Question 1

In experiments to show that DNA is the genetic material,Hershey and Chase labeled DNA with radioactive

Accepted Answer

A) amino acids. 
B) sulfur. 
C) phosphorus. 
D) carbon. 
A) amino acids. 
B) sulfur. 
C) phosphorus. 
D) carbon.

Question 2

The first and best-known DNA amplification technique is _____.

Accepted Answer

A) the polymerase chain reaction 
B) Okazaki synthesis 
C) Sanger sequencing 
D) next-generation sequencing 
A) the polymerase chain reaction 
B) Okazaki synthesis 
C) Sanger sequencing 
D) next-generation sequencing

Question 3

In 1902,Archibald Garrod linked inheritance to proteins when he noted that

Accepted Answer

A) inherited metabolic disorders in humans are associated with missing enzymes. 
B) substances in cells could transform bacteria from nonvirulence to virulence. 
C) proteins are made up of amino acids. 
D) the substance that transmits traits is in the cell nucleus. 
A) inherited metabolic disorders in humans are associated with missing enzymes. 
B) substances in cells could transform bacteria from nonvirulence to virulence. 
C) proteins are made up of amino acids. 
D) the substance that transmits traits is in the cell nucleus.

Question 4

Antiparallelism means that

Accepted Answer

A) the two strands of a DNA molecule run in opposite directions. 
B) the DNA double helix twists first one way,then the other. 
C) the DNA bases are sometimes on the outside of the molecule. 
D) the DNA molecule cannot dissolve in water. 
A) the two strands of a DNA molecule run in opposite directions. 
B) the DNA double helix twists first one way,then the other. 
C) the DNA bases are sometimes on the outside of the molecule. 
D) the DNA molecule cannot dissolve in water.

Question 5

Which of the following is most correct regarding genes,DNA,and protein?

Accepted Answer

A) A gene is a section of DNA whose sequence encodes a particular protein,which is composed of amino acids. 
B) A gene is a section of a chromosomal DNA composed of many amino acids. 
C) DNA is composed of many genes,which are formed from amino acid sequences. 
D) DNA is composed of amino acids,which encode the protein and genotype. 
A) A gene is a section of DNA whose sequence encodes a particular protein,which is composed of amino acids. 
B) A gene is a section of a chromosomal DNA composed of many amino acids. 
C) DNA is composed of many genes,which are formed from amino acid sequences. 
D) DNA is composed of amino acids,which encode the protein and genotype.

Question 6

Because DNA strands are antiparallel,replication proceeds

Accepted Answer

A) continuously on both strands. 
B) continuously on one strand and discontinuously on the other. 
C) discontinuously on both strands. 
D) continuously on both strands for a time and then discontinuously. 
A) continuously on both strands. 
B) continuously on one strand and discontinuously on the other. 
C) discontinuously on both strands. 
D) continuously on both strands for a time and then discontinuously.

Question 7

The directional nature of the DNA double helix is observed in the

Accepted Answer

A) locations of the hydrogen bonds. 
B) locations of the numbered carbons in the sugars. 
C) locations of the oxygen atom in the phosphate. 
D) double helix when it is separated into single strands. 
A) locations of the hydrogen bonds. 
B) locations of the numbered carbons in the sugars. 
C) locations of the oxygen atom in the phosphate. 
D) double helix when it is separated into single strands.

Question 8

Which researchers showed that DNA is the genetic material?

Accepted Answer

A) Watson and Crick 
B) Hershey and Chase 
C) Garrod and Griffith 
D) Meselson and Stahl 
A) Watson and Crick 
B) Hershey and Chase 
C) Garrod and Griffith 
D) Meselson and Stahl

Question 9

Rosalind Franklin did not share in the Nobel Prize for determining the structure of DNA,although her work was critical to it,because she had died,and it is only awarded to living people.

Accepted Answer

A) True 
 B)False

Question 10

Hershey and Chase demonstrated that DNA was the genetic material using

Accepted Answer

A) poodles in microwave ovens. 
B) hamsters and a blender. 
C) frogs and a dishwasher. 
D) viruses and a blender. 
A) poodles in microwave ovens. 
B) hamsters and a blender. 
C) frogs and a dishwasher. 
D) viruses and a blender.

Question 11

A scientist discovers a virus whose genome consists of an unusual DNA strand.She finds the following percentage of bases: 23% A,12% T,30% G,and 35%C.Which of the following best explains these results?

Accepted Answer

A) The bases are not purines or pyrimidines. 
B) Chargaff was wrong. 
C) Linus Pauling's model of DNA was correct. 
D) The DNA in this virus is single-stranded. 
A) The bases are not purines or pyrimidines. 
B) Chargaff was wrong. 
C) Linus Pauling's model of DNA was correct. 
D) The DNA in this virus is single-stranded.

Question 12

The DNA researcher who had his genome sequenced is

Accepted Answer

A) Francis Crick. 
B) James Watson. 
C) Frederick Griffith. 
D) Maurice Wilkins. 
A) Francis Crick. 
B) James Watson. 
C) Frederick Griffith. 
D) Maurice Wilkins.

Question 13

In DNA,cytosine binds with

Accepted Answer

A) uracil. 
B) adenine. 
C) thymine. 
D) guanine. 
A) uracil. 
B) adenine. 
C) thymine. 
D) guanine.

Question 14

If the sequence of one strand of a DNA molecule is 5' ATGGCAT 3',the sequence of the complementary strand is:

Accepted Answer

A) 5' ATGGCAT 3' 
B) 3' ATGGCAT 5' 
C) 5' TACCGTA 3' 
D) 3' TACCGTA 5' 
A) 5' ATGGCAT 3' 
B) 3' ATGGCAT 5' 
C) 5' TACCGTA 3' 
D) 3' TACCGTA 5'

In experiments to show that DNA is the genetic material,Hershey and Chase labeled DNA with radioactive

The first and best-known DNA amplification technique is _____.

In 1902,Archibald Garrod linked inheritance to proteins when he noted that

Antiparallelism means that

Which of the following is most correct regarding genes,DNA,and protein?

Because DNA strands are antiparallel,replication proceeds

The directional nature of the DNA double helix is observed in the

Which researchers showed that DNA is the genetic material?

Rosalind Franklin did not share in the Nobel Prize for determining the structure of DNA,although her work was critical to it,because she had died,and it is only awarded to living people.

Hershey and Chase demonstrated that DNA was the genetic material using

A scientist discovers a virus whose genome consists of an unusual DNA strand.She finds the following percentage of bases: 23% A,12% T,30% G,and 35%C.Which of the following best explains these results?

The DNA researcher who had his genome sequenced is

In DNA,cytosine binds with

If the sequence of one strand of a DNA molecule is 5' ATGGCAT 3',the sequence of the complementary strand is:

What Is in a Human Genome

Cells

Meiosis,Development and Aging

Single-Gene Inheritance

Beyond Mendels Laws

Matters of Sex

Multifactorial Traits

Genetics of Behavior

Gene Action: From DNA to Protein

Gene Expression and Epigenetics

Gene Mutation

Chromosomes

Constant Allele Frequencies

Changing Allele Frequencies

Human Ancestry and Evolution

Genetics of Immunity

Cancer Genetics and Genomics

Genetic Technologies: Patenting, modifying, and Monitoring Dna

Genetic Testing and Treatment

Reproductive Technologies

Genomics

Filters

Exam 9: DNA Structure and Replication

In experiments to show that DNA is the genetic material,Hershey and Chase labeled DNA with radioactive

The first and best-known DNA amplification technique is _____.

In 1902,Archibald Garrod linked inheritance to proteins when he noted that

Antiparallelism means that

Which of the following is most correct regarding genes,DNA,and protein?

Because DNA strands are antiparallel,replication proceeds

The directional nature of the DNA double helix is observed in the

Which researchers showed that DNA is the genetic material?

Rosalind Franklin did not share in the Nobel Prize for determining the structure of DNA,although her work was critical to it,because she had died,and it is only awarded to living people.

Hershey and Chase demonstrated that DNA was the genetic material using

A scientist discovers a virus whose genome consists of an unusual DNA strand.She finds the following percentage of bases: 23% A,12% T,30% G,and 35%C.Which of the following best explains these results?

The DNA researcher who had his genome sequenced is

In DNA,cytosine binds with

If the sequence of one strand of a DNA molecule is 5' ATGGCAT 3',the sequence of the complementary strand is:

What Is in a Human Genome

Cells

Meiosis,Development and Aging

Single-Gene Inheritance

Beyond Mendels Laws

Matters of Sex

Multifactorial Traits

Genetics of Behavior

Gene Action: From DNA to Protein

Gene Expression and Epigenetics

Gene Mutation

Chromosomes

Constant Allele Frequencies

Changing Allele Frequencies

Human Ancestry and Evolution

Genetics of Immunity

Cancer Genetics and Genomics

Genetic Technologies: Patenting, modifying, and Monitoring Dna

Genetic Testing and Treatment

Reproductive Technologies

Genomics

Filters