Question 1

DNA can best be described as

Accepted Answer

A)  two backbones of alternating deoxyribose and nitrogenous base on the exterior, with phosphates on the interior 
B)  two backbones of alternating deoxyribose and nitrogenous base on the interior, with phosphates on the exterior 
C)  two backbones of alternating deoxyribose and phosphate on the exterior, with nitrogenous bases on the interior 
D)  two backbones of alternating deoxyribose and phosphate on the interior, with nitrogenous bases on the exterior 
E)  two backbones of alternating nitrogenous base and phosphate on the exterior, with deoxyriboses on the interior 
A)  two backbones of alternating deoxyribose and nitrogenous base on the exterior, with phosphates on the interior 
B)  two backbones of alternating deoxyribose and nitrogenous base on the interior, with phosphates on the exterior 
C)  two backbones of alternating deoxyribose and phosphate on the exterior, with nitrogenous bases on the interior 
D)  two backbones of alternating deoxyribose and phosphate on the interior, with nitrogenous bases on the exterior 
E)  two backbones of alternating nitrogenous base and phosphate on the exterior, with deoxyriboses on the interior

Question 2

Base pairs in DNA are

Accepted Answer

A)  parallel to each other and parallel to the long axis of the DNA molecule 
B)  parallel to each other and perpendicular to the long axis of the DNA molecule 
C)  parallel to each other, with random orientations to the long axis of the DNA molecule 
D)  perpendicular to each other, with every other base pair parallel to the long axis of the DNA molecule 
E)  perpendicular to each other, with random orientations to the long axis of the DNA molecule 
A)  parallel to each other and parallel to the long axis of the DNA molecule 
B)  parallel to each other and perpendicular to the long axis of the DNA molecule 
C)  parallel to each other, with random orientations to the long axis of the DNA molecule 
D)  perpendicular to each other, with every other base pair parallel to the long axis of the DNA molecule 
E)  perpendicular to each other, with random orientations to the long axis of the DNA molecule

Question 3

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once.
-2'-deoxyadenosine 5'-phosphate

Accepted Answer

A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC 
A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC

Question 4

The bond between the nitrogenous base and the sugar in a nucleoside is a glycosidic bond. Which type of reagent should cleave this bond?

Accepted Answer

A)  acid 
B)  base 
C)  acid or base 
D)  neither acid nor base 
E)  It depends on which nitrogenous base and which sugar are present. 
A)  acid 
B)  base 
C)  acid or base 
D)  neither acid nor base 
E)  It depends on which nitrogenous base and which sugar are present.

Question 5

What mRNA sequence is complementary to the following DNA base sequence?
(5') TAAGGCGATA (3')

Accepted Answer

(3') AUUCC

Question 6

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once.
-RNA base sequence with guanine at the 3' end.

Accepted Answer

A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC 
A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC

Question 7

Which reagent is used to accelerate coupling reactions in both laboratory peptide synthesis and laboratory DNA synthesis?

Accepted Answer

A)  catalytic H+ 
B)  dicyclohexylcarbodiimide (DC
C)  
C)  ethyl chloroformate 
D)  NaOH 
E)  PhS− NH4+ 
A)  catalytic H+ 
B)  dicyclohexylcarbodiimide (DC
C)  
C)  ethyl chloroformate 
D)  NaOH 
E)  PhS− NH4+

Question 8

What sequence of bases on the second strand of DNA is complementary to the following?
(5') GCATTA (3')

Accepted Answer

(3') CGTAA

Question 9

Which is true?

Accepted Answer

A)  Both DNA and RNA are completely double-stranded. 
B)  Both DNA and RNA are completely single-stranded. 
C)  Both DNA and RNA contain ribose. 
D)  Both DNA and RNA contain uracil. 
E)  Both DNA and RNA contain phosphate. 
A)  Both DNA and RNA are completely double-stranded. 
B)  Both DNA and RNA are completely single-stranded. 
C)  Both DNA and RNA contain ribose. 
D)  Both DNA and RNA contain uracil. 
E)  Both DNA and RNA contain phosphate.

Question 10

What is the anticodon sequence in tRNA that corresponds the following segment of mRNA?
(5') CUU−AGC−UGG−CCC(3')

Accepted Answer

(3') GAA−U

Question 11

Answer the following questions.
a)If the following segment of mRNA
(5') CUU−AGC−UGG−CCC (3')
was changed to
(5') CUU−AGC−UGG−CCU (3')
how would the synthesized protein change?
b)If the following segment of mRNA
(5') CUU−AGC−UGG−CCC (3')
was changed to
(5') CUU−AGC−UGA−CCU (3')
how would the synthesized protein change?

Accepted Answer

a)No change, both CCC and CCU

Question 12

Describe, in general terms, the steps involved in the automated synthesis of the DNA sequence GCT.

Accepted Answer

Step 1
Attachment of 5'-DMT-N-benzoyl-2'

Question 13

Which of the following is uridine? A   B   C   D   ​

Accepted Answer

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

Question 14

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once.
-DNA base sequence with cytosine at the 3' end.

Accepted Answer

A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC 
A) Sanger dideoxy method 
B) GAUCGUAAA 
C) Watson-Crick 
D) translation 
E)  
F) 
G)transcription
H)Maxam-Gilbert method
I)AUGGCUGAG
J)replication
K) 
L) 
M)AGATCGCTC

DNA can best be described as

Base pairs in DNA are

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once. -2'-deoxyadenosine 5'-phosphate

The bond between the nitrogenous base and the sugar in a nucleoside is a glycosidic bond. Which type of reagent should cleave this bond?

What mRNA sequence is complementary to the following DNA base sequence? (5') TAAGGCGATA (3')

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once. -RNA base sequence with guanine at the 3' end.

Which reagent is used to accelerate coupling reactions in both laboratory peptide synthesis and laboratory DNA synthesis?

What sequence of bases on the second strand of DNA is complementary to the following? (5') GCATTA (3')

Which is true?

What is the anticodon sequence in tRNA that corresponds the following segment of mRNA? (5') CUU−AGC−UGG−CCC(3')

Describe, in general terms, the steps involved in the automated synthesis of the DNA sequence GCT.

Which of the following is uridine? A B C D

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once. -DNA base sequence with cytosine at the 3' end.

Structure and Bonding

Polar Covalent Bonds; Acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Aromatic Compounds

Structure Determination: Mass Spectrometry, Infrared Spectroscopy, and Ultraviolet Spectroscopy

Structure Determination: Mass Spectrometry, Infrared Spectroscopy, and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols, Phenols, and Thiols; Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Amines and Heterocycles

Biomolecules: Amino Acids, Peptides, and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Orbitals and Organic Chemistry: Pericyclic Reactionse

Synthetic Polymerse

Filters

Exam 24: Biomolecules: Nucleic Acids and Their Metabolism

DNA can best be described as

Base pairs in DNA are

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once. -2'-deoxyadenosine 5'-phosphate

The bond between the nitrogenous base and the sugar in a nucleoside is a glycosidic bond. Which type of reagent should cleave this bond?

What mRNA sequence is complementary to the following DNA base sequence? (5') TAAGGCGATA (3')

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once. -RNA base sequence with guanine at the 3' end.

Which reagent is used to accelerate coupling reactions in both laboratory peptide synthesis and laboratory DNA synthesis?

What sequence of bases on the second strand of DNA is complementary to the following? (5') GCATTA (3')

Which is true?

What is the anticodon sequence in tRNA that corresponds the following segment of mRNA? (5') CUU−AGC−UGG−CCC(3')

Describe, in general terms, the steps involved in the automated synthesis of the DNA sequence GCT.

Which of the following is uridine? A B C D ​

Match each of the following terms to a structure from the list below. There is only one correct structure for each term and structures may be used more than once. -DNA base sequence with cytosine at the 3' end.

Structure and Bonding

Polar Covalent Bonds; Acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Aromatic Compounds

Structure Determination: Mass Spectrometry, Infrared Spectroscopy, and Ultraviolet Spectroscopy

Structure Determination: Mass Spectrometry, Infrared Spectroscopy, and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols, Phenols, and Thiols; Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Amines and Heterocycles

Biomolecules: Amino Acids, Peptides, and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Orbitals and Organic Chemistry: Pericyclic Reactionse

Synthetic Polymerse

Filters

Which of the following is uridine? A B C D