Question 1

For this line-angle drawing,which condensed structural formula is correct?

Accepted Answer

A) CH3CH2CH2CH2OH 
B) CH3CH(CH3)CH2OH 
C) CH3CH(OH)CH2CH3 
D) CH(CH3)2CH2OH 
A) CH3CH2CH2CH2OH 
B) CH3CH(CH3)CH2OH 
C) CH3CH(OH)CH2CH3 
D) CH(CH3)2CH2OH C

Question 2

Enzymes are

Accepted Answer

A) biochemical catalysts that influence the rate of chemical reactions. 
B) compounds used to relieve inflammation in muscles and joints. 
C) proteins that produce fever and swelling. 
D) special hormones that influence the rate of chemical reactions. 
A) biochemical catalysts that influence the rate of chemical reactions. 
B) compounds used to relieve inflammation in muscles and joints. 
C) proteins that produce fever and swelling. 
D) special hormones that influence the rate of chemical reactions. A

Question 3

What is the structure of the ester that is formed in the following reaction?

Accepted Answer

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

Question 4

Why are many drugs administered as salts rather than as the corresponding neutral compounds?

Accepted Answer

A) Salts have greater water solubility and stability than the neutral compound 
B) As a general rule,salts are more active than the neutral compounds 
C) Salts are generally liquid and therefore more active than the neutral compounds 
D) The salts are less expensive to produce than the corresponding neutral compounds 
A) Salts have greater water solubility and stability than the neutral compound 
B) As a general rule,salts are more active than the neutral compounds 
C) Salts are generally liquid and therefore more active than the neutral compounds 
D) The salts are less expensive to produce than the corresponding neutral compounds

Question 5

If the reaction quotient,Q,is equal to the equilibrium constant,Keq,the reaction will

Accepted Answer

A) continue both forward and reverse reactions to keep the ratio of reactants and products the same. 
B) continue the forward reaction to convert reactants into products. 
C) continue the reverse reaction to convert products into reactants. 
D) halt all reactions. 
A) continue both forward and reverse reactions to keep the ratio of reactants and products the same. 
B) continue the forward reaction to convert reactants into products. 
C) continue the reverse reaction to convert products into reactants. 
D) halt all reactions.

Question 6

Identify the chiral carbon atom in L-dopa (used to treat Parkinson's disease).

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

The term "pharmacophore" was originally described by the Nobel Prize winner Paul Ehrlich more than 100 years ago.What is the meaning of this term?

Accepted Answer

A) The correct dose at which a drug should be administered 
B) The three dimensional arrangement of a drug responsible for its biological activity 
C) The form in which a drug is prepared for oral consumption 
D) The group of compounds responsible for euphoria 
A) The correct dose at which a drug should be administered 
B) The three dimensional arrangement of a drug responsible for its biological activity 
C) The form in which a drug is prepared for oral consumption 
D) The group of compounds responsible for euphoria

Question 8

Modern drug discovery often starts with a large library of compounds.These library studies are important because

Accepted Answer

A) cancerous tissue is much more difficult to target than foreign invaders. 
B) old drugs will never be effective against new targets. 
C) the search will definitely yield a new candidate drug. 
D) the search may yield a number of possible framework pieces to build into a good drug. 
A) cancerous tissue is much more difficult to target than foreign invaders. 
B) old drugs will never be effective against new targets. 
C) the search will definitely yield a new candidate drug. 
D) the search may yield a number of possible framework pieces to build into a good drug.

Question 9

Some steroids are more soluble in water than others.Based on your understanding of the solubility of molecular compounds in water,decide which compound is the most soluble.

Accepted Answer

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

Question 10

Glycolysis I.is stage one of cellular respiration.
II)converts glucose to smaller high energy compounds.
III)requires oxygen to operate.
IV)is utilized by muscles for immediate energy.

Accepted Answer

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

Question 11

Select the true statement about conjugate bases.

Accepted Answer

A) A conjugate base is one product of the reaction of a carboxylic acid with an ester 
B) Conjugate bases are only important for buffers made with strong acids 
C) A conjugate base is one dissociation product of any acid 
D) None of these choices are true about conjugate bases 
A) A conjugate base is one product of the reaction of a carboxylic acid with an ester 
B) Conjugate bases are only important for buffers made with strong acids 
C) A conjugate base is one dissociation product of any acid 
D) None of these choices are true about conjugate bases

Question 12

Which region of cholesterol is most responsible for its solubility in nonpolar substances?

Accepted Answer

A) Region 1 
B) Region 2 
C) Region 3 
D) Region 4 
A) Region 1 
B) Region 2 
C) Region 3 
D) Region 4

Question 13

Amino acids are compounds that contain both amine and organic acid functional groups.Which compound is an amino acid?

Accepted Answer

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

Question 14

Vitamin E has many promising pharmacological benefits.Which of the following statements about vitamin E are false?

Accepted Answer

A) Vitamin E is a mixture of structural and optical isomers 
B) Biological systems will only absorb and concentrate some vitamin E isomers 
C) Vitamin E plays a role in fetal development 
D) The L-form of vitamin E can cause accelerated heart rate 
A) Vitamin E is a mixture of structural and optical isomers 
B) Biological systems will only absorb and concentrate some vitamin E isomers 
C) Vitamin E plays a role in fetal development 
D) The L-form of vitamin E can cause accelerated heart rate

Question 15

If the reaction quotient,Q,is higher than the equilibrium constant,Keq,the reaction will

Accepted Answer

A) continue both forward and reverse reactions to keep the ratio of reactants and products the same. 
B) continue the forward reaction to convert reactants into products. 
C) continue the reverse reaction to convert products into reactants. 
D) halt all reactions. 
A) continue both forward and reverse reactions to keep the ratio of reactants and products the same. 
B) continue the forward reaction to convert reactants into products. 
C) continue the reverse reaction to convert products into reactants. 
D) halt all reactions.

Question 16

Ammonium (NH4+) has a pKa of 9.3.Select the majority species at pH = 10

Accepted Answer

A) NH3+ 
B) NH3. 
C) NH4+ 
D) NH5+ 
A) NH3+ 
B) NH3. 
C) NH4+ 
D) NH5+

Question 17

Which functional group contains a nitrogen atom?

Accepted Answer

A) Alcohol 
B) Amine 
C) Ester 
D) Ether 
A) Alcohol 
B) Amine 
C) Ester 
D) Ether

Question 18

Radioisotopes and ionizing radiation I.allow us to develop high resolution images of some tissues.
II)were hypothesized for medical use over a century ago.
III)can induce apoptosis in cancerous tissues.
IV)are always selective for cancerous tissues.

Accepted Answer

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

Question 19

Which of the following is not a correct pair a biological macromolecule class with one of its functions?

Accepted Answer

A) Nucleic acids;information transfer 
B) Lipids;protection 
C) Proteins;cellular structure 
D) Polysaccharides;catalysis 
A) Nucleic acids;information transfer 
B) Lipids;protection 
C) Proteins;cellular structure 
D) Polysaccharides;catalysis

Question 20

Identify groups of structural isomers among the compounds below.

Accepted Answer

A) 3 and 5 AND 1 and 4 
B) 2 and 3 
C) 1,3 and 5 
D) 1 and 4 
A) 3 and 5 AND 1 and 4 
B) 2 and 3 
C) 1,3 and 5 
D) 1 and 4

For this line-angle drawing,which condensed structural formula is correct?

Enzymes are

What is the structure of the ester that is formed in the following reaction?

Why are many drugs administered as salts rather than as the corresponding neutral compounds?

If the reaction quotient,Q,is equal to the equilibrium constant,K_eq,the reaction will

Identify the chiral carbon atom in L-dopa (used to treat Parkinson's disease).

The term "pharmacophore" was originally described by the Nobel Prize winner Paul Ehrlich more than 100 years ago.What is the meaning of this term?

Modern drug discovery often starts with a large library of compounds.These library studies are important because

Some steroids are more soluble in water than others.Based on your understanding of the solubility of molecular compounds in water,decide which compound is the most soluble.

Glycolysis I.is stage one of cellular respiration. II)converts glucose to smaller high energy compounds. III)requires oxygen to operate. IV)is utilized by muscles for immediate energy.

Select the true statement about conjugate bases.

Which region of cholesterol is most responsible for its solubility in nonpolar substances?

Amino acids are compounds that contain both amine and organic acid functional groups.Which compound is an amino acid?

Vitamin E has many promising pharmacological benefits.Which of the following statements about vitamin E are false?

If the reaction quotient,Q,is higher than the equilibrium constant,K_eq,the reaction will

Ammonium (NH₄⁺) has a pKa of 9.3.Select the majority species at pH = 10

Which functional group contains a nitrogen atom?

Radioisotopes and ionizing radiation I.allow us to develop high resolution images of some tissues. II)were hypothesized for medical use over a century ago. III)can induce apoptosis in cancerous tissues. IV)are always selective for cancerous tissues.

Which of the following is not a correct pair a biological macromolecule class with one of its functions?

Identify groups of structural isomers among the compounds below.

Portable Electronics: the Periodic Table in the Palm of Your Hand

The Air We Breathe

Radiation From the Sun

Climate Change

Energy From Combustion

Energy From Alternative Sources

Energy Storage

Water Everywhere: A Most Precious Resource

The World of Polymers and Plastics

Brewing and Chewing

Nutrition

Genes and Life

Who Killed Drthompson a Forensic Mystery

Filters

Exam 12: Health Medicine

For this line-angle drawing,which condensed structural formula is correct?

Enzymes are

What is the structure of the ester that is formed in the following reaction?

Why are many drugs administered as salts rather than as the corresponding neutral compounds?

If the reaction quotient,Q,is equal to the equilibrium constant,Keq,the reaction will

Identify the chiral carbon atom in L-dopa (used to treat Parkinson's disease).

The term "pharmacophore" was originally described by the Nobel Prize winner Paul Ehrlich more than 100 years ago.What is the meaning of this term?

Modern drug discovery often starts with a large library of compounds.These library studies are important because

Some steroids are more soluble in water than others.Based on your understanding of the solubility of molecular compounds in water,decide which compound is the most soluble.

Glycolysis I.is stage one of cellular respiration. II)converts glucose to smaller high energy compounds. III)requires oxygen to operate. IV)is utilized by muscles for immediate energy.

Select the true statement about conjugate bases.

Which region of cholesterol is most responsible for its solubility in nonpolar substances?

Amino acids are compounds that contain both amine and organic acid functional groups.Which compound is an amino acid?

Vitamin E has many promising pharmacological benefits.Which of the following statements about vitamin E are false?

If the reaction quotient,Q,is higher than the equilibrium constant,Keq,the reaction will

Ammonium (NH4+) has a pKa of 9.3.Select the majority species at pH = 10

Which functional group contains a nitrogen atom?

Radioisotopes and ionizing radiation I.allow us to develop high resolution images of some tissues. II)were hypothesized for medical use over a century ago. III)can induce apoptosis in cancerous tissues. IV)are always selective for cancerous tissues.

Which of the following is not a correct pair a biological macromolecule class with one of its functions?

Identify groups of structural isomers among the compounds below.

Portable Electronics: the Periodic Table in the Palm of Your Hand

The Air We Breathe

Radiation From the Sun

Climate Change

Energy From Combustion

Energy From Alternative Sources

Energy Storage

Water Everywhere: A Most Precious Resource

The World of Polymers and Plastics

Brewing and Chewing

Nutrition

Genes and Life

Who Killed Drthompson a Forensic Mystery

Filters

If the reaction quotient,Q,is equal to the equilibrium constant,K_eq,the reaction will

If the reaction quotient,Q,is higher than the equilibrium constant,K_eq,the reaction will

Ammonium (NH₄⁺) has a pKa of 9.3.Select the majority species at pH = 10