Question 1

The four cyclic amine bases that occur in DNA are ________,________,________,and ________.

Accepted Answer

adenine,gu

Question 2

What is the complementary mRNA sequence to GCTATACCGT?

Accepted Answer

A) ATCGCGTTAC 
B) CGAUAUGGCA 
C) TUGCGCUUTG 
D) UTCGCGTTUC 
A) ATCGCGTTAC 
B) CGAUAUGGCA 
C) TUGCGCUUTG 
D) UTCGCGTTUC

Question 3

The names of compounds with carbon-carbon double bonds contain the suffix

Accepted Answer

A) -ane. 
B) -ene. 
C) -yne. 
D) -one. 
A) -ane. 
B) -ene. 
C) -yne. 
D) -one.

Question 4

Which of the structures below are identical?

Accepted Answer

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

Question 5

Identify the amino acid shown below.

Accepted Answer

A) Methionine (Met) 
B) Phenylalanine (Phe) 
C) Proline (Pro) 
D) Tryptophan (Trp) 
A) Methionine (Met) 
B) Phenylalanine (Phe) 
C) Proline (Pro) 
D) Tryptophan (Trp)

Question 6

How many isomers are there for C4H10?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 7

Identify the amino acid shown below.

Accepted Answer

A) Arganine (Arg) 
B) Histidine (His) 
C) Lysine (Lys) 
D) Valine (Val) 
A) Arganine (Arg) 
B) Histidine (His) 
C) Lysine (Lys) 
D) Valine (Val)

Question 8

What is the IUPAC name for the continuous carbon chain of C4H10?

Accepted Answer

A) butane 
B) methane 
C) butene 
D) octyne 
A) butane 
B) methane 
C) butene 
D) octyne

Question 9

Which substance is a monosaccharide?

Accepted Answer

A) cellulose 
B) glucose 
C) glycogen 
D) starch 
A) cellulose 
B) glucose 
C) glycogen 
D) starch

Question 10

Which of the following statements best describes the difference between vegetable oils and animal fats?

Accepted Answer

A) Animals fats have more carboxylic acid groups. 
B) Vegetable oils have carbon chains with more unsaturated bonds. 
C) Vegetable oils have more alcohol groups. 
D) Animal fats have more unsaturated bonds. 
A) Animals fats have more carboxylic acid groups. 
B) Vegetable oils have carbon chains with more unsaturated bonds. 
C) Vegetable oils have more alcohol groups. 
D) Animal fats have more unsaturated bonds.

Question 11

Which one of the following amino acids does not contain a basic side chain?

Accepted Answer

A) arginine 
B) histidine 
C) lysine 
D) glutamine 
A) arginine 
B) histidine 
C) lysine 
D) glutamine

Question 12

Which structure is 1,2-dibromobenzene?

Accepted Answer

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

Question 13

The molecule CH3CH2CO2CH2CO2H contains an ________ functional group and a ________ functional group.

Accepted Answer

ester,carb

Question 14

Identify the amine.

Accepted Answer

A) CH3CH2COOCH3 
B) CH3CH2CH=CHCH3 
C) CH3CH2OH  
D) CH3CH2H2 
A) CH3CH2COOCH3 
B) CH3CH2CH=CHCH3 
C) CH3CH2OH  
D) CH3CH2H2

Question 15

The structure of DNA was proposed by

Accepted Answer

A) Einstein. 
B) Curie. 
C) Watson and Crick. 
D) Copernicus. 
A) Einstein. 
B) Curie. 
C) Watson and Crick. 
D) Copernicus.

Question 16

The molecules CH3CH2CH2CH2C   CH and CH3CH2CH2CH2CH=CH2,respectively,belong to the ________ family and the ________ family of organic molecules.

Accepted Answer

Question 17

Approximately what mass percent of a body's dry weight consists of proteins?

Accepted Answer

A) 5% 
B) 40% 
C) 50% 
D) 70% 
A) 5% 
B) 40% 
C) 50% 
D) 70%

Question 18

What is the name of the following structure?

Accepted Answer

A) tert-butylethyne 
B) 3,3-dimethyl-1-pentyne 
C) 3-ethyl-3-methyl-1-butyne 
D) trans-ethylmethylbutyne 
A) tert-butylethyne 
B) 3,3-dimethyl-1-pentyne 
C) 3-ethyl-3-methyl-1-butyne 
D) trans-ethylmethylbutyne

Question 19

The molecule H2NCH2CH2CH2OH contains an ________ functional group and an ________ functional group.

Accepted Answer

Question 20

Which of the following does not contain a carbonyl group,C=O?

Accepted Answer

A) an alkene 
B) a ketone 
C) an amide 
D) an ester 
A) an alkene 
B) a ketone 
C) an amide 
D) an ester

Exam 23: Connections to Organic and Biological Chemistry

The four cyclic amine bases that occur in DNA are ________,________,________,and ________.

What is the complementary mRNA sequence to GCTATACCGT?

The names of compounds with carbon-carbon double bonds contain the suffix

Which of the structures below are identical?

Identify the amino acid shown below.

How many isomers are there for C4H10?

Identify the amino acid shown below.

What is the IUPAC name for the continuous carbon chain of C4H10?

Which substance is a monosaccharide?

Which of the following statements best describes the difference between vegetable oils and animal fats?

Which one of the following amino acids does not contain a basic side chain?

Which structure is 1,2-dibromobenzene?

The molecule CH3CH2CO2CH2CO2H contains an ________ functional group and a ________ functional group.

Identify the amine.

The structure of DNA was proposed by

The molecules CH3CH2CH2CH2C CH and CH3CH2CH2CH2CH=CH2,respectively,belong to the ________ family and the ________ family of organic molecules.

Approximately what mass percent of a body's dry weight consists of proteins?

What is the name of the following structure?

The molecule H2NCH2CH2CH2OH contains an ________ functional group and an ________ functional group.

Which of the following does not contain a carbonyl group,C=O?

Chemical Tools: Experimentation and Measurement

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Filters

The four cyclic amine bases that occur in DNA are ,,,and .

How many isomers are there for C₄H₁₀?

What is the IUPAC name for the continuous carbon chain of C₄H₁₀?

The molecule CH₃CH₂CO₂CH₂CO₂H contains an functional group and a functional group.

The molecules CH₃CH₂CH₂CH₂C CH and CH₃CH₂CH₂CH₂CH=CH₂,respectively,belong to the family and the family of organic molecules.

The molecule H₂NCH₂CH₂CH₂OH contains an functional group and an functional group.