Question 1

Draw the structure illustrating the hydrogen bonding that occurs between the base pairs cytosine and guanine.

Accepted Answer

The answer of Draw the structure illustrating the hydrogen bonding...

Question 2

Distinguish between the forms of RNA that exist in a typical cell.

Accepted Answer

Ribosomal RNA,rRNA,is the RNA that is co

Question 3

The process in which information from DNA is used to manufacture RNA is called

Accepted Answer

A) mutation. 
B) replication. 
C) transcription. 
D) translation. 
E) translocation. 
A) mutation. 
B) replication. 
C) transcription. 
D) translation. 
E) translocation.

Question 4

Draw the structure for the dCMP nucleotide.Label all parts.

Accepted Answer

The answer of Draw the structure for the dCMP nucleotide.Label...

Question 5

Match the following.
-mRNA

Accepted Answer

A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis 
A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis

Question 6

Match the following.
-pyrimidine bases

Accepted Answer

A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis 
A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis

Question 7

The number of hydrogen bonds between guanine and adenine in DNA is

Accepted Answer

A) 0. 
B) 1. 
C) 2. 
D) 3. 
E) 4. 
A) 0. 
B) 1. 
C) 2. 
D) 3. 
E) 4.

Question 8

Match the following.
-nucleotide

Accepted Answer

A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis 
A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis

Question 9

In replication of DNA,each new double strand consists of one template strand and one new strand.Therefore,replication is said to be

Accepted Answer

A) repetitive. 
B) semiconservative. 
C) polymeric. 
D) catabolic. 
E) none of these 
A) repetitive. 
B) semiconservative. 
C) polymeric. 
D) catabolic. 
E) none of these

Question 10

Match the following.
-purine

Accepted Answer

A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis 
A) a group of three nucleotides in RNA that code for specific amino acids or for termination of the protein chain 
B) the type of ribonucleic acid that is part of the ribosome and protein complex that synthesizes other proteins 
C) a specific chemical combination of ribose or deoxyribose,one of the five purine or pyrimidine bases found in nucleic acids,and one or more phosphate groups 
D) the sequence of nucleotides that specifies sequences of amino acids in protein synthesis 
E) a specific chemical combination of ribose or deoxyribose and one of the five purine or pyrimidine bases found in nucleic acids
F)the ribonucleic acid whose function is to deliver the amino acids into position for protein synthesis
G)one of three specific bases consisting of a heterocyclic ring with various substituted functional groups and found in DNA and RNA
H)one of two specific bases consisting of two interlocked heterocyclic rings and found in DNA and RNA
I)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule
J)a category of base found in nucleic acids consisting of a 6-membered heterocyclic molecule fused with a 5-membered heterocyclic molecule
K)the ribonucleic acid that carries the code transcribed from DNA and directs protein synthesis

Question 11

The introns are removed from the mRNA by the action of a(n)

Accepted Answer

A) polymerase. 
B) gyrase. 
C) spliceosome. 
D) ligase. 
A) polymerase. 
B) gyrase. 
C) spliceosome. 
D) ligase.

Question 12

DNA is primarily located in what part of the cell?

Accepted Answer

A) cytoplasm 
B) mitochondrion 
C) nucleus 
D) ribosome 
E) cell membrane 
A) cytoplasm 
B) mitochondrion 
C) nucleus 
D) ribosome 
E) cell membrane

Question 13

The pyrimidine bases are

Accepted Answer

A) 6 membered ring systems containing 2 ring nitrogens. 
B) fused 5 and 6 membered ring systems containing 4 ring nitrogens. 
C) 6 membered ring systems containing 4 ring nitrogens. 
D) fused 5 and 6 membered ring systems containing 2 nitrogens. 
E) none of the above 
A) 6 membered ring systems containing 2 ring nitrogens. 
B) fused 5 and 6 membered ring systems containing 4 ring nitrogens. 
C) 6 membered ring systems containing 4 ring nitrogens. 
D) fused 5 and 6 membered ring systems containing 2 nitrogens. 
E) none of the above

Question 14

What is the name of the base at the 3' end of the sequence G-A-C-T-T-A?

Accepted Answer

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

Question 15

Replication of DNA produces two daughter DNA molecules in which

Accepted Answer

A) one daughter molecule contains both parent strands and one daughter molecule contains both newly synthesized strands. 
B) each daughter molecule contains one parent strand and one newly synthesized strand. 
C) each daughter molecule contains two newly synthesized strands. 
D) each daughter molecule contains both parent strand. 
E) None of the above happens during replication. 
A) one daughter molecule contains both parent strands and one daughter molecule contains both newly synthesized strands. 
B) each daughter molecule contains one parent strand and one newly synthesized strand. 
C) each daughter molecule contains two newly synthesized strands. 
D) each daughter molecule contains both parent strand. 
E) None of the above happens during replication.

Question 16

Which of the following is(are)a pyrmidine base found in nucleic acids?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) B and D 
A) 
  
B) 
  
C) 
  
D) 
  
E) B and D

Question 17

The central belief of molecular genetics states that

Accepted Answer

A) every copy of DNA is an exact replica of the parent molecule. 
B) DNA stores genetic information and RNA reads,decodes,and uses that information. 
C) in DNA and RNA adenine always pairs with thymine and cytosine always pairs with guanine. 
D) each amino acid is coded by a unique set of three base pairs. 
E) replication of DNA is a semiconservative process. 
A) every copy of DNA is an exact replica of the parent molecule. 
B) DNA stores genetic information and RNA reads,decodes,and uses that information. 
C) in DNA and RNA adenine always pairs with thymine and cytosine always pairs with guanine. 
D) each amino acid is coded by a unique set of three base pairs. 
E) replication of DNA is a semiconservative process.

Question 18

In a molecule of DNA,the sugar of one nucleotide binds through its ________ hydroxyl group to the ________ hydroxyl group of the next nucleotide by forming a phosphate ester.

Accepted Answer

A) 3';5' 
B) 3';3' 
C) 5';5' 
D) 1';3' 
E) 1';5' 
A) 3';5' 
B) 3';3' 
C) 5';5' 
D) 1';3' 
E) 1';5'

Question 19

The bonding forces between the two DNA strands in a double helix are

Accepted Answer

A) polar bonds. 
B) peptide linkages. 
C) phosphate bonds. 
D) hydrogen bonds. 
E) ester bonds. 
A) polar bonds. 
B) peptide linkages. 
C) phosphate bonds. 
D) hydrogen bonds. 
E) ester bonds.

Question 20

One pair of nitrogen bases in DNA is

Accepted Answer

A) adenine and thymine. 
B) adenine and guanine. 
C) adenine and uracil. 
D) adenine and cytosine. 
E) none of the above 
A) adenine and thymine. 
B) adenine and guanine. 
C) adenine and uracil. 
D) adenine and cytosine. 
E) none of the above

Exam 26: Nucleic Acids and Protein Synthesis

Draw the structure illustrating the hydrogen bonding that occurs between the base pairs cytosine and guanine.

Distinguish between the forms of RNA that exist in a typical cell.

The process in which information from DNA is used to manufacture RNA is called

Draw the structure for the dCMP nucleotide.Label all parts.

Match the following. -mRNA

Match the following. -pyrimidine bases

The number of hydrogen bonds between guanine and adenine in DNA is

Match the following. -nucleotide

In replication of DNA,each new double strand consists of one template strand and one new strand.Therefore,replication is said to be

Match the following. -purine

The introns are removed from the mRNA by the action of a(n)

DNA is primarily located in what part of the cell?

The pyrimidine bases are

What is the name of the base at the 3' end of the sequence G-A-C-T-T-A?

Replication of DNA produces two daughter DNA molecules in which

Which of the following is(are)a pyrmidine base found in nucleic acids?

The central belief of molecular genetics states that

In a molecule of DNA,the sugar of one nucleotide binds through its ________ hydroxyl group to the ________ hydroxyl group of the next nucleotide by forming a phosphate ester.

The bonding forces between the two DNA strands in a double helix are

One pair of nitrogen bases in DNA is

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In a molecule of DNA,the sugar of one nucleotide binds through its hydroxyl group to the hydroxyl group of the next nucleotide by forming a phosphate ester.