Question 1

Linking an ORF with a specific function is an example of gene

Accepted Answer

A)   discovery.
B)   identification.
C)   assembly.
D)   annotation.

Question 2

Explain the technique of two- dimensional (2D) polyacrylamide gel electrophoresis (PAGE).

Accepted Answer

A 2D- PAGE separates proteins based on s...

Question 3

A functional open reading frame (ORF)  encodes for

Accepted Answer

A)   a carbohydrate.
B)   DNA or RNA.
C)   a protein.
D)   all of the above.

Question 4

The mitochondrial genomes of almost all animals, including humans, encode

Accepted Answer

A)   rRNA.
B)   proteins.
C)   tRNA.
D)   all of the above.

Question 5

Explain how genomics has shown mitochondrial evolution to be far more complicated than expected.

Accepted Answer

Some mitochondria contain accessory plas...

Question 6

The largest cellular genomes belong to prokaryotes that are parasitic or endosymbiotic.

Accepted Answer

A) True 
 B)False

Question 7

Chromosomal rearrangements due to insertion sequences have apparently contributed to the evolution of several human pathogens.

Accepted Answer

A) True 
 B)False

Question 8

Explain how evolution can "experiment" with duplicated genes.

Accepted Answer

A duplicated gene allows the second gene...

Question 9

The most abundant genes in prokaryotic genomes are

Accepted Answer

A)   those involved in transport.
B)   those involved in translation.
C)   those involved in DNA replication.
D)   those involved in metabolism.

Question 10

The protozoans Paramecium and Trichomonas have significantly more genes than humans have.

Accepted Answer

A) True 
 B)False

Question 11

Explain how codon bias can be used to detect horizontal gene transfer.

Accepted Answer

If an organism rarely uses a particular ...

Question 12

DNA sequences of_________ prokaryotic genomes are now available in public databases.

Accepted Answer

A)   millions
B)   hundreds
C)   thousands
D)   dozens

Question 13

Genes for DNA replication and transcription make up only a minor fraction of the typical prokaryotic genome.

Accepted Answer

A) True 
 B)False

Question 14

An uncharacterized ORF shares with a known protein- encoding gene a(n) _________of reasonable length and __________ and _________codons.

Accepted Answer

uninterrupted readin...

Question 15

Within Archaea and Bacteria, one megabase of DNA encodes about_________ open reading frames.

Accepted Answer

A)   1,000
B)   100
C)   10,000
D)   10

Question 16

At present, no available method can come close to giving as much information about gene expression as can __________.

Accepted Answer

The answer of At present, no available method can come...

Question 17

Explain horizontal gene transfer and discuss how this phenomenon has complicated evolutionary studies.

Accepted Answer

Horizontal (or lateral) gene transfer in...

Question 18

When analyzing the sequence of genes similar to ones already known, why is the amino acid sequence of the protein more important than the DNA sequence?

Accepted Answer

Over evolutionary time, a nucleotide seq...

Question 19

Comparisons of genes and gene families can be done easily. The results are generally quite predictable, although occasionally there is a surprising find.

Accepted Answer

A) True 
 B)False

Question 20

Many of the genes in the chloroplast genome encode proteins involved in __________ and_________, whereas mitochondrial genomes primarily encode proteins involved in_________.

Accepted Answer

photosynthesis / aut...

Exam 12: Microbial Genomics

At present, no available method can come close to giving as much information about gene expression as can __________.

Correct AnswerverifiedShow Answer

When analyzing the sequence of genes similar to ones already known, why is the amino acid sequence of the protein more important than the DNA sequence?

Correct AnswerverifiedOver evolutionary time, a nucleotide seq...View AnswerShow Answer

Explain the technique of two- dimensional (2D) polyacrylamide gel electrophoresis (PAGE).

Correct AnswerverifiedA 2D- PAGE separates proteins based on s...View AnswerShow Answer

Genes for DNA replication and transcription make up only a minor fraction of the typical prokaryotic genome.

Correct AnswerverifiedShow Answer

An uncharacterized ORF shares with a known protein- encoding gene a(n) _________of reasonable length and __________ and _________codons.

Correct Answerverifieduninterrupted readin...View AnswerShow Answer

Chromosomal rearrangements due to insertion sequences have apparently contributed to the evolution of several human pathogens.

Correct AnswerverifiedShow Answer

Linking an ORF with a specific function is an example of gene

Correct AnswerverifiedShow Answer

DNA sequences of_________ prokaryotic genomes are now available in public databases.

Correct AnswerverifiedShow Answer

The mitochondrial genomes of almost all animals, including humans, encode

Correct AnswerverifiedShow Answer

Within Archaea and Bacteria, one megabase of DNA encodes about_________ open reading frames.

Correct AnswerverifiedShow Answer

The largest cellular genomes belong to prokaryotes that are parasitic or endosymbiotic.

Correct AnswerverifiedShow Answer

A functional open reading frame (ORF) encodes for

Correct AnswerverifiedShow Answer

The protozoans Paramecium and Trichomonas have significantly more genes than humans have.

Correct AnswerverifiedShow Answer

Comparisons of genes and gene families can be done easily. The results are generally quite predictable, although occasionally there is a surprising find.

Correct AnswerverifiedShow Answer

The most abundant genes in prokaryotic genomes are

Correct AnswerverifiedShow Answer

Many of the genes in the chloroplast genome encode proteins involved in __________ and_________, whereas mitochondrial genomes primarily encode proteins involved in_________.

Correct Answerverifiedphotosynthesis / aut...View AnswerShow Answer

Explain how genomics has shown mitochondrial evolution to be far more complicated than expected.

Correct AnswerverifiedSome mitochondria contain accessory plas...View AnswerShow Answer

Explain how evolution can "experiment" with duplicated genes.

Correct AnswerverifiedA duplicated gene allows the second gene...View AnswerShow Answer

Explain how codon bias can be used to detect horizontal gene transfer.

Correct AnswerverifiedIf an organism rarely uses a particular ...View AnswerShow Answer

Explain horizontal gene transfer and discuss how this phenomenon has complicated evolutionary studies.

Correct AnswerverifiedHorizontal (or lateral) gene transfer in...View AnswerShow Answer

Correct Answer
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Over evolutionary time, a nucleotide seq...
View Answer

Correct Answer
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A 2D- PAGE separates proteins based on s...
View Answer

Correct Answer
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An uncharacterized ORF shares with a known protein- encoding gene a(n) _of reasonable length and and ___codons.

Correct Answer
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uninterrupted readin...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Many of the genes in the chloroplast genome encode proteins involved in ______ and_, whereas mitochondrial genomes primarily encode proteins involved in_____.

Correct Answer
verified
photosynthesis / aut...
View Answer

Correct Answer
verified
Some mitochondria contain accessory plas...
View Answer

Correct Answer
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A duplicated gene allows the second gene...
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Correct Answer
verified
If an organism rarely uses a particular ...
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Correct Answer
verified
Horizontal (or lateral) gene transfer in...
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