Question 1

Draw the structure of AMP.

Accepted Answer

The answer of Draw the structure of AMP....

Question 2

Which of the following is not true about retroviruses?

Accepted Answer

A) The genetic information is contained in RNA. 
B) The genetic information flows from DNA to RNA. 
C) Drugs have been designed to interfere with the synthesis of DNA by retroviruses. 
D) AZT is a design drug that was synthesized to combat the HIV retrovirus. 
E) The retrovirus uses the sequence of bases in RNA as a template to synthesize DNA which enters and infects the host cell. 
A) The genetic information is contained in RNA. 
B) The genetic information flows from DNA to RNA. 
C) Drugs have been designed to interfere with the synthesis of DNA by retroviruses. 
D) AZT is a design drug that was synthesized to combat the HIV retrovirus. 
E) The retrovirus uses the sequence of bases in RNA as a template to synthesize DNA which enters and infects the host cell.

Question 3

Show the hydrogen bonding which occurs when adenine and thymine form a base pair.

Accepted Answer

The answer of Show the hydrogen bonding which occurs when...

Question 4

In an entire DNA strand,what percentage consists of genetic information and what percentage consists of introns?

Accepted Answer

A) 98% genetic information,2% introns 
B) 2% genetic information,98% introns 
C) 50% genetic information,50% introns 
D) 100% genetic information,0% introns 
E) 99% genetic information,1% introns 
A) 98% genetic information,2% introns 
B) 2% genetic information,98% introns 
C) 50% genetic information,50% introns 
D) 100% genetic information,0% introns 
E) 99% genetic information,1% introns

Question 5

What are the four common ribonucleosides?

Accepted Answer

cytidine,u

Question 6

The human genome contains approximately how many base pairs?

Accepted Answer

A) 300 
B) 300,000 
C) 3 × 109 
D) 3 × 1015 
E) 3 × 1023 
A) 300 
B) 300,000 
C) 3 × 109 
D) 3 × 1015 
E) 3 × 1023

Question 7

How many billion base pairs are there in the total DNA of a human cell?

Accepted Answer

A) 3 
B) 5 
C) 8 
D) 11 
E) 13 
A) 3 
B) 5 
C) 8 
D) 11 
E) 13

Question 8

Identify the structure.

Accepted Answer

A) uracil 
B) cytosine 
C) guanine 
D) thymine 
E) adenine 
A) uracil 
B) cytosine 
C) guanine 
D) thymine 
E) adenine

Question 9

In which of the following helical forms does DNA in living organisms mainly exist?

Accepted Answer

A) Z-helix 
B) a-helix 
C) b-helix 
D) B and C 
E) A,B and C 
A) Z-helix 
B) a-helix 
C) b-helix 
D) B and C 
E) A,B and C

Question 10

Which of the following statements best describes the meaning of transcription?

Accepted Answer

A) It is the synthesis of rRNA from a DNA blueprint. 
B) It is synonymous with replication. 
C) It is the synthesis of identical copies from a DNA blueprint. 
D) It is the synthesis of mRNA from a DNA blueprint. 
E) It is the synthesis of tRNA from a DNA blueprint. 
A) It is the synthesis of rRNA from a DNA blueprint. 
B) It is synonymous with replication. 
C) It is the synthesis of identical copies from a DNA blueprint. 
D) It is the synthesis of mRNA from a DNA blueprint. 
E) It is the synthesis of tRNA from a DNA blueprint.

Question 11

Which of the following constitutes the primary structure of a nucleic acid?

Accepted Answer

A) the sequence of the bases in the strand 
B) the sequence of the riboses in the strand 
C) the sequence of the deoxyriboses in the strand 
D) the sequence of the phosphodiesters in the strand 
E) the sequence of the 5'-OH groups in the strand 
A) the sequence of the bases in the strand 
B) the sequence of the riboses in the strand 
C) the sequence of the deoxyriboses in the strand 
D) the sequence of the phosphodiesters in the strand 
E) the sequence of the 5'-OH groups in the strand

Question 12

Draw the structure of UMP.

Accepted Answer

The answer of Draw the structure of UMP....

Question 13

Identify the nucleoside shown below.

Accepted Answer

A) adenosine 
B) guanosine 
C) cytidine 
D) uridine 
E) thymidine 
A) adenosine 
B) guanosine 
C) cytidine 
D) uridine 
E) thymidine

Question 14

What is a codon? Give an example.

Accepted Answer

A codon is a sequence of three

Question 15

The antiviral drug,acyclovir has a 3-dimensional structure similar to

Accepted Answer

A) adenine. 
B) guanine. 
C) cytosine 
D) thymine. 
E) uracil. 
A) adenine. 
B) guanine. 
C) cytosine 
D) thymine. 
E) uracil.

Question 16

Draw the chemical structure of adenosine triphosphate,(ATP).

Accepted Answer

The answer of Draw the chemical structure of adenosine triphosphate,(ATP)....

Question 17

What are Maxam-Gilbert and Sanger sequencing?

Accepted Answer

They are methods use

Question 18

Draw the deaminated product of adenine.

Accepted Answer

The answer of Draw the deaminated product of adenine....

Question 19

How many nucleotide subunits does an oligonucleotide contain?

Accepted Answer

A) 2-5 
B) 4-8 
C) 3-9 
D) 3-10 
E) >10 
A) 2-5 
B) 4-8 
C) 3-9 
D) 3-10 
E) >10

Question 20

Which of the following base sequences would most likely be recognized by a restriction endonuclease?

Accepted Answer

A) ACGCGT 
B) ACGGGT 
C) ACACGT 
D) ACATCGT 
E) CCAACC 
A) ACGCGT 
B) ACGGGT 
C) ACACGT 
D) ACATCGT 
E) CCAACC

Exam 26: The Chemistry of the Nucleic Acids

Draw the structure of AMP.

Which of the following is not true about retroviruses?

Show the hydrogen bonding which occurs when adenine and thymine form a base pair.

In an entire DNA strand,what percentage consists of genetic information and what percentage consists of introns?

What are the four common ribonucleosides?

The human genome contains approximately how many base pairs?

How many billion base pairs are there in the total DNA of a human cell?

Identify the structure.

In which of the following helical forms does DNA in living organisms mainly exist?

Which of the following statements best describes the meaning of transcription?

Which of the following constitutes the primary structure of a nucleic acid?

Draw the structure of UMP.

Identify the nucleoside shown below.

What is a codon? Give an example.

The antiviral drug,acyclovir has a 3-dimensional structure similar to

Draw the chemical structure of adenosine triphosphate,(ATP).

What are Maxam-Gilbert and Sanger sequencing?

Draw the deaminated product of adenine.

How many nucleotide subunits does an oligonucleotide contain?

Which of the following base sequences would most likely be recognized by a restriction endonuclease?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

Synthetic Polymers

Pericyclic Reactions

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