Question 1

How many types of nucleotides are found in DNA molecules?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  6 
A)  1 
B)  2 
C)  3 
D)  4 
E)  6 D

Question 2

The connection point of two sister chromatids is called the

Accepted Answer

A)  chromatid. 
B)  chromatin. 
C)  centriole. 
D)  centrosome. 
E)  centromere. 
A)  chromatid. 
B)  chromatin. 
C)  centriole. 
D)  centrosome. 
E)  centromere. E

Question 3

Which of the following has occurred in cloned animals?

Accepted Answer

A)  lung problems 
B)  liver problems 
C)  limping 
D)  heart problems 
E)  all of these have occurred in cloned animals 
A)  lung problems 
B)  liver problems 
C)  limping 
D)  heart problems 
E)  all of these have occurred in cloned animals E

Question 4

Which scientist(s)suggested for the first time that the proportion of adenine and guanine differs from one species to another?

Accepted Answer

A)  Watson and Crick 
B)  Wilkins 
C)  Hershey and Chase 
D)  Chargaff 
E)  Franklin 
A)  Watson and Crick 
B)  Wilkins 
C)  Hershey and Chase 
D)  Chargaff 
E)  Franklin

Question 5

Match the mutagen (mutation causing agent)with the statement or statements that apply to it.
a.Chargaff
b.UV light
c.tobacco smoke chemicals
-this mutagen causes kinks in the DNA molecule

Accepted Answer

The answer of Match the mutagen (mutation causing agent)with the...

Question 6

Each DNA strand has a backbone that consists of alternating

Accepted Answer

A)  amino acids. 
B)  nitrogen-containing bases. 
C)  hydrogen bonds. 
D)  sugar and phosphate molecules. 
E)  types of sugars. 
A)  amino acids. 
B)  nitrogen-containing bases. 
C)  hydrogen bonds. 
D)  sugar and phosphate molecules. 
E)  types of sugars.

Question 7

MATCHING
Answer the following questions by matching each term with the most appropriate description.
a.Chargaff
b.Franklin
c.Watson and Crick
d.Wilkins
-discovered that the phosphates of DNA were on the outside and bases on the inside

Accepted Answer

The answer of MATCHING
Answer the following questions by matching each...

Question 8

Which of the following statements about DNA replication is correct?

Accepted Answer

A)  DNA replication is error free 
B)  DNA replication occurs without the help of enzymes 
C)  In DNA replication, the parent strands are discarded 
D)  Each newly formed DNA molecule contains two new strands and two old strands. 
E)  Each newly formed DNA molecule contains one parent strand and three new strands. 
A)  DNA replication is error free 
B)  DNA replication occurs without the help of enzymes 
C)  In DNA replication, the parent strands are discarded 
D)  Each newly formed DNA molecule contains two new strands and two old strands. 
E)  Each newly formed DNA molecule contains one parent strand and three new strands.

Question 9

The two types of bonding found in a DNA molecule are

Accepted Answer

A)  ionic and covalent. 
B)  covalent and peptide. 
C)  ionic and hydrogen. 
D)  peptide and hydrogen. 
E)  covalent and hydrogen. 
A)  ionic and covalent. 
B)  covalent and peptide. 
C)  ionic and hydrogen. 
D)  peptide and hydrogen. 
E)  covalent and hydrogen.

Question 10

Somatic cell nuclear transplant

Accepted Answer

A)  is a process by which a defective nucleus is replaced with a healthy one. 
B)  is a process by which a nucleolus is removed and replaced with another nucleolus from any other healthy cell. 
C)  is a process by which the nucleus of an unfertilized egg is removed and replaced with the nucleus of an adult animal cell. 
D)  is a process by which adult cells are converted into sex cells. 
E)  is all of these. 
A)  is a process by which a defective nucleus is replaced with a healthy one. 
B)  is a process by which a nucleolus is removed and replaced with another nucleolus from any other healthy cell. 
C)  is a process by which the nucleus of an unfertilized egg is removed and replaced with the nucleus of an adult animal cell. 
D)  is a process by which adult cells are converted into sex cells. 
E)  is all of these.

Question 11

What is the basic problem with cloning adult animals?

Accepted Answer

A)  obtaining enough DNA 
B)  finding proper surrogates to carry the cloned embryos 
C)  reprogramming the DNA 
D)  obtaining DNA without mutations 
E)  all of these are problems with cloning adult animals 
A)  obtaining enough DNA 
B)  finding proper surrogates to carry the cloned embryos 
C)  reprogramming the DNA 
D)  obtaining DNA without mutations 
E)  all of these are problems with cloning adult animals

Question 12

Examine the figures above and answer the following question(s).
-In the figure above,step "a" represents

Accepted Answer

A)  the two parental DNA strands. 
B)  the two F1 generation DNA strands. 
C)  the two F2 generation DNA strands. 
D)  the DNA molecule to be transcribed. 
E)  the DNA molecule to be translated. 
A)  the two parental DNA strands. 
B)  the two F1 generation DNA strands. 
C)  the two F2 generation DNA strands. 
D)  the DNA molecule to be transcribed. 
E)  the DNA molecule to be translated.

Question 13

The image of an individual's complement of chromosomes arranged by size,length,shape,and centromere location is called a

Accepted Answer

A)  autotype. 
B)  genotype. 
C)  phenotype. 
D)  karyotype. 
E)  chromotype. 
A)  autotype. 
B)  genotype. 
C)  phenotype. 
D)  karyotype. 
E)  chromotype.

Question 14

Match the mutagen (mutation causing agent)with the statement or statements that apply to it.
a.Chargaff
b.UV light
c.tobacco smoke chemicals
-this mutagen has wavelengths of less than 320 nanometers

Accepted Answer

The answer of Match the mutagen (mutation causing agent)with the...

Question 15

Chemicals in tobacco smoke can cause

Accepted Answer

A)  DNA to break into pieces. 
B)  mispairing of bases. 
C)  kinking in the DNA molecule. 
D)  the formation of nucleotide dimers. 
E)  covalent bonding between adjacent adenine bases. 
A)  DNA to break into pieces. 
B)  mispairing of bases. 
C)  kinking in the DNA molecule. 
D)  the formation of nucleotide dimers. 
E)  covalent bonding between adjacent adenine bases.

Question 16

In the nucleotide sequence ACTGG,what does C stand for?

Accepted Answer

A)  cysteine 
B)  cytotic 
C)  cytosine 
D)  chargaff 
E)  cystomitosine 
A)  cysteine 
B)  cytotic 
C)  cytosine 
D)  chargaff 
E)  cystomitosine

Question 17

Match the mutagen (mutation causing agent)with the statement or statements that apply to it.
a.Chargaff
b.UV light
c.tobacco smoke chemicals
-breakdown products of this mutagen binds irreversibly to DNA

Accepted Answer

The answer of Match the mutagen (mutation causing agent)with the...

Question 18

MATCHING
Answer the following questions by matching each term with the most appropriate description.
a.Chargaff
b.Franklin
c.Watson and Crick
d.Wilkins
-discovered that the sequence of DNA differs in different organisms

Accepted Answer

The answer of MATCHING
Answer the following questions by matching each...

Question 19

Which of the following terms is NOT related to the other four?

Accepted Answer

A)  amino acids 
B)  nucleotides 
C)  deoxyribose sugars 
D)  phosphate groups 
E)  nitrogen bases 
A)  amino acids 
B)  nucleotides 
C)  deoxyribose sugars 
D)  phosphate groups 
E)  nitrogen bases

Question 20

DNA Strand
Consider the DNA strand below and answer the following question(s).
ACTGAGCATTAG
-In the DNA strand above,if the daughter cells contain the sequence GACTAGTAAACCG after replication,they would be

Accepted Answer

A)  recessives. 
B)  mutants. 
C)  dominants. 
D)  co-dominant. 
E)  twins. 
A)  recessives. 
B)  mutants. 
C)  dominants. 
D)  co-dominant. 
E)  twins.

Exam 6: DNA Structure and Function

How many types of nucleotides are found in DNA molecules?

The connection point of two sister chromatids is called the

Which of the following has occurred in cloned animals?

Which scientist(s)suggested for the first time that the proportion of adenine and guanine differs from one species to another?

Match the mutagen (mutation causing agent)with the statement or statements that apply to it. a.Chargaff b.UV light c.tobacco smoke chemicals -this mutagen causes kinks in the DNA molecule

Each DNA strand has a backbone that consists of alternating

MATCHING Answer the following questions by matching each term with the most appropriate description. a.Chargaff b.Franklin c.Watson and Crick d.Wilkins -discovered that the phosphates of DNA were on the outside and bases on the inside

Which of the following statements about DNA replication is correct?

The two types of bonding found in a DNA molecule are

Somatic cell nuclear transplant

What is the basic problem with cloning adult animals?

Examine the figures above and answer the following question(s). -In the figure above,step "a" represents

The image of an individual's complement of chromosomes arranged by size,length,shape,and centromere location is called a

Match the mutagen (mutation causing agent)with the statement or statements that apply to it. a.Chargaff b.UV light c.tobacco smoke chemicals -this mutagen has wavelengths of less than 320 nanometers

Chemicals in tobacco smoke can cause

In the nucleotide sequence ACTGG,what does C stand for?

Match the mutagen (mutation causing agent)with the statement or statements that apply to it. a.Chargaff b.UV light c.tobacco smoke chemicals -breakdown products of this mutagen binds irreversibly to DNA

MATCHING Answer the following questions by matching each term with the most appropriate description. a.Chargaff b.Franklin c.Watson and Crick d.Wilkins -discovered that the sequence of DNA differs in different organisms

Which of the following terms is NOT related to the other four?

DNA Strand Consider the DNA strand below and answer the following question(s). ACTGAGCATTAG -In the DNA strand above,if the daughter cells contain the sequence GACTAGTAAACCG after replication,they would be

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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