Question 1

One pair of nitrogen bases in DNA is

Accepted Answer

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

Question 2

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 3

Match the following.
-nucleoside

Accepted Answer

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

Question 4

The number of hydrogen bonds between cytosine and guanine 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 5

After initiation of protein production,the correct order for the steps in the manufacture of proteins is
I.elongation
II.peptide bond formation
III.termination
IV.tRNA binding with ribosome

Accepted Answer

A) I,II,III,IV 
B) I,IV,II,III 
C) IV,II,I,III 
D) IV,I,II,III 
E) II,I,IV,III 
A) I,II,III,IV 
B) I,IV,II,III 
C) IV,II,I,III 
D) IV,I,II,III 
E) II,I,IV,III

Question 6

Match the following.
-rRNA

Accepted Answer

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

Question 7

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

One pair of nitrogen bases in DNA is

The pyrimidine bases are

Match the following. -nucleoside

The number of hydrogen bonds between cytosine and guanine in DNA is ________.

After initiation of protein production,the correct order for the steps in the manufacture of proteins is I.elongation II.peptide bond formation III.termination IV.tRNA binding with ribosome

Match the following. -rRNA

DNA is primarily located in what part of the cell?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

Exam 25: Nucleic Acids and Protein Synthesis

One pair of nitrogen bases in DNA is

The pyrimidine bases are

Match the following. -nucleoside

The number of hydrogen bonds between cytosine and guanine in DNA is ________.

After initiation of protein production,the correct order for the steps in the manufacture of proteins is I.elongation II.peptide bond formation III.termination IV.tRNA binding with ribosome

Match the following. -rRNA

DNA is primarily located in what part of the cell?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters