Question 1

The type of RNA that delivers amino acids to the ribosome during protein synthesis is tRNA.

Accepted Answer

A) True 
 B)False

Question 2

The "Central Dogma" refers:

Accepted Answer

A)  Genetic information passing from DNA to RNA by translation
B)  Genetic information passing from RNA to protein by transcription
C)  To inheritance of traits between generations
D)  To production of energy in a cell
E)  To the flow of genetic information in cellsF) C) and E)
G) None of the above

Question 3

A poly A tail helps attach the ribosome to the mRNA molecule and may also determine how long the mRNA is retained within the cell.

Accepted Answer

A) True 
 B)False

Question 4

How does this study support the study of a family with a language disorder support the role of genes in communication?

Accepted Answer

A)  The identification of a single mutation in a single gene responsible for the disorder
B)  The disorder is common in the family
C)  The family members were all lacking vocal chords
D)  The identification of multiple mutations in multiple genes responsible for the disorder
E)  The identification of the same mutation in all patients with speech disordersF) A) and D)
G) None of the above

Question 5

Which of the following is not a common cause of mutation?

Accepted Answer

A)  Errors in replication
B)  Events of meiosis
C)  Exposure to radiation
D)  Exposure to chemical substances
E)  ObesityF) A) and D)
G) A) and C)

Question 6

Gene therapy might someday be used to treat many genetic disorders by removing faulty genes from somatic cells and replacing them with functional gene copies.

Accepted Answer

A) True 
 B)False

Question 7

A three base sequence (loop) in tRNA that is complementary to a sequence of three bases in mRNA is:

Accepted Answer

A)  A codon
B)  An anticodon
C)  A promoter
D)  A terminator
E)  An amino acid attachment siteF) A) and B)
G) B) and C)

Question 8

In eukaryotic cells gene expression may be controlled by not allowing mRNA to leave the nucleus.

Accepted Answer

A) True 
 B)False

Question 9

Proteins that initiate transcription in eukaryotes by recognizing sequences within the promoter region of a gene and attracting RNA polymerase are:

Accepted Answer

A)  Repressors
B)  Inducers
C)  Transcription factors
D)  TATA boxes
E)  Poly A TailsF) A) and E)
G) C) and D)

Question 10

Based on this study,FOXP2 must be expressed in which tissues?

Accepted Answer

A)  Muscle
B)  Muscle and brain
C)  Brain
D)  Nerves in the ear
E)  Muscle and nerves in the earF) None of the above
G) A) and E)

Question 11

The type of RNA that carries each amino acid to the ribosome is:

Accepted Answer

A)  Complementary RNA
B)  Messenger RNA
C)  Ribosomal RNA
D)  Double-stranded RNA
E)  Transfer RNAF) C) and E)
G) B) and C)

Question 12

RNA differs from DNA in that:

Accepted Answer

A)  RNA contains ribose
B)  RNA contains uracil
C)  All are correct
D)  RNA is usually single stranded
E)  RNA can catalyze chemical reactionsF) A) and E)
G) D) and E)

Question 13

In the bacterium
E. coli, in the absence of lactose, a repressor protein binds to the operator region of the DNA, preventing the transcription of the genes of the lactose operon.BLOOM'S LEVEL: 1. Remember
LEARNING OUTCOME: 07.06.01 Explain how the transcription of a gene is regulated.SECTION: 07.06
TOPIC: Gene Regulation

Accepted Answer

A) True 
 B)False

Question 14

A diploid cell only has two copies of most genes,but can make hundreds of copies of a protein from those genes per second because during transcription:

Accepted Answer

A)  Multiple codons can encode for the same amino acid
B)  Multiple ribosomes can bind to the same mRNA simultaneously
C)  The DNA can replicate making more copies of the gene
D)  Once formed, proteins can feed back and help make more proteins
E)  Multiple copies of the same mRNA can be produced from one geneF) A) and B)
G) A) and C)

Question 15

In a "frameshift" mutation:

Accepted Answer

A)  The codon that mutates causes a change in the amino acid specified
B)  The codon that mutates causes a stop codon to occur instead of the placement of an amino acid
C)  The mutation does not occur in a codon
D)  May be caused by an addition or deletion of one or more nucleotides
E)  The mutation is not in DNAF) A) and C)
G) C) and D)

Question 16

A group of prokaryotic genes and other segments of DNA that are controlled together is:

Accepted Answer

A)  A proteome
B)  A chromosome
C)  A ribosome
D)  A replication fork
E)  An operonF) A) and E)
G) B) and E)

Question 17

A gene is any DNA sequence that is transcribed to mRNA only.

Accepted Answer

A) True 
 B)False

Question 18

If you compared the DNA sequence of a gene with the sequence of the mature mRNA that was transcribed from the gene you would find:

Accepted Answer

A)  The mRNA is shorter because it does not contain exons
B)  Both are the same length
C)  The mRNA is shorter because it does not contain introns
D)  The mRNA is shorter because each codon of three bases encodes only one amino acid
E)  The mRNA is longer because each codon of one amino acid encodes three basesF) A) and D)
G) C) and D)

Question 19

A DNA sequence that signals a gene's start is:

Accepted Answer

A)  A codon
B)  An anticodon
C)  A terminator
D)  A promoter
E)  An amino acid attachment siteF) C) and D)
G) D) and E)

Question 20

Translocation during meiosis is not a cause of mutation.

Accepted Answer

A) True 
 B)False

Exam 7: Dna Structure and Gene Function

A diploid cell only has two copies of most genes,but can make hundreds of copies of a protein from those genes per second because during transcription:

Correct Answer
verified

In a "frameshift" mutation:

Correct Answer
verified

How does this study support the study of a family with a language disorder support the role of genes in communication?

Correct Answer
verified

Based on this study,FOXP2 must be expressed in which tissues?

Correct Answer
verified

The type of RNA that delivers amino acids to the ribosome during protein synthesis is tRNA.

Correct Answer
verified

RNA differs from DNA in that:

Correct Answer
verified

A DNA sequence that signals a gene's start is:

Correct Answer
verified

In eukaryotic cells gene expression may be controlled by not allowing mRNA to leave the nucleus.

Correct Answer
verified

Which of the following is not a common cause of mutation?

Correct Answer
verified

Translocation during meiosis is not a cause of mutation.

Correct Answer
verified

A poly A tail helps attach the ribosome to the mRNA molecule and may also determine how long the mRNA is retained within the cell.

Correct Answer
verified

Gene therapy might someday be used to treat many genetic disorders by removing faulty genes from somatic cells and replacing them with functional gene copies.

Correct Answer
verified

A gene is any DNA sequence that is transcribed to mRNA only.

Correct Answer
verified

Correct Answer
verified

A three base sequence (loop) in tRNA that is complementary to a sequence of three bases in mRNA is:

Correct Answer
verified

Proteins that initiate transcription in eukaryotes by recognizing sequences within the promoter region of a gene and attracting RNA polymerase are:

Correct Answer
verified

A group of prokaryotic genes and other segments of DNA that are controlled together is:

Correct Answer
verified

If you compared the DNA sequence of a gene with the sequence of the mature mRNA that was transcribed from the gene you would find:

Correct Answer
verified

The type of RNA that carries each amino acid to the ribosome is:

Correct Answer
verified

The "Central Dogma" refers:

Correct Answer
verified

Exam 7: Dna Structure and Gene Function

A diploid cell only has two copies of most genes,but can make hundreds of copies of a protein from those genes per second because during transcription:

Correct AnswerverifiedShow Answer

In a "frameshift" mutation:

Correct AnswerverifiedShow Answer

How does this study support the study of a family with a language disorder support the role of genes in communication?

Correct AnswerverifiedShow Answer

Based on this study,FOXP2 must be expressed in which tissues?

Correct AnswerverifiedShow Answer

The type of RNA that delivers amino acids to the ribosome during protein synthesis is tRNA.

Correct AnswerverifiedShow Answer

RNA differs from DNA in that:

Correct AnswerverifiedShow Answer

A DNA sequence that signals a gene's start is:

Correct AnswerverifiedShow Answer

In eukaryotic cells gene expression may be controlled by not allowing mRNA to leave the nucleus.

Correct AnswerverifiedShow Answer

Which of the following is not a common cause of mutation?

Correct AnswerverifiedShow Answer

Translocation during meiosis is not a cause of mutation.

Correct AnswerverifiedShow Answer

A poly A tail helps attach the ribosome to the mRNA molecule and may also determine how long the mRNA is retained within the cell.

Correct AnswerverifiedShow Answer

Gene therapy might someday be used to treat many genetic disorders by removing faulty genes from somatic cells and replacing them with functional gene copies.

Correct AnswerverifiedShow Answer

A gene is any DNA sequence that is transcribed to mRNA only.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A three base sequence (loop) in tRNA that is complementary to a sequence of three bases in mRNA is:

Correct AnswerverifiedShow Answer

Proteins that initiate transcription in eukaryotes by recognizing sequences within the promoter region of a gene and attracting RNA polymerase are:

Correct AnswerverifiedShow Answer

A group of prokaryotic genes and other segments of DNA that are controlled together is:

Correct AnswerverifiedShow Answer

If you compared the DNA sequence of a gene with the sequence of the mature mRNA that was transcribed from the gene you would find:

Correct AnswerverifiedShow Answer

The type of RNA that carries each amino acid to the ribosome is:

Correct AnswerverifiedShow Answer

The "Central Dogma" refers:

Correct AnswerverifiedShow Answer

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Correct Answer
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