Question 1

What is the complementary DNA sequence to ATATGGTC?

Accepted Answer

A) CGCGTTGA 
B) GCGCAACT 
C) TATACCAG 
D) TUTUCCAG 
A) CGCGTTGA 
B) GCGCAACT 
C) TATACCAG 
D) TUTUCCAG

Question 2

Which of the compounds shown above is correctly identified by the name 3-methylbutane?

Accepted Answer

A) all 
B) none 
C) only (4) 
D) only (1)and (4) 
A) all 
B) none 
C) only (4) 
D) only (1)and (4)

Question 3

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 4

Compounds that have the same formula but different molecular structures are called

Accepted Answer

A) isoelectronic. 
B) isomers. 
C) isotones. 
D) isotopes. 
A) isoelectronic. 
B) isomers. 
C) isotones. 
D) isotopes.

Question 5

Do the condensed structures shown below represent the same or different molecules?
(1)CH3CH2CH2CH2CH(CH3)2
(2)CH3
|
CH3CHCH2CH2CH2CH3

Accepted Answer

Condensed structures

Question 6

Which of the following is not a geometric (cis-trans)isomer?

Accepted Answer

A) 1,1-dichloro-1-pentene 
B) 1,2-dichloro-1-hexene 
C) 2-hexene 
D) 2-chloro-2-heptene 
A) 1,1-dichloro-1-pentene 
B) 1,2-dichloro-1-hexene 
C) 2-hexene 
D) 2-chloro-2-heptene

Question 7

What does the term "essential" mean when referring to amino acids? These are the amino acids which

Accepted Answer

A) are necessary for digestion. 
B) are necessary for respiration. 
C) are synthesized in our bodies. 
D) we must obtain from our diet. 
A) are necessary for digestion. 
B) are necessary for respiration. 
C) are synthesized in our bodies. 
D) we must obtain from our diet.

Question 8

What is the common name for the simplest ketone,propanone?

Accepted Answer

A) acetal 
B) acetone 
C) carbanone 
D) formalin 
A) acetal 
B) acetone 
C) carbanone 
D) formalin

Question 9

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 10

The C-C=O bond angle in acetic acid,shown below,is closest to O   CH3C-OH

Accepted Answer

A) 90°. 
B) 109.5°. 
C) 120°. 
D) 180°. 
A) 90°. 
B) 109.5°. 
C) 120°. 
D) 180°.

What is the complementary DNA sequence to ATATGGTC?

Which of the compounds shown above is correctly identified by the name 3-methylbutane?

Identify the amino acid shown below.

Compounds that have the same formula but different molecular structures are called

Do the condensed structures shown below represent the same or different molecules? (1)CH₃CH₂CH₂CH₂CH(CH₃)₂ (2)CH₃ | CH₃CHCH₂CH₂CH₂CH₃

Which of the following is not a geometric (cis-trans)isomer?

What does the term "essential" mean when referring to amino acids? These are the amino acids which

What is the common name for the simplest ketone,propanone?

Identify the amino acid shown below.

The C-C=O bond angle in acetic acid,shown below,is closest to O CH₃C-OH

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

Exam 23: Connections to Organic and Biological Chemistry

What is the complementary DNA sequence to ATATGGTC?

Which of the compounds shown above is correctly identified by the name 3-methylbutane?

Identify the amino acid shown below.

Compounds that have the same formula but different molecular structures are called

Do the condensed structures shown below represent the same or different molecules? (1)CH3CH2CH2CH2CH(CH3)2 (2)CH3 | CH3CHCH2CH2CH2CH3

Which of the following is not a geometric (cis-trans)isomer?

What does the term "essential" mean when referring to amino acids? These are the amino acids which

What is the common name for the simplest ketone,propanone?

Identify the amino acid shown below.

The C-C=O bond angle in acetic acid,shown below,is closest to O CH3C-OH

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

Do the condensed structures shown below represent the same or different molecules? (1)CH₃CH₂CH₂CH₂CH(CH₃)₂ (2)CH₃ | CH₃CHCH₂CH₂CH₂CH₃

The C-C=O bond angle in acetic acid,shown below,is closest to O CH₃C-OH