Question 1

A genetic map is a(an)

Accepted Answer

A) complex of DNA and histones formed in a cell nucleus before cell division. 
B) segment of DNA that directs synthesis of a specific peptide or protein. 
C) list of locations of markers that relate to inheritable traits. 
D) set of identical copies of DNA segments from a single ancestor. 
E) ordered list of the nucleotides in a segment of DNA. 
A) complex of DNA and histones formed in a cell nucleus before cell division. 
B) segment of DNA that directs synthesis of a specific peptide or protein. 
C) list of locations of markers that relate to inheritable traits. 
D) set of identical copies of DNA segments from a single ancestor. 
E) ordered list of the nucleotides in a segment of DNA. C

Question 2

When a specific sequence on a DNA strand is cut by a restriction endonulease this results in what is termed a(n)

Accepted Answer

A) blunt end. 
B) sticky end. 
C) termination. 
D) ligated end. 
E) None of these. 
A) blunt end. 
B) sticky end. 
C) termination. 
D) ligated end. 
E) None of these. B

Question 3

The use of DNA testing to determine which antibiotic will have the fewest side effects in a particular individual would be classified as

Accepted Answer

A) genetic engineering. 
B) bioinformatics. 
C) gene therapy. 
D) bioethics. 
E) pharmacogenetics. 
A) genetic engineering. 
B) bioinformatics. 
C) gene therapy. 
D) bioethics. 
E) pharmacogenetics. E

Question 4

Circular strands of DNA located in the cytoplasm of bacterial cells are called

Accepted Answer

A) plastids. 
B) plasmids. 
C) palindromes. 
D) chromosomes. 
E) primer. 
A) plastids. 
B) plasmids. 
C) palindromes. 
D) chromosomes. 
E) primer.

Question 5

Which of the following is a coding portion of DNA?

Accepted Answer

A) exon 
B) centromere 
C) intron 
D) telomere 
E) none of the above 
A) exon 
B) centromere 
C) intron 
D) telomere 
E) none of the above

Question 6

Telomerase is a(an)

Accepted Answer

A) constriction that determine the shape of chromosomes during cell division. 
B) sequence of nucleotides that code for proteins which function as enzymes. 
C) sequence of nucleotides that code for proteins which function as chemical messengers,usually hormones or neurotransmitters. 
D) enzyme which adds specific groups of nucleic acids to the ends of the DNA molecule. 
E) sequence of non-coding nucleotides at the ends of chromosomes. 
A) constriction that determine the shape of chromosomes during cell division. 
B) sequence of nucleotides that code for proteins which function as enzymes. 
C) sequence of nucleotides that code for proteins which function as chemical messengers,usually hormones or neurotransmitters. 
D) enzyme which adds specific groups of nucleic acids to the ends of the DNA molecule. 
E) sequence of non-coding nucleotides at the ends of chromosomes.

Question 7

The removal of a gene from one organism and incorporating it into the DNA of another is called

Accepted Answer

A) polymerase chain reaction. 
B) recombinant DNA. 
C) genetic selection. 
D) electrophoresis. 
E) mutation. 
A) polymerase chain reaction. 
B) recombinant DNA. 
C) genetic selection. 
D) electrophoresis. 
E) mutation.

Question 8

A technique that sorts amino acids or DNA fragments on the basis of their size is

Accepted Answer

A) polymerase chain reaction. 
B) recombinant DNA. 
C) genetic selection. 
D) electrophoresis. 
E) mutation. 
A) polymerase chain reaction. 
B) recombinant DNA. 
C) genetic selection. 
D) electrophoresis. 
E) mutation.

Question 9

All of the following terms are associated with recombinant DNA except

Accepted Answer

A) plasmids. 
B) bacterial cells. 
C) endonuclease. 
D) hydrogen bonding. 
E) restriction enzymes. 
A) plasmids. 
B) bacterial cells. 
C) endonuclease. 
D) hydrogen bonding. 
E) restriction enzymes.

Question 10

The order of views of a genome map,from largest scale to smallest scale is

Accepted Answer

A) chromosome,physical map,genetic map,overlapping clones,nucleotide sequence. 
B) nucleotide sequence,physical map,overlapping clones,genetic map,chromosome. 
C) physical map,genetic map,chromosome,overlapping clones,nucleotide sequence. 
D) chromosome,genetic map,physical map,overlapping clones,nucleotide sequence. 
E) nucleotide sequence,chromosome,overlapping clones,physical map,genetic map. 
A) chromosome,physical map,genetic map,overlapping clones,nucleotide sequence. 
B) nucleotide sequence,physical map,overlapping clones,genetic map,chromosome. 
C) physical map,genetic map,chromosome,overlapping clones,nucleotide sequence. 
D) chromosome,genetic map,physical map,overlapping clones,nucleotide sequence. 
E) nucleotide sequence,chromosome,overlapping clones,physical map,genetic map.

Question 11

The portion of a DNA molecule that does not code for proteins is called a(an)

Accepted Answer

A) intron. 
B) exon. 
C) sticky end. 
D) codon. 
E) primer. 
A) intron. 
B) exon. 
C) sticky end. 
D) codon. 
E) primer.

Question 12

A gene mutation that involves a change of one base in the DNA is called a ________ mutation

Accepted Answer

A) missense 
B) frameshift 
C) point 
D) nonsense 
A) missense 
B) frameshift 
C) point 
D) nonsense

Question 13

Telomeres are

Accepted Answer

A) constrictions that determine the shape of chromosomes during cell division. 
B) sequences of nucleotides that code for proteins which function as enzymes. 
C) sequences of nucleotides that code for proteins which function as chemical messengers,usually hormones or neurotransmitters. 
D) enzymes which add specific groups of nucleic acids to the ends of the DNA molecule. 
E) sequences of non-coding nucleotides at the ends of chromosomes. 
A) constrictions that determine the shape of chromosomes during cell division. 
B) sequences of nucleotides that code for proteins which function as enzymes. 
C) sequences of nucleotides that code for proteins which function as chemical messengers,usually hormones or neurotransmitters. 
D) enzymes which add specific groups of nucleic acids to the ends of the DNA molecule. 
E) sequences of non-coding nucleotides at the ends of chromosomes.

Question 14

One type of hereditary mutation that results in a defect in the enzyme tyrosinase that causes a loss of skin pigment is called

Accepted Answer

A) albinism. 
B) Tay-Sachs disease. 
C) phenylketonuria. 
D) muscular dystrophy. 
E) prions disease. 
A) albinism. 
B) Tay-Sachs disease. 
C) phenylketonuria. 
D) muscular dystrophy. 
E) prions disease.

Question 15

A gene is a(an)

Accepted Answer

A) complex of DNA and histones formed in a cell nucleus before cell division. 
B) segment of DNA that directs synthesis of a specific peptide or protein. 
C) list of locations of markers that relate to inheritable traits. 
D) set of identical copies of DNA segments from a single ancestor. 
E) ordered list of the nucleotides in a segment of DNA. 
A) complex of DNA and histones formed in a cell nucleus before cell division. 
B) segment of DNA that directs synthesis of a specific peptide or protein. 
C) list of locations of markers that relate to inheritable traits. 
D) set of identical copies of DNA segments from a single ancestor. 
E) ordered list of the nucleotides in a segment of DNA.

Question 16

Genomics is the study of

Accepted Answer

A) errors in the replication of DNA. 
B) diseases whose transmission and occurrence are linked to heredity. 
C) the characteristics and functions of complete sets of genes. 
D) transference of genetic material from one species to another. 
E) the science of using biological materials for economic advantage. 
A) errors in the replication of DNA. 
B) diseases whose transmission and occurrence are linked to heredity. 
C) the characteristics and functions of complete sets of genes. 
D) transference of genetic material from one species to another. 
E) the science of using biological materials for economic advantage.

Question 17

All of the following terms are associated with recombinant DNA except

Accepted Answer

A) plasmids. 
B) restriction enzymes. 
C) bacterial cells. 
D) ribonuclease. 
E) sticky ends. 
A) plasmids. 
B) restriction enzymes. 
C) bacterial cells. 
D) ribonuclease. 
E) sticky ends.

Question 18

One type of hereditary mutation that results in a defect in the enzyme hexosaminidase A and causes mental retardation is called

Accepted Answer

A) albinism. 
B) Tay-Sachs disease. 
C) phenylketonuria. 
D) muscular dystrophy. 
E) prions disease. 
A) albinism. 
B) Tay-Sachs disease. 
C) phenylketonuria. 
D) muscular dystrophy. 
E) prions disease.

Question 19

The molecular basis of a mutation is most closely linked to a

Accepted Answer

A) defect in the transcription of a genetic message to mRNA. 
B) change in the sequence of bases on a DNA molecule. 
C) defect in the rRNA of ribosomes. 
D) misplaced stop codon. 
E) All statements are incorrect. 
A) defect in the transcription of a genetic message to mRNA. 
B) change in the sequence of bases on a DNA molecule. 
C) defect in the rRNA of ribosomes. 
D) misplaced stop codon. 
E) All statements are incorrect.

Question 20

When EcoRI recognizes the sequence G-A-A-T-T-C it cuts a strand between the G and A on the double strand.What is the sequence of the sticky end on one of the strands of the DNA strand shown?
5' 3'
-G-A-A-T-T-C-
-C-T-T-A-A-G-
3' 5'

Accepted Answer

A) -C-T-T-A-A 
B) A-A-T-T-C- 
C) G-A-A-T-C 
D) Both A and B are correct. 
E) All of these are correct. 
A) -C-T-T-A-A 
B) A-A-T-T-C- 
C) G-A-A-T-C 
D) Both A and B are correct. 
E) All of these are correct.

Exam 27: Genomics

A genetic map is a(an)

When a specific sequence on a DNA strand is cut by a restriction endonulease this results in what is termed a(n)

The use of DNA testing to determine which antibiotic will have the fewest side effects in a particular individual would be classified as

Circular strands of DNA located in the cytoplasm of bacterial cells are called

Which of the following is a coding portion of DNA?

Telomerase is a(an)

The removal of a gene from one organism and incorporating it into the DNA of another is called

A technique that sorts amino acids or DNA fragments on the basis of their size is

All of the following terms are associated with recombinant DNA except

The order of views of a genome map,from largest scale to smallest scale is

The portion of a DNA molecule that does not code for proteins is called a(an)

A gene mutation that involves a change of one base in the DNA is called a ________ mutation

Telomeres are

One type of hereditary mutation that results in a defect in the enzyme tyrosinase that causes a loss of skin pigment is called

A gene is a(an)

Genomics is the study of

All of the following terms are associated with recombinant DNA except

One type of hereditary mutation that results in a defect in the enzyme hexosaminidase A and causes mental retardation is called

The molecular basis of a mutation is most closely linked to a

When EcoRI recognizes the sequence G-A-A-T-T-C it cuts a strand between the G and A on the double strand.What is the sequence of the sticky end on one of the strands of the DNA strand shown? 5' 3' -G-A-A-T-T-C- -C-T-T-A-A-G- 3' 5'

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

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