Question 1

How does modern day sequencing detect dyes on the nucleotides?

Accepted Answer

A)   radioactivity
B)   dye terminator chemicals
C)   DNA breakage
D)   laser
E)   by eyeF) None of the above
G) B) and C)

Question 2

How many codons are there for leucine?

Accepted Answer

A)   two
B)   three
C)   four
D)   five
E)   sixF) C) and E)
G) All of the above

Question 3

What is the role of the enzyme ligase in DNA replication?

Accepted Answer

A)   It unzips the double-stranded DNA.
B)   It seals any breaks in the sugar-phosphate backbone.
C)   It breaks the hydrogen bonds that hold the two strands of the DNA together.
D)   It matches new bases to the old strand by complementary base pairing.
E)   It folds the DNA into a coiled structure.F) B) and D)
G) D) and E)

Question 4

Which of the following is a benefit gained from learning how to sequence DNA?

Accepted Answer

A)   identification of faulty genes
B)   development of treatments for diseases
C)   modification of crops to increase yields
D)   understanding of our evolutionary history
E)   all of these are benefits gained from DNA sequencingF) C) and E)
G) C) and D)

Question 5

How many genes did researchers think the human genome contained? How many did it contain?

Accepted Answer

A)   3 billion; 80,000
B)   1 million; 1 million
C)   25,000; 80,000
D)   80,000; 23,000
E)   125 million; 1 millionF) D) and E)
G) C) and E)

Question 6

Which of the following is the primary goal of bioinformatics?

Accepted Answer

A)   to find significant patterns in the information gained from DNA sequencing and proteomics
B)   to input DNA and protein sequences into a computer
C)   to model the three-dimensional shape of cellular proteins
D)   to obtain the sequence of all the noncoding regions of the DNA
E)   to insert genetic material into human cells for the treatment of a disorderF) None of the above
G) C) and E)

Question 7

Researchers found three genes on chromosome 22 in chimpanzees that, when compared to our human genes, have given us insight into our evolution. What were those three genes?

Accepted Answer

A)   genes for speech development, hearing, and smell
B)   genes for chest size, cranial size, and leg length
C)   genes for taste, opposable thumbs, and bipedalism
D)   genes for speech development, opposable thumbs, and leg length
E)   genes for food preference, bipedalism, and cranial sizeF) C) and D)
G) A) and E)

Question 8

DNA replication is considered

Accepted Answer

A)   conservative.
B)   semiconservative.
C)   dispersive.
D)   relaxed.
E)   stringent.F) B) and C)
G) A) and E)

Question 9

Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

Accepted Answer

Transcription would produce th...

Question 10

As the RNA is being made, it is exported from the nucleus to the cytoplasm for translation.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not studied in the field of proteomics?

Accepted Answer

A)   protein-protein interactions
B)   protein concentration in a cell
C)   which genes give rise to which proteins
D)   cellular location of particular proteins
E)   chemical modifications of proteinsF) A) and B)
G) All of the above

Question 12

Which of the following is not an amino acid?

Accepted Answer

A)   glycine
B)   tryptophan
C)   alanine
D)   valine
E)   uracilF) All of the above
G) A) and D)

Question 13

Which of the following is not a type of mRNA processing?

Accepted Answer

A)   adding a cap
B)   cleaving off the methionine
C)   adding a tail
D)   removing the introns
E)   splicingF) A) and B)
G) A) and C)

Question 14

How similar are our genomes to those of a mouse?

Accepted Answer

A)   1%
B)   10%
C)   35%
D)   85%
E)   99%F) B) and D)
G) B) and C)

Question 15

Which of the following is a coding RNA?

Accepted Answer

A)   small RNA
B)   tRNA
C)   rRNA
D)   mRNA
E)   large RNAF) A) and B)
G) C) and E)

Question 16

How is the recombinant product procured from transgenic bacteria? Transgenic goats?

Accepted Answer

A)   eat them; from the medium in which the bacteria are grown
B)   from the medium in which the bacteria are grown; from the milk
C)   eat them; eat them
D)   from the milk; from the milk
E)   from the medium in which the bacteria are grown; from the meat of the goatF) None of the above
G) A) and B)

Question 17

Which of the following are found within the monomer unit of DNA?

Accepted Answer

A)   phosphate, nitrogen bases
B)   phosphate, amino acids
C)   fatty acids, sugars
D)   amino acids, nitrogen bases
E)   nitrogen bases, fatty acidF) A) and E)
G) A) and C)

Question 18

Which of the following occurs during initiation of translation?

Accepted Answer

A)   The ribosome moves down one codon so that the A site is available to receive an incoming tRNA.
B)   The mRNA binds to the smaller of the two ribosomal subunits.
C)   The polypeptide lengthens one amino acid at a time.
D)   The ribosome dissociates into its two subunits and falls off the mRNA.
E)   One of the three stop codons is reached.F) A) and D)
G) C) and E)

Question 19

When the sequence CGCAAUGCAAGGA is translated, the corresponding protein will be arginine-asparagine- alanine-arginine.

Accepted Answer

A) True 
 B)False

Question 20

Describe the similarities and differences between DNA and RNA.

Accepted Answer

DNA/RNA similarities: both are...

Exam 22: Dna Piology and Technology

Researchers found three genes on chromosome 22 in chimpanzees that, when compared to our human genes, have given us insight into our evolution. What were those three genes?

Correct AnswerverifiedShow Answer

Which of the following is a benefit gained from learning how to sequence DNA?

Correct AnswerverifiedShow Answer

How many codons are there for leucine?

Correct AnswerverifiedShow Answer

Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

Correct AnswerverifiedTranscription would produce th...View AnswerShow Answer

DNA replication is considered

Correct AnswerverifiedShow Answer

When the sequence CGCAAUGCAAGGA is translated, the corresponding protein will be arginine-asparagine- alanine-arginine.

Correct AnswerverifiedShow Answer

Which of the following is not a type of mRNA processing?

Correct AnswerverifiedShow Answer

How many genes did researchers think the human genome contained? How many did it contain?

Correct AnswerverifiedShow Answer

Which of the following is not an amino acid?

Correct AnswerverifiedShow Answer

How similar are our genomes to those of a mouse?

Correct AnswerverifiedShow Answer

Which of the following is a coding RNA?

Correct AnswerverifiedShow Answer

How does modern day sequencing detect dyes on the nucleotides?

Correct AnswerverifiedShow Answer

Which of the following occurs during initiation of translation?

Correct AnswerverifiedShow Answer

Which of the following is not studied in the field of proteomics?

Correct AnswerverifiedShow Answer

As the RNA is being made, it is exported from the nucleus to the cytoplasm for translation.

Correct AnswerverifiedShow Answer

Describe the similarities and differences between DNA and RNA.

Correct AnswerverifiedDNA/RNA similarities: both are...View AnswerShow Answer

Which of the following is the primary goal of bioinformatics?

Correct AnswerverifiedShow Answer

What is the role of the enzyme ligase in DNA replication?

Correct AnswerverifiedShow Answer

Which of the following are found within the monomer unit of DNA?

Correct AnswerverifiedShow Answer

How is the recombinant product procured from transgenic bacteria? Transgenic goats?

Correct AnswerverifiedShow Answer

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Transcription would produce th...
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DNA/RNA similarities: both are...
View Answer

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