Question 1

It only takes a matter of several hours to sequence 1000 base-pair sections of DNA.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A)  eat them, from growth media 
B)  from growth media, drink milk 
C)  eat them, eat them 
D)  drink milk, drink milk 
E)  from growth media, from growth media 
A)  eat them, from growth media 
B)  from growth media, drink milk 
C)  eat them, eat them 
D)  drink milk, drink milk 
E)  from growth media, from growth media

Question 3

Which of the following statements about PCR is not true?

Accepted Answer

A)  PCR stands for "polymerizing copies of RNA". 
B)  PCR can create millions of copies of a segment of DNA in a test tube. 
C)  PCR uses DNA polymerase. 
D)  The amount of DNA doubles with each replication cycle. 
E)  The target is repeatedly replicated. 
A)  PCR stands for "polymerizing copies of RNA". 
B)  PCR can create millions of copies of a segment of DNA in a test tube. 
C)  PCR uses DNA polymerase. 
D)  The amount of DNA doubles with each replication cycle. 
E)  The target is repeatedly replicated.

Question 4

How many different amino acids are commonly found in proteins?

Accepted Answer

A)  5 
B)  10 
C)  20 
D)  50 
E)  over 100 
A)  5 
B)  10 
C)  20 
D)  50 
E)  over 100

Question 5

What is the goal of functional genomics?

Accepted Answer

A)  to determine all of the human genome sequence 
B)  to determine the genome sequence of other organisms useful to humans 
C)  to determine the purpose of our genes and how they form a human being 
D)  to determine how all the proteins within the cell interact 
E)  to carry out gene therapy for human diseases 
A)  to determine all of the human genome sequence 
B)  to determine the genome sequence of other organisms useful to humans 
C)  to determine the purpose of our genes and how they form a human being 
D)  to determine how all the proteins within the cell interact 
E)  to carry out gene therapy for human diseases

Question 6

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 7

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)  20,500; 80,000 
D)  80,000; 20,500 
E)  125 million; 1 million 
A)  3 billion; 80,000 
B)  1 million; 1 million 
C)  20,500; 80,000 
D)  80,000; 20,500 
E)  125 million; 1 million

Question 8

The "r" in "rRNA" stands for reticulum RNA because this type of RNA is associated with the endoplasmic reticulum.

Accepted Answer

A) True 
 B)False

Question 9

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 10

If the codon is CCA,what is the anticodon and what amino acid will be inserted?

Accepted Answer

A)  CCA, proline 
B)  GGU, proline 
C)  GGT, glycine 
D)  ACC, threonine 
E)  UGG, tryptophan 
A)  CCA, proline 
B)  GGU, proline 
C)  GGT, glycine 
D)  ACC, threonine 
E)  UGG, tryptophan

Question 11

Which of the following is not an application of PCR?

Accepted Answer

A)  study evolutionary history 
B)  study mummies 
C)  crime scene investigations 
D)  treat cancer 
E)  detect a genetic disorder 
A)  study evolutionary history 
B)  study mummies 
C)  crime scene investigations 
D)  treat cancer 
E)  detect a genetic disorder

Question 12

What enzyme is responsible for transcribing RNA?

Accepted Answer

A)  helicase 
B)  DNA polymerase 
C)  RNA polymerase 
D)  ligase 
E)  protease 
A)  helicase 
B)  DNA polymerase 
C)  RNA polymerase 
D)  ligase 
E)  protease

Question 13

The sugar in DNA is deoxyribose while the sugar in RNA is ribose.

Accepted Answer

A) True 
 B)False

Question 14

Both DNA and RNA are

Accepted Answer

A)  found in the cytoplasm. 
B)  transcribed. 
C)  translated. 
D)  found in the nucleus. 
E)  considered the genetic material of the cell. 
A)  found in the cytoplasm. 
B)  transcribed. 
C)  translated. 
D)  found in the nucleus. 
E)  considered the genetic material of the cell.

Question 15

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 16

Which of the following nucleotide sequences could give rise to the amino acid sequence alanine-asparatate-glycine? Assume that translation initiation has already occurred.

Accepted Answer

A)  GUUAAGAGG 
B)  GCCGACGGC 
C)  CACCGCCGA 
D)  GAUGGUGCU 
E)  UUUUAAUGG 
A)  GUUAAGAGG 
B)  GCCGACGGC 
C)  CACCGCCGA 
D)  GAUGGUGCU 
E)  UUUUAAUGG

Question 17

Which of the following is not a level of regulation for gene expression?

Accepted Answer

A)  Pretranscriptional 
B)  Transcriptional 
C)  Posttranscriptional 
D)  Pretranslational 
E)  Translational 
A)  Pretranscriptional 
B)  Transcriptional 
C)  Posttranscriptional 
D)  Pretranslational 
E)  Translational

Question 18

Researchers found 3 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 19

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 20

To transcribe something is to make an identical copy,i.e.,if the original is DNA,the transcribed copy is also DNA.

Accepted Answer

A) True 
 B)False

Exam 21: DNA Biology and Technology

It only takes a matter of several hours to sequence 1000 base-pair sections of DNA.

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

Which of the following statements about PCR is not true?

How many different amino acids are commonly found in proteins?

What is the goal of functional genomics?

Which of the following is not an amino acid?

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

The "r" in "rRNA" stands for reticulum RNA because this type of RNA is associated with the endoplasmic reticulum.

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

If the codon is CCA,what is the anticodon and what amino acid will be inserted?

Which of the following is not an application of PCR?

What enzyme is responsible for transcribing RNA?

The sugar in DNA is deoxyribose while the sugar in RNA is ribose.

Both DNA and RNA are

Which of the following is the primary goal of bioinformatics?

Which of the following nucleotide sequences could give rise to the amino acid sequence alanine-asparatate-glycine? Assume that translation initiation has already occurred.

Which of the following is not a level of regulation for gene expression?

Researchers found 3 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?

How many codons are there for leucine?

To transcribe something is to make an identical copy,i.e.,if the original is DNA,the transcribed copy is also DNA.

Exploring Life and Science

Chemistry of Life

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

Cardiovascular System: Blood

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Human Evolution

Global Ecology and Human Interferences

Human Population, planetary Resources, and Conservation

Infectious Diseases Supplement

Filters