Question 1

If you were a vet examining a cat with an illness,and tests showed that a viral infection was causing the cat's cells to burst,you would say that the cat had

Accepted Answer

A)  a rare form of viral infection. 
B)  a transgenic infection. 
C)  a lysogenic infection. 
D)  a lytic infection. 
E)  a systematic infection. 
A)  a rare form of viral infection. 
B)  a transgenic infection. 
C)  a lysogenic infection. 
D)  a lytic infection. 
E)  a systematic infection.

Question 2

If you were creating a system for protein synthesis in a test tube,for RNA you would only need tRNA and rRNA.

Accepted Answer

A) True 
 B)False

Question 3

DNA differs from RNA because,unlike RNA,

Accepted Answer

A)  DNA contains uracil. 
B)  DNA contains thymine. 
C)  DNA can catalyze some chemical reactions. 
D)  DNA is single-stranded. 
E)  DNA contains ribose. 
A)  DNA contains uracil. 
B)  DNA contains thymine. 
C)  DNA can catalyze some chemical reactions. 
D)  DNA is single-stranded. 
E)  DNA contains ribose.

Question 4

If E.coli bacterium are grown in the presence of lactose

Accepted Answer

A)  the repressor will bind the operator, thus allowing transcription of the lac operon genes. 
B)  the repressor will not bind the operator, thus preventing transcription of the lac operon genes. 
C)  the repressor will not bind the operator, thus allowing transcription of the lac operon genes. 
D)  the repressor will bind the operator, thus preventing transcription of the lac operon genes. 
E)  No answer is correct. 
A)  the repressor will bind the operator, thus allowing transcription of the lac operon genes. 
B)  the repressor will not bind the operator, thus preventing transcription of the lac operon genes. 
C)  the repressor will not bind the operator, thus allowing transcription of the lac operon genes. 
D)  the repressor will bind the operator, thus preventing transcription of the lac operon genes. 
E)  No answer is correct.

Question 5

Most viruses

Accepted Answer

A)  infect only a few closely related species. 
B)  infect only animal cells. 
C)  infect a wide variety of organisms. 
D)  cannot infect living cells. 
E)  infect only plant cells. 
A)  infect only a few closely related species. 
B)  infect only animal cells. 
C)  infect a wide variety of organisms. 
D)  cannot infect living cells. 
E)  infect only plant cells.

Question 6

The genetic information in viruses

Accepted Answer

A)  is found in the nucleus of the virus. 
B)  is always DNA. 
C)  is either DNA or RNA. 
D)  is always RNA. 
E)  can be replicated outside of a cell. 
A)  is found in the nucleus of the virus. 
B)  is always DNA. 
C)  is either DNA or RNA. 
D)  is always RNA. 
E)  can be replicated outside of a cell.

Question 7

Plant cells may help the whole plant fight a virus by dying on purpose.

Accepted Answer

A) True 
 B)False

Question 8

A cell can receive new genes from a virus and then produce a new set of proteins.

Accepted Answer

A) True 
 B)False

Question 9

If you found a living Neandertal,genetic analysis of FOXP2 would show maximal similarity to the homologous gene in mice.

Accepted Answer

A) True 
 B)False

Question 10

-Using the genetic code,what are the amino acids encoded by the sequence AUGUCAACGUGA?

Accepted Answer

A)  Met, Ser, Thr, (Stop) 
B)  Tyr, Ser, Cys, Thr 
C)  Ser, Tyr, Leu, Val 
D)  Met, Val, Asp, Met 
A)  Met, Ser, Thr, (Stop) 
B)  Tyr, Ser, Cys, Thr 
C)  Ser, Tyr, Leu, Val 
D)  Met, Val, Asp, Met

Question 11

If one strand of DNA has the nitrogenous base sequence ATTCGACGCTA,then the complementary strand has the nitrogenous base sequence

Accepted Answer

A)  TAAGCTGCGAT. 
B)  ATCGCAGCTTA. 
C)  UAAGCUGCGAU. 
D)  ATTCGACGCTA. 
A)  TAAGCTGCGAT. 
B)  ATCGCAGCTTA. 
C)  UAAGCUGCGAU. 
D)  ATTCGACGCTA.

Question 12

RNA processing involves covalently attaching a piece of RNA to a piece of DNA.

Accepted Answer

A) True 
 B)False

Question 13

What type of RNA carries amino acids to the ribosome?

Accepted Answer

A)  complementary RNA 
B)  messenger RNA 
C)  ribosomal RNA 
D)  double-stranded RNA 
E)  transfer RNA 
A)  complementary RNA 
B)  messenger RNA 
C)  ribosomal RNA 
D)  double-stranded RNA 
E)  transfer RNA

Question 14

In DNA,A binds to C.

Accepted Answer

A) True 
 B)False

Question 15

The stage of viral replication in which the virus binds to a cell surface receptor is

Accepted Answer

A)  release. 
B)  penetration. 
C)  synthesis. 
D)  attachment. 
E)  assembly. 
A)  release. 
B)  penetration. 
C)  synthesis. 
D)  attachment. 
E)  assembly.

Question 16

Which of the following diseases is caused by something other than viruses?

Accepted Answer

A)  influenza 
B)  mononucleosis 
C)  polio 
D)  AIDS 
E)  diabetes 
A)  influenza 
B)  mononucleosis 
C)  polio 
D)  AIDS 
E)  diabetes

Question 17

A tRNA molecule is "bilingual" because it binds to

Accepted Answer

A)  amino acids and DNA. 
B)  DNA and mRNA codons. 
C)  promoters and amino acids. 
D)  codons of mRNA and amino acids. 
E)  promoters and terminators. 
A)  amino acids and DNA. 
B)  DNA and mRNA codons. 
C)  promoters and amino acids. 
D)  codons of mRNA and amino acids. 
E)  promoters and terminators.

Question 18

Cystic fibrosis may be caused by a protein that does not fold correctly.

Accepted Answer

A) True 
 B)False

Question 19

Viruses

Accepted Answer

A)  consist of only a single cell. 
B)  are smaller than cells. 
C)  consist of multiple cells. 
D)  contain a nucleus. 
E)  contain ribosomes. 
A)  consist of only a single cell. 
B)  are smaller than cells. 
C)  consist of multiple cells. 
D)  contain a nucleus. 
E)  contain ribosomes.

Question 20

Which of the following best describes the relationship between DNA,proteins,and RNA?

Accepted Answer

A)  DNA is transcribed into RNA, then RNA is translated into proteins. 
B)  DNA is transcribed into proteins, then proteins are translated into RNA. 
C)  DNA is translated into RNA, then RNA is transcribed into proteins. 
D)  DNA is translated into proteins, then proteins are transcribed into RNA. 
A)  DNA is transcribed into RNA, then RNA is translated into proteins. 
B)  DNA is transcribed into proteins, then proteins are translated into RNA. 
C)  DNA is translated into RNA, then RNA is transcribed into proteins. 
D)  DNA is translated into proteins, then proteins are transcribed into RNA.

Exam 7: DNA Structure and Gene Function

If you were a vet examining a cat with an illness,and tests showed that a viral infection was causing the cat's cells to burst,you would say that the cat had

If you were creating a system for protein synthesis in a test tube,for RNA you would only need tRNA and rRNA.

DNA differs from RNA because,unlike RNA,

If E.coli bacterium are grown in the presence of lactose

Most viruses

The genetic information in viruses

Plant cells may help the whole plant fight a virus by dying on purpose.

A cell can receive new genes from a virus and then produce a new set of proteins.

If you found a living Neandertal,genetic analysis of FOXP2 would show maximal similarity to the homologous gene in mice.

-Using the genetic code,what are the amino acids encoded by the sequence AUGUCAACGUGA?

If one strand of DNA has the nitrogenous base sequence ATTCGACGCTA,then the complementary strand has the nitrogenous base sequence

RNA processing involves covalently attaching a piece of RNA to a piece of DNA.

What type of RNA carries amino acids to the ribosome?

In DNA,A binds to C.

The stage of viral replication in which the virus binds to a cell surface receptor is

Which of the following diseases is caused by something other than viruses?

A tRNA molecule is "bilingual" because it binds to

Cystic fibrosis may be caused by a protein that does not fold correctly.

Viruses

Which of the following best describes the relationship between DNA,proteins,and RNA?

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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