Question 1

When a mutation occurs by elimination of one base in a DNA sequence,this mutation is called a ________.

Accepted Answer

A) deletion mutation 
B) insertion mutation 
C) substitution mutation 
D) translocation mutation 
E) viral mutation 
A) deletion mutation 
B) insertion mutation 
C) substitution mutation 
D) translocation mutation 
E) viral mutation

Question 2

In transcription,________.

Accepted Answer

A) the mRNA produced is identical to the parent DNA 
B) a double helix containing one parent strand and one daughter strand is produced 
C) uracil pairs with thymine 
D) both strands of the DNA are copied 
E) the mRNA produced is complementary to one strand of the DNA 
A) the mRNA produced is identical to the parent DNA 
B) a double helix containing one parent strand and one daughter strand is produced 
C) uracil pairs with thymine 
D) both strands of the DNA are copied 
E) the mRNA produced is complementary to one strand of the DNA

Question 3

The codon UGA codes for ________.

Accepted Answer

A) Phe 
B) Tyr 
C) Start 
D) Met 
E) Stop 
A) Phe 
B) Tyr 
C) Start 
D) Met 
E) Stop

Question 4

In the synthesis of mRNA,an adenine in the DNA pairs with ________.

Accepted Answer

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

Question 5

Which one of the following base pairs is found in DNA?

Accepted Answer

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

Question 6

The base sequence of the strand of DNA complementary to the segment T G G C A A C is ________.

Accepted Answer

A) T G G C A A C 
B) A C C G T T G 
C) A C C G U U G 
D) U C C G T T G 
E) A C G C T U G 
A) T G G C A A C 
B) A C C G T T G 
C) A C C G U U G 
D) U C C G T T G 
E) A C G C T U G

Question 7

Which of the following can be found in DNA?

Accepted Answer

A) ribose 
B) GMP 
C) uracil 
D) deoxyadenosine 
E) FMN 
A) ribose 
B) GMP 
C) uracil 
D) deoxyadenosine 
E) FMN

Question 8

The codon UUU codes for phenylalanine.

Accepted Answer

A) True 
 B)False

Question 9

The unique sequence of bases in a nucleic acid is called the ________ structure.

Accepted Answer

A) ionic 
B) primary 
C) secondary 
D) tertiary 
E) quaternary 
A) ionic 
B) primary 
C) secondary 
D) tertiary 
E) quaternary

Question 10

The DNA of an organism is 29% adenine.The % of guanine is ________.

Accepted Answer

A) 29% 
B) 50% 
C) 71% 
D) 21% 
E) 100% 
A) 29% 
B) 50% 
C) 71% 
D) 21% 
E) 100%

Question 11

The codon AGA codes for serine.

Accepted Answer

A) True 
 B)False

Question 12

DNA is a protein.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following will not be found in DNA?

Accepted Answer

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

Question 14

Recombinant DNA is used to human insulin.

Accepted Answer

A) True 
 B)False

Question 15

Translation is the process whereby ________.

Accepted Answer

A) DNA is synthesized from DNA 
B) DNA is synthesized from mRNA 
C) protein is synthesized from DNA 
D) protein is synthesized from mRNA 
E) mRNA is synthesized from DNA 
A) DNA is synthesized from DNA 
B) DNA is synthesized from mRNA 
C) protein is synthesized from DNA 
D) protein is synthesized from mRNA 
E) mRNA is synthesized from DNA

Question 16

The two strands of the double helix of DNA are held together by ________.

Accepted Answer

A) hydrogen bonds 
B) covalent bonds 
C) dipole-dipole interactions 
D) ionic bonds 
E) sugar-to-phosphate bonds 
A) hydrogen bonds 
B) covalent bonds 
C) dipole-dipole interactions 
D) ionic bonds 
E) sugar-to-phosphate bonds

Question 17

The two new DNA molecules formed in replication ________.

Accepted Answer

A) are different from the original DNA 
B) both contain only two new daughter DNA strands 
C) both contain only the parent DNA strands 
D) contain one parent and one daughter strand 
E) are identical,with one containing both parent strands,and the other containing both daughter strands 
A) are different from the original DNA 
B) both contain only two new daughter DNA strands 
C) both contain only the parent DNA strands 
D) contain one parent and one daughter strand 
E) are identical,with one containing both parent strands,and the other containing both daughter strands

Question 18

The stop codon terminates protein synthesis.

Accepted Answer

A) True 
 B)False

Question 19

A mutation which occurs when one base in a DNA sequence replaces another,is called a ________.

Accepted Answer

A) deletion mutation 
B) insertion mutation 
C) substitution mutation 
D) translocation mutation 
E) viral mutation 
A) deletion mutation 
B) insertion mutation 
C) substitution mutation 
D) translocation mutation 
E) viral mutation

Question 20

A nucleotide consists of only a base and a sugar.

Accepted Answer

A) True 
 B)False

When a mutation occurs by elimination of one base in a DNA sequence,this mutation is called a ________.

In transcription,________.

The codon UGA codes for ________.

In the synthesis of mRNA,an adenine in the DNA pairs with ________.

Which one of the following base pairs is found in DNA?

The base sequence of the strand of DNA complementary to the segment T G G C A A C is ________.

Which of the following can be found in DNA?

The codon UUU codes for phenylalanine.

The unique sequence of bases in a nucleic acid is called the ________ structure.

The DNA of an organism is 29% adenine.The % of guanine is ________.

The codon AGA codes for serine.

DNA is a protein.

Which of the following will not be found in DNA?

Recombinant DNA is used to human insulin.

Translation is the process whereby ________.

The two strands of the double helix of DNA are held together by ________.

The two new DNA molecules formed in replication ________.

The stop codon terminates protein synthesis.

A mutation which occurs when one base in a DNA sequence replaces another,is called a ________.

A nucleotide consists of only a base and a sugar.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Metabolic Pathways and Energy Production

Filters

Exam 17: Nucleic Acids and Protein Synthesis

When a mutation occurs by elimination of one base in a DNA sequence,this mutation is called a ________.

In transcription,________.

The codon UGA codes for ________.

In the synthesis of mRNA,an adenine in the DNA pairs with ________.

Which one of the following base pairs is found in DNA?

The base sequence of the strand of DNA complementary to the segment T G G C A A C is ________.

Which of the following can be found in DNA?

The codon UUU codes for phenylalanine.

The unique sequence of bases in a nucleic acid is called the ________ structure.

The DNA of an organism is 29% adenine.The % of guanine is ________.

The codon AGA codes for serine.

DNA is a protein.

Which of the following will not be found in DNA?

Recombinant DNA is used to human insulin.

Translation is the process whereby ________.

The two strands of the double helix of DNA are held together by ________.

The two new DNA molecules formed in replication ________.

The stop codon terminates protein synthesis.

A mutation which occurs when one base in a DNA sequence replaces another,is called a ________.

A nucleotide consists of only a base and a sugar.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Metabolic Pathways and Energy Production

Filters