Question 1

Which of the following is a coding RNA?

Accepted Answer

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

Question 2

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. 
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.

Question 3

Describe the similarities and differences between DNA and RNA.

Accepted Answer

DNA/RNA similarities: both are

Question 4

How similar are our genomes to those of a mouse?

Accepted Answer

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

Question 5

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 eye 
A)  radioactivity 
B)  dye terminator chemicals 
C)  DNA breakage 
D)  laser 
E)  by eye

Question 6

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 sequencing 
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 sequencing

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Question 9

How many codons are there for leucine?

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
E)  six 
A)  two 
B)  three 
C)  four 
D)  five 
E)  six

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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 size 
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 size

Question 12

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 acid 
A)  phosphate, nitrogen bases 
B)  phosphate, amino acids 
C)  fatty acids, sugars 
D)  amino acids, nitrogen bases 
E)  nitrogen bases, fatty acid

Question 13

Which of the following is not an amino acid?

Accepted Answer

A)  glycine 
B)  tryptophan 
C)  alanine 
D)  valine 
E)  uracil 
A)  glycine 
B)  tryptophan 
C)  alanine 
D)  valine 
E)  uracil

Question 14

Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

Accepted Answer

Transcription would produce th

Question 15

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. 
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.

Question 16

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

Question 17

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 disorder 
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 disorder

Question 18

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 goat 
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 goat

Question 19

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 proteins 
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 proteins

Question 20

DNA replication is considered

Accepted Answer

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

Exam 22: Dna Piology and Technology

Which of the following is a coding RNA?

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

Describe the similarities and differences between DNA and RNA.

How similar are our genomes to those of a mouse?

How does modern day sequencing detect dyes on the nucleotides?

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

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

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

How many codons are there for leucine?

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

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?

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

Which of the following is not an amino acid?

Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

Which of the following occurs during initiation of translation?

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

Which of the following is the primary goal of bioinformatics?

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

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

DNA replication is considered

Human Organization

Chemistery of Life

Cell Structure and Function

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Biology of Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocring System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Hummen Evolution

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

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