Question 1

Electromagnetic energy of which of the following wavelengths can damage DNA?

Accepted Answer

A)  300 micrometers 
B)  300 centimeters 
C)  300 nanometers 
D)  300 millimeters 
E)  300 meters 
A)  300 micrometers 
B)  300 centimeters 
C)  300 nanometers 
D)  300 millimeters 
E)  300 meters

Question 2

Match the correct nucleotide with its description.
a.guanine
b.cytosine
c.adenine
d.thymine
e.uracil
-This nucleotide is a double-ringed molecule and develops two hydrogen bonds with its complementary in the double helix DNA.

Accepted Answer

The answer of Match the correct nucleotide with its description.
a.guanine
b.cytosine
c.adenine
d.thymine
e.uracil
-This...

Question 3

Which of the following is correct about the DNA molecules that result from DNA replication?

Accepted Answer

A)  one DNA molecule has both parent strands; the other DNA molecule has two new strands. 
B)  both DNA molecules have two new strands each; the parent strands are discarded. 
C)  one DNA molecule has a parent strand and a new strand; the other DNA molecule has two new strands 
D)  both DNA molecules have one new strand and one old strand 
E)  the bottom parts of each new DNA molecule are new strands and the top parts of each new DNA molecule are old strands 
A)  one DNA molecule has both parent strands; the other DNA molecule has two new strands. 
B)  both DNA molecules have two new strands each; the parent strands are discarded. 
C)  one DNA molecule has a parent strand and a new strand; the other DNA molecule has two new strands 
D)  both DNA molecules have one new strand and one old strand 
E)  the bottom parts of each new DNA molecule are new strands and the top parts of each new DNA molecule are old strands

Question 4

Four of the five chemicals listed below are bases used to construct nucleic acids.Select the EXCEPTION.

Accepted Answer

A)  adenine 
B)  cytosine 
C)  thymine 
D)  guanine 
E)  cysteine 
A)  adenine 
B)  cytosine 
C)  thymine 
D)  guanine 
E)  cysteine

Question 5

Body cells of human males contain

Accepted Answer

A)  one X chromosome and one Y chromosome. 
B)  two X chromosomes. 
C)  two Y chromosomes. 
D)  two O chromosomes. 
E)  chromosomes X, Y, and O. 
A)  one X chromosome and one Y chromosome. 
B)  two X chromosomes. 
C)  two Y chromosomes. 
D)  two O chromosomes. 
E)  chromosomes X, Y, and O.

Question 6

Which of the following sugar molecules is involved in the structure of DNA?

Accepted Answer

A)  ribose 
B)  ribulose 
C)  deoxyribulose 
D)  deoxyribose 
E)  glucose 
A)  ribose 
B)  ribulose 
C)  deoxyribulose 
D)  deoxyribose 
E)  glucose

Question 7

Match the correct nucleotide with its description.
a.guanine
b.cytosine
c.adenine
d.thymine
e.uracil
-This nucleotide is not incorporated into the structure of the DNA helix.

Accepted Answer

The answer of Match the correct nucleotide with its description.
a.guanine
b.cytosine
c.adenine
d.thymine
e.uracil
-This...

Question 8

Match the correct nucleotide with its description.
a.guanine
b.cytosine
c.adenine
d.thymine
e.uracil
-Two hydrogen bonds connect adenine to _____ in the DNA molecule.

Accepted Answer

The answer of Match the correct nucleotide with its description.
a.guanine
b.cytosine
c.adenine
d.thymine
e.uracil
-Two...

Question 9

Butterflies are diploid organisms.In these animals,the sex of an individual is determined by Z and W chromosomes.Use this information to answer the following question(s).
-Which chromosomes are carried by a normal male butterfly?

Accepted Answer

A)  ZO 
B)  ZW 
C)  WW 
D)  WO 
E)  ZWW 
A)  ZO 
B)  ZW 
C)  WW 
D)  WO 
E)  ZWW

Electromagnetic energy of which of the following wavelengths can damage DNA?

Match the correct nucleotide with its description. a.guanine b.cytosine c.adenine d.thymine e.uracil -This nucleotide is a double-ringed molecule and develops two hydrogen bonds with its complementary in the double helix DNA.

Which of the following is correct about the DNA molecules that result from DNA replication?

Four of the five chemicals listed below are bases used to construct nucleic acids.Select the EXCEPTION.

Body cells of human males contain

Which of the following sugar molecules is involved in the structure of DNA?

Match the correct nucleotide with its description. a.guanine b.cytosine c.adenine d.thymine e.uracil -This nucleotide is not incorporated into the structure of the DNA helix.

Match the correct nucleotide with its description. a.guanine b.cytosine c.adenine d.thymine e.uracil -Two hydrogen bonds connect adenine to _____ in the DNA molecule.

Butterflies are diploid organisms.In these animals,the sex of an individual is determined by Z and W chromosomes.Use this information to answer the following question(s). -Which chromosomes are carried by a normal male butterfly?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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Exam 6: DNA Structure and Function

Electromagnetic energy of which of the following wavelengths can damage DNA?

Match the correct nucleotide with its description. a.guanine b.cytosine c.adenine d.thymine e.uracil -This nucleotide is a double-ringed molecule and develops two hydrogen bonds with its complementary in the double helix DNA.

Which of the following is correct about the DNA molecules that result from DNA replication?

Four of the five chemicals listed below are bases used to construct nucleic acids.Select the EXCEPTION.

Body cells of human males contain

Which of the following sugar molecules is involved in the structure of DNA?

Match the correct nucleotide with its description. a.guanine b.cytosine c.adenine d.thymine e.uracil -This nucleotide is not incorporated into the structure of the DNA helix.

Match the correct nucleotide with its description. a.guanine b.cytosine c.adenine d.thymine e.uracil -Two hydrogen bonds connect adenine to _____ in the DNA molecule.

Butterflies are diploid organisms.In these animals,the sex of an individual is determined by Z and W chromosomes.Use this information to answer the following question(s). -Which chromosomes are carried by a normal male butterfly?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters