Question 1

Most homeotic genes encode _____; therefore, the protein products of these master genes are found in the _____.

Accepted Answer

A)  stop codons; ribosomes
B)  transcription factors; nucleus
C)  transcription factors; extracellular matrix
D)  splicing proteins; endoplasmic reticulum
E)  energy releasing proteins; mitochondriaF) B) and D)
G) A) and E)

Question 2

In eukaryotes, DNA is transcribed in the _____.

Accepted Answer

A)  mitochondria
B)  cytoplasm
C)  ribosomes
D)  nucleus
E)  endoplasmic reticulumF) C) and D)
G) A) and B)

Question 3

During transcription, _____.

Accepted Answer

A)  non-coding sequences are removed from the RNA transcript
B)  regulatory proteins attach to the DNA at the promoter site
C)  DNA polymerase assembles RNA nucleotides
D)  the entire DNA strand opens up for complete gene transcription
E)  tRNA brings nucleotides to the DNA strandF) A) and C)
G) A) and B)

Question 4

What is an anticodon?

Accepted Answer

A)  the region of DNA that codes for the codon
B)  the region of DNA that base pairs with the codon
C)  the region of the mRNA that codes for an amino acid
D)  the region of the mRNA that base pairs with the tRNA
E)  the region of the tRNA that base pairs with the mRNAF) A) and E)
G) B) and C)

Question 5

What are the non-coding segments of DNA called?

Accepted Answer

A)  introns
B)  exons
C)  promoters
D)  transcription factors
E)  knockoutsF) C) and E)
G) A) and B)

Question 6

In prokaryotes, transcription occurs in the _____.

Accepted Answer

A)  mitochondria
B)  cytoplasm
C)  ribosomes
D)  nucleus
E)  endoplasmic reticulumF) A) and D)
G) A) and C)

Question 7

The master gene that controls eye development in all multicellular eukaryotes is an example of a(n) _____.

Accepted Answer

A)  homeotic gene
B)  conserved protein
C)  RNA enzyme
D)  Barr body
E)  translation factorF) A) and C)
G) B) and E)

Question 8

A Barr body exists for the purpose of _____.

Accepted Answer

A)  gene dosage compensation
B)  insuring fertilization
C)  blocking the activity of the Y chromosome
D)  turning on the SRY gene
E)  activating master genesF) C) and D)
G) A) and E)

Question 9

Homeotic genes encode which type of protein?

Accepted Answer

A)  transcription factors
B)  ribosomal proteins
C)  channel proteins
D)  membrane-associated proteins
E)  DNA methylasesF) A) and E)
G) D) and E)

Question 10

In this representation of transcription, strand # ____ is ____ because it ____.

Accepted Answer

A)  2; RNA; is double-stranded
B)  3; RNA; contains uracil
C)  2; RNA; contains thymine
D)  2; RNA; has no uracil
E)  3; DNA; contains adenineF) A) and D)
G) A) and C)

Question 11

Which type of mutation results in sickle cell anemia?

Accepted Answer

A)  base-pair substitution
B)  insertion
C)  deletion
D)  frame-shift
E)  gene duplicationF) B) and D)
G) B) and C)

Question 12

In prokaryotes, translation takes place in the _____.

Accepted Answer

A)  cytoplasm
B)  nucleus
C)  plasma membrane
D)  endoplasmic reticulum
E)  Golgi bodiesF) A) and B)
G) B) and E)

Question 13

Match between columns
                        Premises: site at which RNA polymerase binds and initiates transcription

Accepted Answer

The Answer of translation and genetic code and anticodon and is...

Question 14

What is the genetic code?

Accepted Answer

A)  all of our genes collectively
B)  all of our base-pairs collectively
C)  the genetic "words" that code for amino acids
D)  the genes in DNA that code for proteins
E)  the genes that encode protein productsF) A) and D)
G) A) and B)

Question 15

The information from messenger RNA is used to create polypeptide sequences during the process of _____.

Accepted Answer

A)  transduction
B)  transcription
C)  transformation
D)  translation
E)  replicationF) A) and B)
G) A) and E)

Question 16

Which nucleotide is added to the end of a completed messenger RNA transcript?

Accepted Answer

A)  adenine
B)  thymine
C)  cytosine
D)  guanine
E)  alternating adenine and thymineF) C) and D)
G) A) and D)

Question 17

In mammals, X chromosome inactivation results in _____.

Accepted Answer

A)  a total inactivation of both female X chromosomes
B)  only the inactivation of the paternal X chromosome in females
C)  only the inactivation of the maternal X chromosome in females
D)  the random inactivation of either the paternal  or the maternal X in females
E)  the inactivation of the maternal X chromosome in malesF) A) and B)
G) A) and C)

Question 18

Match between columns
                        Premises: binds to ribosomes to begin translation

Accepted Answer

The Answer of translation termination and codon and anticodon and is...

Question 19

A gene is a DNA sequence that codes for a protein or _____ product.

Accepted Answer

A)  RNA
B)  DNA
C)  ribosomes
D)  a lipid
E)  exonsF) A) and E)
G) C) and D)

Question 20

Match between columns
                        Premises: an mRNA code for one amino acid

Accepted Answer

The Answer of genetic code and rRNA and transcription and is...

Exam 7: Gene Expression and Control

In prokaryotes, transcription occurs in the _____.

Correct Answer
verified

During transcription, _____.

Correct Answer
verified

Match each term with the most appropriate description.

Match each term with the most appropriate description.

Match each term with the most appropriate description.

In prokaryotes, translation takes place in the _____.

Correct Answer
verified

Most homeotic genes encode _; therefore, the protein products of these master genes are found in the _.

Correct Answer
verified

In mammals, X chromosome inactivation results in _____.

Correct Answer
verified

A Barr body exists for the purpose of _____.

Correct Answer
verified

In eukaryotes, DNA is transcribed in the _____.

Correct Answer
verified

What is the genetic code?

Correct Answer
verified

The information from messenger RNA is used to create polypeptide sequences during the process of _____.

Correct Answer
verified

In this representation of transcription, strand # is because it .

Correct Answer
verified

A gene is a DNA sequence that codes for a protein or _____ product.

Correct Answer
verified

Which type of mutation results in sickle cell anemia?

Correct Answer
verified

What are the non-coding segments of DNA called?

Correct Answer
verified

Homeotic genes encode which type of protein?

Correct Answer
verified

The master gene that controls eye development in all multicellular eukaryotes is an example of a(n) _____.

Correct Answer
verified

What is an anticodon?

Correct Answer
verified

Which nucleotide is added to the end of a completed messenger RNA transcript?

Correct Answer
verified

Exam 7: Gene Expression and Control

In prokaryotes, transcription occurs in the _____.

Correct AnswerverifiedShow Answer

During transcription, _____.

Correct AnswerverifiedShow Answer

Match each term with the most appropriate description.

Match each term with the most appropriate description.

Match each term with the most appropriate description.

In prokaryotes, translation takes place in the _____.

Correct AnswerverifiedShow Answer

Most homeotic genes encode _____; therefore, the protein products of these master genes are found in the _____.

Correct AnswerverifiedShow Answer

In mammals, X chromosome inactivation results in _____.

Correct AnswerverifiedShow Answer

A Barr body exists for the purpose of _____.

Correct AnswerverifiedShow Answer

In eukaryotes, DNA is transcribed in the _____.

Correct AnswerverifiedShow Answer

What is the genetic code?

Correct AnswerverifiedShow Answer

The information from messenger RNA is used to create polypeptide sequences during the process of _____.

Correct AnswerverifiedShow Answer

In this representation of transcription, strand # ____ is ____ because it ____.

Correct AnswerverifiedShow Answer

A gene is a DNA sequence that codes for a protein or _____ product.

Correct AnswerverifiedShow Answer

Which type of mutation results in sickle cell anemia?

Correct AnswerverifiedShow Answer

What are the non-coding segments of DNA called?

Correct AnswerverifiedShow Answer

Homeotic genes encode which type of protein?

Correct AnswerverifiedShow Answer

The master gene that controls eye development in all multicellular eukaryotes is an example of a(n) _____.

Correct AnswerverifiedShow Answer

What is an anticodon?

Correct AnswerverifiedShow Answer

Which nucleotide is added to the end of a completed messenger RNA transcript?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Most homeotic genes encode _; therefore, the protein products of these master genes are found in the _.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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In this representation of transcription, strand # is because it .

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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