Question 1

Which of the following statements about DNA fingerprinting is false?

Accepted Answer

A) The percent of the differences in DNA between people is great (99.9%). 
B) Small DNA samples can be used through a process called PCR. 
C) Everyone has different DNA,except identical twins. 
D) DNA can be extracted from almost any biological sample. 
E) All of these statements are correct. 
A) The percent of the differences in DNA between people is great (99.9%). 
B) Small DNA samples can be used through a process called PCR. 
C) Everyone has different DNA,except identical twins. 
D) DNA can be extracted from almost any biological sample. 
E) All of these statements are correct. A

Question 2

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. D

Question 3

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 4

Recombinant DNA is the process of ________.

Accepted Answer

A) inserting a gene from one species into the DNA sequence of another 
B) commingling the DNA strands of two different chromosomes 
C) combine one chromosome from one species with a chromosome from another species 
D) realigning gene sequences to form a new gene 
E) cross breeding two closely related species to produce a hybrid 
A) inserting a gene from one species into the DNA sequence of another 
B) commingling the DNA strands of two different chromosomes 
C) combine one chromosome from one species with a chromosome from another species 
D) realigning gene sequences to form a new gene 
E) cross breeding two closely related species to produce a hybrid

Question 5

The constriction that appears in duplicated chromosomes during cell division is called a(an)________.

Accepted Answer

A) centromere 
B) telomere 
C) chromatid 
D) chironomid 
E) splitter 
A) centromere 
B) telomere 
C) chromatid 
D) chironomid 
E) splitter

Question 6

A mutation involves an error in

Accepted Answer

A) mRNA manufacture. 
B) translation. 
C) tRNA manufacture. 
D) rRNA manufacture. 
E) DNA replication. 
A) mRNA manufacture. 
B) translation. 
C) tRNA manufacture. 
D) rRNA manufacture. 
E) DNA replication.

Question 7

A promoter sequence is ________.

Accepted Answer

A) a DNA sequence that determines which genes are turned on for coding. 
B) the beginning DNA sequence for all DNA molecules 
C) the initial set of bases showing where an exon begins 
D) the DNA code that begins protein synthesis. 
E) none of the above 
A) a DNA sequence that determines which genes are turned on for coding. 
B) the beginning DNA sequence for all DNA molecules 
C) the initial set of bases showing where an exon begins 
D) the DNA code that begins protein synthesis. 
E) none of the above

Question 8

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 9

The process of making multiple copies of DNA is accomplished by a process called

Accepted Answer

A) polymerase chain reaction. 
B) recombinant DNA. 
C) restriction endonuclease activity. 
D) insertions. 
A) polymerase chain reaction. 
B) recombinant DNA. 
C) restriction endonuclease activity. 
D) insertions.

Question 10

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 11

A gene mutation that results in the coding change for one amino acid in a protein sequence is known as a ________ mutation.

Accepted Answer

A) missense 
B) nonsense 
C) insertion frameshift 
D) deletion frameshift 
E) silent 
A) missense 
B) nonsense 
C) insertion frameshift 
D) deletion frameshift 
E) silent

Question 12

A clone 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 13

Which of the following is not a non-coding portion of a DNA molecule?

Accepted Answer

A) telomere 
B) centromere 
C) exon 
D) intron 
E) promoter sequence 
A) telomere 
B) centromere 
C) exon 
D) intron 
E) promoter sequence

Question 14

The function of a restriction enzyme is to

Accepted Answer

A) build up DNA or RNA molecules one nucleotide at a time. 
B) break down DNA or RNA into all their component nucleotides. 
C) break a DNA molecule between two specific nucleotides. 
D) prevent formation of a chemical bond between a specific pair of nucleotides. 
E) prevent formation of the sugar-phosphate backbone of nucleic acids. 
A) build up DNA or RNA molecules one nucleotide at a time. 
B) break down DNA or RNA into all their component nucleotides. 
C) break a DNA molecule between two specific nucleotides. 
D) prevent formation of a chemical bond between a specific pair of nucleotides. 
E) prevent formation of the sugar-phosphate backbone of nucleic acids.

Question 15

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 16

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 17

A mutagen is

Accepted Answer

A) an error in base sequence that is repeated in each replication or transcription of DNA. 
B) something that causes an error in the nucleotide sequence in DNA. 
C) something that causes abnormal growth in embryos. 
D) something that causes abnormal and excessive cell division. 
E) excessive cell division leading to growth of tumors. 
A) an error in base sequence that is repeated in each replication or transcription of DNA. 
B) something that causes an error in the nucleotide sequence in DNA. 
C) something that causes abnormal growth in embryos. 
D) something that causes abnormal and excessive cell division. 
E) excessive cell division leading to growth of tumors.

Question 18

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 19

The portion of a DNA molecule that actually codes 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 20

Chemicals that cause mutations are called

Accepted Answer

A) mutagens. 
B) mutation. 
C) genetic inhibitor. 
D) genetic modifier. 
E) genetic activator. 
A) mutagens. 
B) mutation. 
C) genetic inhibitor. 
D) genetic modifier. 
E) genetic activator.

Exam 26: Genomics

Which of the following statements about DNA fingerprinting is false?

Telomerase is a(an)

A genetic map is a(an)

Recombinant DNA is the process of ________.

The constriction that appears in duplicated chromosomes during cell division is called a(an)________.

A mutation involves an error in

A promoter sequence is ________.

A gene is a(an)

The process of making multiple copies of DNA is accomplished by a process called

Genomics is the study of

A gene mutation that results in the coding change for one amino acid in a protein sequence is known as a ________ mutation.

A clone is a(an)

Which of the following is not a non-coding portion of a DNA molecule?

The function of a restriction enzyme is to

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

A mutagen is

Telomeres are

The portion of a DNA molecule that actually codes for proteins is called a(an)

Chemicals that cause mutations are called

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

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

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