV 
B) I and II 
C) I and IV 
D) II and III only 
E) II and IV only

Question 5

For each of the bonds in the figure below, identify whether the bond is cis, trans, or neither cis nor trans.

Accepted Answer

I-neither;

Question 6

Which of the following compounds is an F1F1F1S1F1F1F10-amino acid?

Accepted Answer

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

Question 7

The assembly and interaction of coils and sheets in a polypeptide to produce the overall three-dimensional shape are described by the term ________

Accepted Answer

A) primary structure. 
B) secondary structure. 
C) tertiary structure. 
D) long-range structure. 
E) quaternary structure. 
A) primary structure. 
B) secondary structure. 
C) tertiary structure. 
D) long-range structure. 
E) quaternary structure.

Question 8

For each of the bonds in the figure below, identify whether the bond is cis, trans, or neither cis nor trans.

Accepted Answer

A) I-cis; II-trans; III-cis 
B) I-trans; II-cis; III-trans 
C) I-neither; II-trans; III-cis 
D) I-neither; II-cis; III-trans 
E) I-neither; II-cis; III-cis 
A) I-cis; II-trans; III-cis 
B) I-trans; II-cis; III-trans 
C) I-neither; II-trans; III-cis 
D) I-neither; II-cis; III-trans 
E) I-neither; II-cis; III-cis

Question 9

Which of the following saccharides, if any, can be found in a nucleic acid?

Accepted Answer

A) sucrose 
B) glucose 
C) fructose 
D) ribose 
E) None, a nucleic acid is not a carbohydrate. 
A) sucrose 
B) glucose 
C) fructose 
D) ribose 
E) None, a nucleic acid is not a carbohydrate.

Question 10

A carbohydrate has an empirical formula of ________

Accepted Answer

A) CH2O. 
B) C6H12O6. 
C) C12H22O11. 
D) C2H4O2. 
E) C3H6O3. 
A) CH2O. 
B) C6H12O6. 
C) C12H22O11. 
D) C2H4O2. 
E) C3H6O3.

Question 11

Which of the following sugars is glucose?

Accepted Answer

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

Question 12

Identify each of the following molecules as one of the major structure classes of biomolecules discussed in the chapter.

Accepted Answer

The answer of Identify each of the following molecules as...

Question 13

Table sugar is ________

Accepted Answer

A) glucose. 
B) fructose. 
C) cellobiose. 
D) a monosaccharide. 
E) sucrose. 
A) glucose. 
B) fructose. 
C) cellobiose. 
D) a monosaccharide. 
E) sucrose.

Question 14

Identify the peptide bond in a derivative of aspartame, a popular artificial sweetener with the trade name NutraSweet.

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 15

Which of the following molecular formulas identifies a carbohydrate?

Accepted Answer

A) CH2O 
B) C6H12O6 
C) C12H22O11 
D)    
E) C12H6O12 
A) CH2O 
B) C6H12O6 
C) C12H22O11 
D)    
E) C12H6O12

Question 16

Which of the following is not a lipid?

Accepted Answer

A) fatty acid esters 
B) cholesterol 
C) fats 
D) cellulose 
E) oils 
A) fatty acid esters 
B) cholesterol 
C) fats 
D) cellulose 
E) oils

Question 17

A disaccharide has a molecular formula of ________

Accepted Answer

A) CH2O. 
B) C6H10O5. 
C) C12H22O11. 
D) C2H4O2. 
E) C12H24O12. 
A) CH2O. 
B) C6H10O5. 
C) C12H22O11. 
D) C2H4O2. 
E) C12H24O12.

Question 18

An F1F1F1S1F1F1F10-amino acid is one in which the amine group and the carboxylic acid group are attached to ________

Accepted Answer

A) different carbon atoms. 
B) different nitrogen atoms. 
C) the same carbon atom. 
D) the first and third carbon of the molecule. 
E) neighboring carbon atoms. 
A) different carbon atoms. 
B) different nitrogen atoms. 
C) the same carbon atom. 
D) the first and third carbon of the molecule. 
E) neighboring carbon atoms.

Question 19

DNA contains the sugar ________ and the base ________.

Accepted Answer

A) ribose; uracil 
B) deoxyribose; uracil 
C) fructose; uracil 
D) ribose; thymine 
E) deoxyribose; thymine 
A) ribose; uracil 
B) deoxyribose; uracil 
C) fructose; uracil 
D) ribose; thymine 
E) deoxyribose; thymine

Question 20

Aspirin has the chemical structure shown below. Which of the noted functional groups are found in the molecule?

Accepted Answer

A) only an alcohol 
B) only a carboxylic acid 
C) both an alcohol and a carboxylic acid 
D) only an ester 
E) both a carboxylic acid and an ester 
A) only an alcohol 
B) only a carboxylic acid 
C) both an alcohol and a carboxylic acid 
D) only an ester 
E) both a carboxylic acid and an ester

Exam 20: Organic and Biological Molecules: the Compounds of Life

This molecule is ________

Write the names that the acronyms DNA and RNA represent.

Which one of the following molecules is chiral?

Which of the following are not amino acids? I. II. III. IV.

For each of the bonds in the figure below, identify whether the bond is cis, trans, or neither cis nor trans.

Which of the following compounds is an -amino acid?

The assembly and interaction of coils and sheets in a polypeptide to produce the overall three-dimensional shape are described by the term ________

For each of the bonds in the figure below, identify whether the bond is cis, trans, or neither cis nor trans.

Which of the following saccharides, if any, can be found in a nucleic acid?

A carbohydrate has an empirical formula of ________

Which of the following sugars is glucose?

Identify each of the following molecules as one of the major structure classes of biomolecules discussed in the chapter.

Table sugar is ________

Identify the peptide bond in a derivative of aspartame, a popular artificial sweetener with the trade name NutraSweet.

Which of the following molecular formulas identifies a carbohydrate?

Which of the following is not a lipid?

A disaccharide has a molecular formula of ________

An -amino acid is one in which the amine group and the carboxylic acid group are attached to ________

DNA contains the sugar ________ and the base ________.

Aspirin has the chemical structure shown below. Which of the noted functional groups are found in the molecule?

Matter and Energy: The Origin of the Universe

Atoms, Ions, and Molecules: Matter Starts Here

Stoichiometry: Mass, Formulas, and Reactions

Solution Chemistry: The Hydrosphere

Thermochemistry: Energy Changes in Reactions

Properties of Gases: The Air We Breathe

A Quantum Model of Atoms: Waves and Particles

Chemical Bonds: What Makes a Gas a Greenhouse Gas

Molecular Geometry: Shape Determines Function

Intermolecular Forces: The Uniqueness of Water

Solutions: Properties and Behavior

Solids: Crystals, Alloys, and Polymers

Chemical Kinetics: Reactions in the Atmosphere

Chemical Equilibrium: How Much Product Does a Reaction Really Make

Acidbase Equilibria: Proton Transfer in Biological Systems

Additional Aqueous Equilibria: Chemistry and the Oceans

Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes

Electrochemistry: The Quest for Clean Energy

Nuclear Chemistry: Applications to Energy and Medicine

The Main Group Elements: Life and the Periodic Table

Transition Metals: Biological and Medical Applications

Filters

DNA contains the sugar and the base .