Question 1

The nitrogenous base attaches to the ____-carbon of the nucleotide's sugar.

Accepted Answer

A) 1' 
B) 2' 
C) 3' 
D) 4' 
E) 5' 
A) 1' 
B) 2' 
C) 3' 
D) 4' 
E) 5' A

Question 2

Which of the following is NOT a conclusion reached by Mendel?

Accepted Answer

A) Characteristics of plants are governed by distinct factors or units of inheritance. 
B) Gametes from each plant have two copies of the gene for each trait. 
C) An organism's two alleles segregate from each other during gamete formation. 
D) The two alleles for a trait carried by an organism may be identical to one another. 
E) The two alleles for a trait carried by an organism may be different from one another. 
A) Characteristics of plants are governed by distinct factors or units of inheritance. 
B) Gametes from each plant have two copies of the gene for each trait. 
C) An organism's two alleles segregate from each other during gamete formation. 
D) The two alleles for a trait carried by an organism may be identical to one another. 
E) The two alleles for a trait carried by an organism may be different from one another. B

Question 3

What kind of DNA sequence is 20% to 80% of the total DNA in plant and animal genomes, depending on the organism, and includes sequences repeated within the genome a few times to tens of thousands of times?

Accepted Answer

A) moderately repeated DNA sequences 
B) nonrepeated sequences 
C) highly repeated sequences 
D) satellites, minisatellites and microsatellites 
E) very unique sequence DNA 
A) moderately repeated DNA sequences 
B) nonrepeated sequences 
C) highly repeated sequences 
D) satellites, minisatellites and microsatellites 
E) very unique sequence DNA A

Question 4

You isolate DNA from a particular organism and analyze it. The amount of adenine was 6 µmoles and the A+T/G+C ratio is 4.0. How much guanine should be in the sample?

Accepted Answer

A) 6 µmoles 
B) 3 µmoles 
C) 1.5 µmoles 
D) 4 µmoles 
E) 12 µmoles 
A) 6 µmoles 
B) 3 µmoles 
C) 1.5 µmoles 
D) 4 µmoles 
E) 12 µmoles

Question 5

What technique supplied the data that led Watson and Crick to hypothesize the double helical structure of DNA?

Accepted Answer

A) sucrose density centrifugation 
B) polyacrylamide gel electrophoresis 
C) X-ray diffraction/crystallography 
D) autoradiography 
E) ion exchange chromatography 
A) sucrose density centrifugation 
B) polyacrylamide gel electrophoresis 
C) X-ray diffraction/crystallography 
D) autoradiography 
E) ion exchange chromatography

Question 6

____________ are sites in the genome that vary among different individuals. This term usually refers to a genetic variant that occurs in at least 1% of a species population.

Accepted Answer

A) Genetic variances 
B) Genetic anomalies 
C) Genetic polymorphisms 
D) Genetic polyploidisms 
E) Genetic polydactyly 
A) Genetic variances 
B) Genetic anomalies 
C) Genetic polymorphisms 
D) Genetic polyploidisms 
E) Genetic polydactyly

Question 7

________ refers to the fact that the sequence of one DNA strand specifies the sequence of the other strand in the double helix.

Accepted Answer

A) Indirectionality 
B) Complexity 
C) Complementarity 
D) Similarity 
E) Compulsivity 
A) Indirectionality 
B) Complexity 
C) Complementarity 
D) Similarity 
E) Compulsivity

Question 8

Mendel's Law of Independent Assortment states that ____________.

Accepted Answer

A) segregation of an allelic pair for one trait has no effect on segregation of alleles for another trait 
B) an organism's two alleles for a gene separate from one another during gamete formation 
C) segregation of an allelic pair for one trait has a great effect on segregation of alleles for another trait 
D) an organism's three alleles for a gene separate from one another during gamete formation 
E) gametes are diploid and highly variable 
A) segregation of an allelic pair for one trait has no effect on segregation of alleles for another trait 
B) an organism's two alleles for a gene separate from one another during gamete formation 
C) segregation of an allelic pair for one trait has a great effect on segregation of alleles for another trait 
D) an organism's three alleles for a gene separate from one another during gamete formation 
E) gametes are diploid and highly variable

Question 9

The building blocks of a nucleotide are ___________.

Accepted Answer

A) a pentose sugar and a phosphate group 
B) a pentose sugar and a nitrogenous base 
C) a phosphate group and a nitrogenous base 
D) a pentose sugar, a phosphate group and a nitrogenous base 
E) a pentose sugar, a phosphate group and an amino acid 
A) a pentose sugar and a phosphate group 
B) a pentose sugar and a nitrogenous base 
C) a phosphate group and a nitrogenous base 
D) a pentose sugar, a phosphate group and a nitrogenous base 
E) a pentose sugar, a phosphate group and an amino acid

Question 10

A single gene can encode a number of related proteins as a result of a process called _______.

Accepted Answer

A) alternative splicing 
B) gene expression 
C) polymorphism 
D) alternative addition 
E) alternative expression 
A) alternative splicing 
B) gene expression 
C) polymorphism 
D) alternative addition 
E) alternative expression

Question 11

Satellite DNAs have been localized to the _________________- during in situ hybridization studies:

Accepted Answer

A) nucleolus 
B) centromere 
C) spindle 
D) mitochondria 
E) nucleosomes 
A) nucleolus 
B) centromere 
C) spindle 
D) mitochondria 
E) nucleosomes

Question 12

Purines are characterized by _______; pyrimidines are characterized by ______.

Accepted Answer

A) two rings; one ring 
B) one ring; two rings 
C) two rings; three rings 
D) two rings; two rings 
E) two rings; one chain 
A) two rings; one ring 
B) one ring; two rings 
C) two rings; three rings 
D) two rings; two rings 
E) two rings; one chain

Question 13

Which statement below explains the uniform width of the DNA molecule along its entire width?

Accepted Answer

A) A purine nitrogenous base always pairs with another purine nitrogenous base. 
B) A pyrimidine nitrogenous base always pairs with another pyrimidine nitrogenous base. 
C) A pyrimidine nitrogenous base always pairs with a purine nitrogenous base. 
D) Repulsion between phosphate groups keeps the strands a uniform distance apart. 
E) Attraction between phosphate groups keeps the strands a uniform distance apart. 
A) A purine nitrogenous base always pairs with another purine nitrogenous base. 
B) A pyrimidine nitrogenous base always pairs with another pyrimidine nitrogenous base. 
C) A pyrimidine nitrogenous base always pairs with a purine nitrogenous base. 
D) Repulsion between phosphate groups keeps the strands a uniform distance apart. 
E) Attraction between phosphate groups keeps the strands a uniform distance apart.

Question 14

Using genome-wide association studies (GWASs), an association was found between ___________ and the high risk allele identified as _____________.

Accepted Answer

A) diabetes, APOE4 
B) cardiovascular disease, APOE6 
C) congestive heart failure, APLE2 
D) Alzheimer's disease, APOE4 
A) diabetes, APOE4 
B) cardiovascular disease, APOE6 
C) congestive heart failure, APLE2 
D) Alzheimer's disease, APOE4

Question 15

Which of the following is a DNA nucleotide?

Accepted Answer

A) a phosphate group, adenine and ribose 
B) a phosphate group, guanine and deoxyribose 
C) cytosine and ribose 
D) thymine and deoxyribose 
E) a phosphate group and adenine 
A) a phosphate group, adenine and ribose 
B) a phosphate group, guanine and deoxyribose 
C) cytosine and ribose 
D) thymine and deoxyribose 
E) a phosphate group and adenine

Question 16

Which of the following does NOT suggest that the AMY1 gene has been subject to natural selection during human evolution?

Accepted Answer

A) Chimps have one copy of the gene in their genome, while humans have multiple copies of the same gene. 
B) Chimps have multiple copies of the gene in their genome, while humans have one copy of the same gene. 
C) There is a higher concentration of the enzyme in human saliva than in chimp saliva. 
D) The number of copies of the AMY1 gene tends to be higher in human populations that ingest greater quantities of starch in their diet. 
A) Chimps have one copy of the gene in their genome, while humans have multiple copies of the same gene. 
B) Chimps have multiple copies of the gene in their genome, while humans have one copy of the same gene. 
C) There is a higher concentration of the enzyme in human saliva than in chimp saliva. 
D) The number of copies of the AMY1 gene tends to be higher in human populations that ingest greater quantities of starch in their diet.

Question 17

What was the original strain of fruit flies called in Morgan's studies?

Accepted Answer

A) wild ones 
B) originals 
C) wild type 
D) normal type 
E) dominant type 
A) wild ones 
B) originals 
C) wild type 
D) normal type 
E) dominant type

Question 18

What does it likely mean if portions of the noncoding regions of the genome are conserved?

Accepted Answer

A) Exons code for proteins. 
B) Exons are not as important as once was thought. 
C) Noncoding parts of the genome actually have important, unidentified functions. 
D) Introns have no importance. 
E) Introns must be excised to maintain consistency. 
A) Exons code for proteins. 
B) Exons are not as important as once was thought. 
C) Noncoding parts of the genome actually have important, unidentified functions. 
D) Introns have no importance. 
E) Introns must be excised to maintain consistency.

Question 19

How is the degree of DNA denaturation measured in C0t studies?

Accepted Answer

A) Absorbance of UV light by DNA increases as DNA denatures. 
B) Absorbance of UV light by DNA decreases as DNA denatures. 
C) Absorbance of infrared light by DNA increases as DNA denatures. 
D) The temperature of the solution indicates the degree of denaturation. 
E) The color of the solution indicates the degree of denaturation. 
A) Absorbance of UV light by DNA increases as DNA denatures. 
B) Absorbance of UV light by DNA decreases as DNA denatures. 
C) Absorbance of infrared light by DNA increases as DNA denatures. 
D) The temperature of the solution indicates the degree of denaturation. 
E) The color of the solution indicates the degree of denaturation.

Question 20

Which of the following characteristics initially made fruit flies a poor subject for genetic studies?

Accepted Answer

A) a short generation time from egg to maturity 
B) they produced up to 1000 eggs in a lifetime 
C) easy to house and breed 
D) there was only one strain of flies available 
E) inexpensive to maintain 
A) a short generation time from egg to maturity 
B) they produced up to 1000 eggs in a lifetime 
C) easy to house and breed 
D) there was only one strain of flies available 
E) inexpensive to maintain

The nitrogenous base attaches to the ____-carbon of the nucleotide's sugar.

Which of the following is NOT a conclusion reached by Mendel?

What kind of DNA sequence is 20% to 80% of the total DNA in plant and animal genomes, depending on the organism, and includes sequences repeated within the genome a few times to tens of thousands of times?

You isolate DNA from a particular organism and analyze it. The amount of adenine was 6 µmoles and the A+T/G+C ratio is 4.0. How much guanine should be in the sample?

What technique supplied the data that led Watson and Crick to hypothesize the double helical structure of DNA?

____________ are sites in the genome that vary among different individuals. This term usually refers to a genetic variant that occurs in at least 1% of a species population.

________ refers to the fact that the sequence of one DNA strand specifies the sequence of the other strand in the double helix.

Mendel's Law of Independent Assortment states that ____________.

The building blocks of a nucleotide are ___________.

A single gene can encode a number of related proteins as a result of a process called _______.

Satellite DNAs have been localized to the _________________- during in situ hybridization studies:

Purines are characterized by _; pyrimidines are characterized by .

Which statement below explains the uniform width of the DNA molecule along its entire width?

Using genome-wide association studies (GWASs), an association was found between _ and the high risk allele identified as ___.

Which of the following is a DNA nucleotide?

Which of the following does NOT suggest that the AMY1 gene has been subject to natural selection during human evolution?

What was the original strain of fruit flies called in Morgan's studies?

What does it likely mean if portions of the noncoding regions of the genome are conserved?

How is the degree of DNA denaturation measured in C₀t studies?

Which of the following characteristics initially made fruit flies a poor subject for genetic studies?

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Exam 10: The Nature of the Gene and the Genome

The nitrogenous base attaches to the ____-carbon of the nucleotide's sugar.

Which of the following is NOT a conclusion reached by Mendel?

What kind of DNA sequence is 20% to 80% of the total DNA in plant and animal genomes, depending on the organism, and includes sequences repeated within the genome a few times to tens of thousands of times?

You isolate DNA from a particular organism and analyze it. The amount of adenine was 6 µmoles and the A+T/G+C ratio is 4.0. How much guanine should be in the sample?

What technique supplied the data that led Watson and Crick to hypothesize the double helical structure of DNA?

____________ are sites in the genome that vary among different individuals. This term usually refers to a genetic variant that occurs in at least 1% of a species population.

________ refers to the fact that the sequence of one DNA strand specifies the sequence of the other strand in the double helix.

Mendel's Law of Independent Assortment states that ____________.

The building blocks of a nucleotide are ___________.

A single gene can encode a number of related proteins as a result of a process called _______.

Satellite DNAs have been localized to the _________________- during in situ hybridization studies:

Purines are characterized by _______; pyrimidines are characterized by ______.

Which statement below explains the uniform width of the DNA molecule along its entire width?

Using genome-wide association studies (GWASs), an association was found between ___________ and the high risk allele identified as _____________.

Which of the following is a DNA nucleotide?

Which of the following does NOT suggest that the AMY1 gene has been subject to natural selection during human evolution?

What was the original strain of fruit flies called in Morgan's studies?

What does it likely mean if portions of the noncoding regions of the genome are conserved?

How is the degree of DNA denaturation measured in C0t studies?

Which of the following characteristics initially made fruit flies a poor subject for genetic studies?

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Purines are characterized by _; pyrimidines are characterized by .

Using genome-wide association studies (GWASs), an association was found between _ and the high risk allele identified as ___.

How is the degree of DNA denaturation measured in C₀t studies?