Question 1

In prokaryote DNA replication,nuclotide assembly is

Accepted Answer

A)  faster than eukaryotes. 
B)  slower than eukaryotes. 
C)  about the same speed as eukaryotes. 
D)  sometimes slower; sometimes faster than eukaryotes. 
E)  none of these. 
A)  faster than eukaryotes. 
B)  slower than eukaryotes. 
C)  about the same speed as eukaryotes. 
D)  sometimes slower; sometimes faster than eukaryotes. 
E)  none of these.

Question 2

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 female butterfly?

Accepted Answer

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

Question 3

DNA Strand
Consider the DNA strand below and answer the following question(s).
ACTGAGCATTAG
-In the DNA strand above,which of the following would be the complementary sequence?

Accepted Answer

A)  ACTGAGCATTAG 
B)  TGACTCGTAATC 
C)  GTCAGATGCCGA 
D)  CAGTCTACGGCT 
E)  CTCAGACGAAGA 
A)  ACTGAGCATTAG 
B)  TGACTCGTAATC 
C)  GTCAGATGCCGA 
D)  CAGTCTACGGCT 
E)  CTCAGACGAAGA

Question 4

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 the mispairing of bases in DNA replication

Accepted Answer

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

Question 5

Four of the five answers listed below are related to DNA replication.Select the EXCEPTION.

Accepted Answer

A)  base pairing 
B)  hydrogen bonding 
C)  semiconservative 
D)  DNA ligase 
E)  glycolysis 
A)  base pairing 
B)  hydrogen bonding 
C)  semiconservative 
D)  DNA ligase 
E)  glycolysis

Question 6

Examine the figures above and answer the following question(s).
-In the figure above,the two DNA molecules produced when step "d" is completed will be

Accepted Answer

A)  identical to the parent DNA but not to each other. 
B)  complementary to each other but not to the parent DNA. 
C)  different from each other and the parent DNA. 
D)  identical to each other and complementary to the parent DNA. 
E)  complementary to each other and complementary the parent DNA. 
A)  identical to the parent DNA but not to each other. 
B)  complementary to each other but not to the parent DNA. 
C)  different from each other and the parent DNA. 
D)  identical to each other and complementary to the parent DNA. 
E)  complementary to each other and complementary the parent DNA.

Question 7

In DNA replication,what type of molecule is a primer?

Accepted Answer

A)  nucleic acid 
B)  lipid 
C)  protein 
D)  carbohydrate 
E)  inorganic 
A)  nucleic acid 
B)  lipid 
C)  protein 
D)  carbohydrate 
E)  inorganic

Question 8

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 breaks DNA into pieces

Accepted Answer

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

Question 9

In DNA replication,a primer is

Accepted Answer

A)  what the original DNA strands are called. 
B)  an enzyme that breaks the hydrogen bonds between base pairs. 
C)  a short piece of nucleic acid that 'jump starts' the replication process. 
D)  a molecule that provides the energy for nucleotide attachments. 
E)  a regulatory protein that turns on the gene that starts DNA replication. 
A)  what the original DNA strands are called. 
B)  an enzyme that breaks the hydrogen bonds between base pairs. 
C)  a short piece of nucleic acid that 'jump starts' the replication process. 
D)  a molecule that provides the energy for nucleotide attachments. 
E)  a regulatory protein that turns on the gene that starts DNA replication.

Question 10

In prokaryote DNA replication,nucleotides are assembled at which speed?

Accepted Answer

A)  1, 000 per second 
B)  100 per second 
C)  50 per second 
D)  25 per second 
E)  one billion per minute 
A)  1, 000 per second 
B)  100 per second 
C)  50 per second 
D)  25 per second 
E)  one billion per minute

Question 11

The replication illustrated here is termed

Accepted Answer

A)  dominant. 
B)  recessive 
C)  semiconservative. 
D)  conservative. 
E)  hemiconservative. 
A)  dominant. 
B)  recessive 
C)  semiconservative. 
D)  conservative. 
E)  hemiconservative.

Question 12

The structure of a DNA molecule is analogous to a

Accepted Answer

A)  paper clip. 
B)  ladder. 
C)  fork. 
D)  rope. 
E)  coiled spring. 
A)  paper clip. 
B)  ladder. 
C)  fork. 
D)  rope. 
E)  coiled spring.

Question 13

What does ionizing radiation cause in DNA?

Accepted Answer

A)  faster replication 
B)  the formation of nucleotide dimers 
C)  kinks in the DNA molecule 
D)  breaks in the DNA molecule 
E)  base pair mismatching 
A)  faster replication 
B)  the formation of nucleotide dimers 
C)  kinks in the DNA molecule 
D)  breaks in the DNA molecule 
E)  base pair mismatching

Question 14

In a given strand of DNA,complementary bases are connected to each other by

Accepted Answer

A)  ionic bonds. 
B)  polar covalent bonds. 
C)  hydrogen bonds. 
D)  peptide bonds. 
E)  nonpolar covalent bonds. 
A)  ionic bonds. 
B)  polar covalent bonds. 
C)  hydrogen bonds. 
D)  peptide bonds. 
E)  nonpolar covalent bonds.

Question 15

What is the success rate for producing live births of cloned animals?

Accepted Answer

A)  1-2 % 
B)  3-5% 
C)  10-15% 
D)  40-50% 
E)  100% 
A)  1-2 % 
B)  3-5% 
C)  10-15% 
D)  40-50% 
E)  100%

Question 16

Four of the five items listed below are related to genetic information.Select the EXCEPTION.

Accepted Answer

A)  chromatids 
B)  centromere 
C)  chromosome 
D)  phosphorylation 
E)  polymerase 
A)  chromatids 
B)  centromere 
C)  chromosome 
D)  phosphorylation 
E)  polymerase

Question 17

Which of the following statements is CORRECT about mutation?

Accepted Answer

A)  Mutations caused by environmental factors are always repaired. 
B)  Mutations occurring during the replication process are always harmful. 
C)  Mutations only occur during DNA replication. 
D)  Mutations occurring during the replication process only affect the secondary structure of proteins. 
E)  Mutations are permanent changes in the base sequence of DNA. 
A)  Mutations caused by environmental factors are always repaired. 
B)  Mutations occurring during the replication process are always harmful. 
C)  Mutations only occur during DNA replication. 
D)  Mutations occurring during the replication process only affect the secondary structure of proteins. 
E)  Mutations are permanent changes in the base sequence of DNA.

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
-built the first precise model of DNA that implied its method of replication

Accepted Answer

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

Question 19

A eukaryotic chromosome consists of

Accepted Answer

A)  DNA and lipids. 
B)  RNA and proteins. 
C)  DNA and proteins. 
D)  DNA and carbohydrates. 
E)  just DNA. 
A)  DNA and lipids. 
B)  RNA and proteins. 
C)  DNA and proteins. 
D)  DNA and carbohydrates. 
E)  just DNA.

Question 20

Four of the five answers listed below are related to the structure of DNA and/or its composition.Select the EXCEPTION.

Accepted Answer

A)  protease 
B)  double helix 
C)  polymerase 
D)  phosphate 
E)  deoxyribose 
A)  protease 
B)  double helix 
C)  polymerase 
D)  phosphate 
E)  deoxyribose

Exam 6: DNA Structure and Function

In prokaryote DNA replication,nuclotide assembly is

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 female butterfly?

DNA Strand Consider the DNA strand below and answer the following question(s). ACTGAGCATTAG -In the DNA strand above,which of the following would be the complementary sequence?

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 the mispairing of bases in DNA replication

Four of the five answers listed below are related to DNA replication.Select the EXCEPTION.

Examine the figures above and answer the following question(s). -In the figure above,the two DNA molecules produced when step "d" is completed will be

In DNA replication,what type of molecule is a primer?

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 breaks DNA into pieces

In DNA replication,a primer is

In prokaryote DNA replication,nucleotides are assembled at which speed?

The replication illustrated here is termed

The structure of a DNA molecule is analogous to a

What does ionizing radiation cause in DNA?

In a given strand of DNA,complementary bases are connected to each other by

What is the success rate for producing live births of cloned animals?

Four of the five items listed below are related to genetic information.Select the EXCEPTION.

Which of the following statements is CORRECT about mutation?

MATCHING Answer the following questions by matching each term with the most appropriate description. a.Chargaff b.Franklin c.Watson and Crick d.Wilkins -built the first precise model of DNA that implied its method of replication

A eukaryotic chromosome consists of

Four of the five answers listed below are related to the structure of DNA and/or its composition.Select the EXCEPTION.

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