Question 1

You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately:​
-This codon terminates a coding region.

Accepted Answer

A)  ​AUG
B)  ​UAA
C)  ​UUU
D)  ​UUA
E)  ​AAAF) B) and E)
G) C) and E)

Question 2

What is the probability of a mutation occurring within the protein coding region of the human genome during a single cell division event?

Accepted Answer

There are 6.5 x 109 base pairs in a dipl...

Question 3

Which statement is true?

Accepted Answer

A)   ​Gene mutations never occur independently of each other.
B)   ​Gene mutations are very common.
C)   ​Ionizing radiation is caused by chromosomal damage.
D)   ​Mutations are random.
E)   ​The loci of gene mutations can be predicted.F) A) and D)
G) A) and C)

Question 4

Choose the best matching element.​
-translation

Accepted Answer

A)  ​results in a hairless appearance of the sphynx cat
B)  ​RNA-directed process involving polypeptide chains
C)  ​sites at which RNA polymerases can bind and initiate transcription
D)  ​binds to small subunit platform of a ribosome
E)  ​guided and catalyzed by RNA polymerasesF) ​polypeptide chain elongation proceeds independently at each body in this clusterG) ​adds nucleotides to the end of a growing RNAH) ​a tRNA triplet opposite a codonI) ​a set of three nucleotidesJ) C) and D)
K) A) and B)

Question 5

Frameshift mutations may involve the

Accepted Answer

A)   ​substitution of nucleotides.
B)   ​substitution of codons.
C)   ​substitution of amino acids.
D)   ​addition or deletion of one or more base pairs.
E)   ​rearrangement of amino acids.F) B) and C)
G) All of the above

Question 6

The concepts of transcription and translation have been said to form the 'central dogma' of molecular biology. Is this a fitting description?

Accepted Answer

​A dogma is a central tenant on which a ...

Question 7

Choose the best matching element.​
-codon

Accepted Answer

A)  ​results in a hairless appearance of the sphynx cat
B)  ​RNA-directed process involving polypeptide chains
C)  ​sites at which RNA polymerases can bind and initiate transcription
D)  ​binds to small subunit platform of a ribosome
E)  ​guided and catalyzed by RNA polymerasesF) ​polypeptide chain elongation proceeds independently at each body in this clusterG) ​adds nucleotides to the end of a growing RNAH) ​a tRNA triplet opposite a codonI) ​a set of three nucleotidesJ) A) and B)
K) H) and I)

Question 8

Choose the best matching element.​
-promoters

Accepted Answer

A)  ​results in a hairless appearance of the sphynx cat
B)  ​RNA-directed process involving polypeptide chains
C)  ​sites at which RNA polymerases can bind and initiate transcription
D)  ​binds to small subunit platform of a ribosome
E)  ​guided and catalyzed by RNA polymerasesF) ​polypeptide chain elongation proceeds independently at each body in this clusterG) ​adds nucleotides to the end of a growing RNAH) ​a tRNA triplet opposite a codonI) ​a set of three nucleotidesJ) A) and G)
K) A) and F)

Question 9

Choose the best matching element.​
-messenger RNA

Accepted Answer

A)  ​results in a hairless appearance of the sphynx cat
B)  ​RNA-directed process involving polypeptide chains
C)  ​sites at which RNA polymerases can bind and initiate transcription
D)  ​binds to small subunit platform of a ribosome
E)  ​guided and catalyzed by RNA polymerasesF) ​polypeptide chain elongation proceeds independently at each body in this clusterG) ​adds nucleotides to the end of a growing RNAH) ​a tRNA triplet opposite a codonI) ​a set of three nucleotidesJ) A) and D)
K) C) and D)

Question 10

You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately:​
-A DNA codon of ATT is complementary to this RNA codon.

Accepted Answer

A)  ​AUG
B)  ​UAA
C)  ​UUU
D)  ​UUA
E)  ​AAAF) All of the above
G) A) and D)

Question 11

You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately:​
-The anticodon AAA pairs with this codon.

Accepted Answer

A)  ​AUG
B)  ​UAA
C)  ​UUU
D)  ​UUA
E)  ​AAAF) B) and C)
G) C) and E)

Question 12

Choose the best matching element.​
-single base-pair mutation

Accepted Answer

A)  ​results in a hairless appearance of the sphynx cat
B)  ​RNA-directed process involving polypeptide chains
C)  ​sites at which RNA polymerases can bind and initiate transcription
D)  ​binds to small subunit platform of a ribosome
E)  ​guided and catalyzed by RNA polymerasesF) ​polypeptide chain elongation proceeds independently at each body in this clusterG) ​adds nucleotides to the end of a growing RNAH) ​a tRNA triplet opposite a codonI) ​a set of three nucleotidesJ) D) and I)
K) A) and F)

Question 13

Choose the best matching element.​
-anticodon

Accepted Answer

A)  ​results in a hairless appearance of the sphynx cat
B)  ​RNA-directed process involving polypeptide chains
C)  ​sites at which RNA polymerases can bind and initiate transcription
D)  ​binds to small subunit platform of a ribosome
E)  ​guided and catalyzed by RNA polymerasesF) ​polypeptide chain elongation proceeds independently at each body in this clusterG) ​adds nucleotides to the end of a growing RNAH) ​a tRNA triplet opposite a codonI) ​a set of three nucleotidesJ) A) and I)
K) A) and H)

Question 14

A polysome is

Accepted Answer

A)   ​one of the units of a ribosome.
B)   ​the nuclear organelle that synthesizes RNA.
C)   ​an organelle that functions similarly to a ribosome during meiosis.
D)   ​the two units of a ribosome considered together.
E)   ​an mRNA molecule with several ribosomes attached.F) B) and E)
G) A) and D)

Question 15

Ricin is toxic because it

Accepted Answer

A)   ​binds to eukaryotic DNA.
B)   ​binds to eukaryotic mRNA.
C)   ​blocks food from entering the cell.
D)   ​inactivates ribosomes.
E)   ​binds to nerve tissue and causes paralysis.F) B) and E)
G) C) and E)

Question 16

During transcription, uracil pairs with

Accepted Answer

A)   ​ribose.
B)   ​adenine.
C)   ​cytosine.
D)   ​thymine.
E)   ​guanine.F) A) and E)
G) A) and B)

Question 17

Ricin is a(n)

Accepted Answer

A)   substance found in castor bean seeds.​
B)   ​polysaccharide extracted from rice.
C)   ​ingredient in many paints and cosmetics.
D)   ​protein that inactivates ribosomes.
E)   ​substance found in castor bean seeds and a protein that inactivates ribosomes.F) A) and B)
G) None of the above

Question 18

Figure 9.11
 
-What is shown in the figure above?

Accepted Answer

A)   transcription in eukaryotes
B)   translation in prokaryotes
C)   translation in eukaryotes
D)   DNA replication
E)   transcription in prokaryotesF) All of the above
G) A) and B)

Question 19

In this depiction of transcription (accompanying figure) , the ____ strand is ____ because it ____.

Accepted Answer

A)   upper; RNA; contains guanine
B)   upper; RNA; contains uracil
C)   lower; RNA; contains thymine
D)   upper; RNA; has no uracil
E)   lower; DNA; contains adenineF) A) and B)
G) A) and D)

Question 20

The difference between normal and sickle-cell hemoglobin is based upon the

Accepted Answer

A)   ​number of amino acids in the molecule.
B)   ​substitution of one amino acid for another.
C)   ​number and orientation of the amino acid chains attached to the heme portion of the molecule.
D)   ​number of oxygen molecules that can be carried.
E)   ​type of bone marrow that produces it.F) A) and B)
G) A) and C)

Exam 9: From Dna to Protein

Choose the best matching element.​ -single base-pair mutation

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Choose the best matching element.​ -translation

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In this depiction of transcription (accompanying figure) , the ____ strand is ____ because it ____.

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You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately:​ -A DNA codon of ATT is complementary to this RNA codon.

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Choose the best matching element.​ -messenger RNA

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Which statement is true?

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The concepts of transcription and translation have been said to form the 'central dogma' of molecular biology. Is this a fitting description?

Correct Answerverified​A dogma is a central tenant on which a ...View AnswerShow Answer

You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately:​ -The anticodon AAA pairs with this codon.

Correct AnswerverifiedShow Answer

What is the probability of a mutation occurring within the protein coding region of the human genome during a single cell division event?

Correct AnswerverifiedThere are 6.5 x 109 base pairs in a dipl...View AnswerShow Answer

During transcription, uracil pairs with

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Choose the best matching element.​ -codon

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A polysome is

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The difference between normal and sickle-cell hemoglobin is based upon the

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Figure 9.11 -What is shown in the figure above?

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Ricin is toxic because it

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Ricin is a(n)

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Choose the best matching element.​ -anticodon

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Frameshift mutations may involve the

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You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately:​ -This codon terminates a coding region.

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Choose the best matching element.​ -promoters

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Choose the best matching element. -single base-pair mutation

Correct Answer
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Choose the best matching element. -translation

Correct Answer
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In this depiction of transcription (accompanying figure) , the strand is because it .

Correct Answer
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You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately: -A DNA codon of ATT is complementary to this RNA codon.

Correct Answer
verified

Choose the best matching element. -messenger RNA

Correct Answer
verified

Correct Answer
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Correct Answer
verified
A dogma is a central tenant on which a ...
View Answer

You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately: -The anticodon AAA pairs with this codon.

Correct Answer
verified

Correct Answer
verified
There are 6.5 x 109 base pairs in a dipl...
View Answer

Correct Answer
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Choose the best matching element. -codon

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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Choose the best matching element. -anticodon

Correct Answer
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Correct Answer
verified

You will need a genetic code table to answer the following. The following statement refer to the five RNA codons listed below; match them appropriately: -This codon terminates a coding region.

Correct Answer
verified

Choose the best matching element. -promoters

Correct Answer
verified