Question 1

What sort of nucleic acid does the HIV virus contain?

Accepted Answer

A)  Viruses do not have nucleic acids. 
B)  double-stranded DNA 
C)  single-stranded DNA 
D)  single-stranded RNA 
E)  two single-stranded RNA 
A)  Viruses do not have nucleic acids. 
B)  double-stranded DNA 
C)  single-stranded DNA 
D)  single-stranded RNA 
E)  two single-stranded RNA E

Question 2

All living organisms have the same

Accepted Answer

A)  genes. 
B)  chromosomes. 
C)  proteins. 
D)  genetic code. 
E)  DNA sequence. 
A)  genes. 
B)  chromosomes. 
C)  proteins. 
D)  genetic code. 
E)  DNA sequence. D

Question 3

Molecule A is a(n)

Accepted Answer

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

Question 4

In the following tRNA, how are IV and III connected?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 5

A normal DNA sequence is 5′-GTA GCA TCA CCA-3′. If the DNA sequence mutated to 5′-GCA GCA TCA CCA-3′, this would be a ________ mutation.

Accepted Answer

A)  substitution 
B)  frame-shift 
C)  translocation 
D)  viral 
E)  silent 
A)  substitution 
B)  frame-shift 
C)  translocation 
D)  viral 
E)  silent

Question 6

Very generally, what is the process of expressing a gene to make protein?

Accepted Answer

A)  transcription of DNA followed by translation of mRNA 
B)  replication of DNA followed by translation of mRNA 
C)  transcription of DNA followed by replication of mRNA 
D)  translation of DNA followed by transcription of mRNA 
E)  replication of DNA followed by transcription of mRNA 
A)  transcription of DNA followed by translation of mRNA 
B)  replication of DNA followed by translation of mRNA 
C)  transcription of DNA followed by replication of mRNA 
D)  translation of DNA followed by transcription of mRNA 
E)  replication of DNA followed by transcription of mRNA

Question 7

The codon is labeled _________ while the anticodon is _________.

Accepted Answer

A)  V ; IV 
B)  II ; III 
C)  III ; IV 
D)  IV ; III 
E)  IV ; V 
A)  V ; IV 
B)  II ; III 
C)  III ; IV 
D)  IV ; III 
E)  IV ; V

Question 8

How many nucleotides are in one DNA molecule?

Accepted Answer

A)  tens 
B)  hundreds 
C)  thousands 
D)  hundreds of thousands 
E)  millions 
A)  tens 
B)  hundreds 
C)  thousands 
D)  hundreds of thousands 
E)  millions

Question 9

The complete sequence of bases in the human body is called the

Accepted Answer

A)  DNA. 
B)  RNA. 
C)  nucleic acids. 
D)  chromosomes. 
E)  genome. 
A)  DNA. 
B)  RNA. 
C)  nucleic acids. 
D)  chromosomes. 
E)  genome.

Question 10

Each person has about ______ genes.

Accepted Answer

A)  one thousand 
B)  ten thousand 
C)  thirty thousand 
D)  fifty thousand 
E)  one hundred thousand 
A)  one thousand 
B)  ten thousand 
C)  thirty thousand 
D)  fifty thousand 
E)  one hundred thousand

Question 11

The diagram shown below illustrates

Accepted Answer

A)  translation. 
B)  transcription. 
C)  protein replication. 
D)  RNA replication. 
E)  DNA replication. 
A)  translation. 
B)  transcription. 
C)  protein replication. 
D)  RNA replication. 
E)  DNA replication.

Question 12

What is the DNA sequence that the mRNA sequence 5′-AUG CCU AGC-3′ was translated from?

Accepted Answer

A)  3′-AUG CCU AGC-5′ 
B)  3′-CGA UCC GUA-5′ 
C)  3′-UAC GGA UCG-5′ 
D)  3′-TAC GGA TCG-5′ 
E)  3′-ATG CCT TCG-5′ 
A)  3′-AUG CCU AGC-5′ 
B)  3′-CGA UCC GUA-5′ 
C)  3′-UAC GGA UCG-5′ 
D)  3′-TAC GGA TCG-5′ 
E)  3′-ATG CCT TCG-5′

Question 13

Which type of RNA is the complement of the template strand of DNA in the nucleus?

Accepted Answer

A)  ribosomal RNA (rRN
A)  
B)  RNA polymerase 
C)  messenger RNA (mRN
A)  
D)  transfer RNA (tRN
A)  
E)  All of these are the complement of the DNA. 
A)  ribosomal RNA (rRN
A)  
B)  RNA polymerase 
C)  messenger RNA (mRN
A)  
D)  transfer RNA (tRN
A)  
E)  All of these are the complement of the DNA.

Question 14

What does this figure represent?

Accepted Answer

A)  tRNA bound to DNA 
B)  tRNA bound to mRNA 
C)  mRNA bound to DNA 
D)  rRNA bound to tRNA 
E)  mRNA bound to rRNA 
A)  tRNA bound to DNA 
B)  tRNA bound to mRNA 
C)  mRNA bound to DNA 
D)  rRNA bound to tRNA 
E)  mRNA bound to rRNA

Question 15

What is the general strategy used to treat HIV/AIDS?

Accepted Answer

A)  inhibition of reverse transcriptase 
B)  inhibition of protease 
C)  preventing the virus from entering the host cell 
D)  disrupting the life cycle of the virus 
E)  All of the above 
A)  inhibition of reverse transcriptase 
B)  inhibition of protease 
C)  preventing the virus from entering the host cell 
D)  disrupting the life cycle of the virus 
E)  All of the above

Question 16

What general strategies are used in packaging DNA to fit into a nucleus?

Accepted Answer

A)  None, the DNA is just wadded up in the nucleus. 
B)  Coiling only. 
C)  Coiling and charge attraction. 
D)  Only a small part of each chromosome is in each nucleus. 
E)  Shrinking. 
A)  None, the DNA is just wadded up in the nucleus. 
B)  Coiling only. 
C)  Coiling and charge attraction. 
D)  Only a small part of each chromosome is in each nucleus. 
E)  Shrinking.

Question 17

What is the DNA sequence that the codon shown below was translated from?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 18

The arrow labeled I in the nucleic acid below is pointing to the

Accepted Answer

A)  1F1F1F1S1F1F1F10 end of the DNA. 
B)  2F1F1F1S1F1F1F10 end of the DNA. 
C)  3F1F1F1S1F1F1F10 end of the DNA. 
D)  4F1F1F1S1F1F1F10 end of the DNA. 
E)  5F1F1F1S1F1F1F10 end of the DNA. 
A)  1F1F1F1S1F1F1F10 end of the DNA. 
B)  2F1F1F1S1F1F1F10 end of the DNA. 
C)  3F1F1F1S1F1F1F10 end of the DNA. 
D)  4F1F1F1S1F1F1F10 end of the DNA. 
E)  5F1F1F1S1F1F1F10 end of the DNA.

Question 19

Which statement about recombinant DNA technology is NOT true?

Accepted Answer

A)  There is global consensus that recombinant DNA technology is without risk. 
B)  The most common use of recombinant DNA crops is in herbicide and insect resistant plants. 
C)  The United States and other countries use recombinant DNA technology in their food and crops. 
D)  It is possible to produce vaccines and medicines in plants using recombinant DNA technology. 
E)  Recombinant DNA technology is used to produce genetically engineered products. 
A)  There is global consensus that recombinant DNA technology is without risk. 
B)  The most common use of recombinant DNA crops is in herbicide and insect resistant plants. 
C)  The United States and other countries use recombinant DNA technology in their food and crops. 
D)  It is possible to produce vaccines and medicines in plants using recombinant DNA technology. 
E)  Recombinant DNA technology is used to produce genetically engineered products.

Question 20

How are errors minimized in the replication of DNA?

Accepted Answer

A)  They aren't minimized, which is why there are so many mutations. 
B)  Replication is completely accurate the first time around. 
C)  Replication is mostly accurate, but there is proofreading to improve the fidelity. 
D)  Replication is accurate most of the time, but the DNA is fixed once the new cell is completely formed. 
E)  Replication is not very accurate at all, and it doesn't seem to matter much. 
A)  They aren't minimized, which is why there are so many mutations. 
B)  Replication is completely accurate the first time around. 
C)  Replication is mostly accurate, but there is proofreading to improve the fidelity. 
D)  Replication is accurate most of the time, but the DNA is fixed once the new cell is completely formed. 
E)  Replication is not very accurate at all, and it doesn't seem to matter much.

What sort of nucleic acid does the HIV virus contain?

All living organisms have the same

Molecule A is a(n)

In the following tRNA, how are IV and III connected?

A normal DNA sequence is 5′-GTA GCA TCA CCA-3′. If the DNA sequence mutated to 5′-GCA GCA TCA CCA-3′, this would be a ________ mutation.

Very generally, what is the process of expressing a gene to make protein?

The codon is labeled _ while the anticodon is _.

How many nucleotides are in one DNA molecule?

The complete sequence of bases in the human body is called the

Each person has about ______ genes.

The diagram shown below illustrates

What is the DNA sequence that the mRNA sequence 5′-AUG CCU AGC-3′ was translated from?

Which type of RNA is the complement of the template strand of DNA in the nucleus?

What does this figure represent?

What is the general strategy used to treat HIV/AIDS?

What general strategies are used in packaging DNA to fit into a nucleus?

What is the DNA sequence that the codon shown below was translated from?

The arrow labeled I in the nucleic acid below is pointing to the

Which statement about recombinant DNA technology is NOT true?

How are errors minimized in the replication of DNA?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Energy and Metabolism

Filters

Exam 14: Nucleotides and Nucleic Acids

What sort of nucleic acid does the HIV virus contain?

All living organisms have the same

Molecule A is a(n)

In the following tRNA, how are IV and III connected?

A normal DNA sequence is 5′-GTA GCA TCA CCA-3′. If the DNA sequence mutated to 5′-GCA GCA TCA CCA-3′, this would be a ________ mutation.

Very generally, what is the process of expressing a gene to make protein?

The codon is labeled _________ while the anticodon is _________.

How many nucleotides are in one DNA molecule?

The complete sequence of bases in the human body is called the

Each person has about ______ genes.

The diagram shown below illustrates

What is the DNA sequence that the mRNA sequence 5′-AUG CCU AGC-3′ was translated from?

Which type of RNA is the complement of the template strand of DNA in the nucleus?

What does this figure represent?

What is the general strategy used to treat HIV/AIDS?

What general strategies are used in packaging DNA to fit into a nucleus?

What is the DNA sequence that the codon shown below was translated from?

The arrow labeled I in the nucleic acid below is pointing to the

Which statement about recombinant DNA technology is NOT true?

How are errors minimized in the replication of DNA?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Energy and Metabolism

Filters

The codon is labeled _ while the anticodon is _.