Question 1

Answer the following questions by matching each term with the most appropriate description.
-Technology that produces genetically identical animals.

Accepted Answer

A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer 
A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer

Question 2

Answer the following questions by matching each term with the most appropriate description.
-two DNA molecules that comprise a chromosome after DNA replication

Accepted Answer

A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids 
A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids

Question 3

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 4

When two adjacent bases in the same strand of DNA dimerize (form a covalent bond between them),what happens to the DNA?

Accepted Answer

A) the original strand of DNA now contains a new DNA sequence 
B) the original strand of DNA is kinked, which prevents DNA polymerase from working properly 
C) the original strand of DNA is methylated, which causes the bases to mismatch 
D) the original strand of DNA is prevented from opening during replication, so this section of DNA will not be replicated 
E) the original strand of DNA is unaffected, so no additional mutations arise 
A) the original strand of DNA now contains a new DNA sequence 
B) the original strand of DNA is kinked, which prevents DNA polymerase from working properly 
C) the original strand of DNA is methylated, which causes the bases to mismatch 
D) the original strand of DNA is prevented from opening during replication, so this section of DNA will not be replicated 
E) the original strand of DNA is unaffected, so no additional mutations arise

Question 5

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once.
-this researcher's work suggested that DNA was double helix

Accepted Answer

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

Question 6

DNA varies from species to species in _____.

Accepted Answer

A) how many adenine bases bind with thymine rather than with cytosine 
B) whether DNA is a double or a single helix 
C) the variation in the backbone structure 
D) how many different bases it contains 
E) the sequence of its base pairs 
A) how many adenine bases bind with thymine rather than with cytosine 
B) whether DNA is a double or a single helix 
C) the variation in the backbone structure 
D) how many different bases it contains 
E) the sequence of its base pairs

Question 7

Using the diagram, indicate the molecule that functions at each step in DNA replication  
-DNA ligase

Accepted Answer

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

Question 8

What does DNA ligase do?

Accepted Answer

A) breaks the hydrogen bonds between base pairs 
B) seals gaps between assembled nucleotides 
C) provides energy for nucleotide assembly 
D) acts as an initiator to start the replication process 
E) seals the ends of the replicated DNA molecule 
A) breaks the hydrogen bonds between base pairs 
B) seals gaps between assembled nucleotides 
C) provides energy for nucleotide assembly 
D) acts as an initiator to start the replication process 
E) seals the ends of the replicated DNA molecule

Question 9

In the Hershey-Chase experiments,the radioactive tracers 32P and 35S were used to track DNA and protein,respectively,because _____.

Accepted Answer

A) bacterial DNA contains sulfur and viral DNA contains phosphorus 
B) viral DNA contains sulfur and bacterial DNA contains phosphorus 
C) only DNA contains phosphorus and only protein contains sulfur 
D) DNA has more sulfur than protein, and protein has more phosphorus than DNA 
E) protein has more sulfur than DNA, and DNA has more phosphorus than protein 
A) bacterial DNA contains sulfur and viral DNA contains phosphorus 
B) viral DNA contains sulfur and bacterial DNA contains phosphorus 
C) only DNA contains phosphorus and only protein contains sulfur 
D) DNA has more sulfur than protein, and protein has more phosphorus than DNA 
E) protein has more sulfur than DNA, and DNA has more phosphorus than protein

Question 10

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once.
-built the first precise model of DNA that implied its method of replication

Accepted Answer

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

Question 11

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 serves as an attachment point for DNA polymerase 
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 serves as an attachment point for DNA polymerase 
D) a molecule that provides the energy for nucleotide attachments 
E) a regulatory protein that turns on the gene that starts DNA replication

Question 12

Answer the following questions by matching each term with the most appropriate description.
-Process by which the DNA of an adult donor's body cell is transferred into an unfertilized egg.

Accepted Answer

A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer 
A) Differentiation 
B) Hybridization 
C) Replication 
D) Reproductive cloning 
E) Somatic cell nuclear transfer

Question 13

Trakr,the Ground Zero hero dog,was cloned in the hope that _____.

Accepted Answer

A) his clones would be adopted as pets 
B) his clones would be better search and rescue dogs as he was 
C) he would be the world's first cloned mammal 
D) his clones would be just as good search and rescue dogs as he was 
E) he would be brought back to life 
A) his clones would be adopted as pets 
B) his clones would be better search and rescue dogs as he was 
C) he would be the world's first cloned mammal 
D) his clones would be just as good search and rescue dogs as he was 
E) he would be brought back to life

Question 14

The addition of methyl groups to DNA by chemicals in tobacco can cause DNA to _____.

Accepted Answer

A) replicate 
B) polymerize 
C) hybridize 
D) mutate 
E) fragment 
A) replicate 
B) polymerize 
C) hybridize 
D) mutate 
E) fragment

Question 15

Using the diagram, indicate the molecule that functions at each step in DNA replication  
-DNA primer

Accepted Answer

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

Question 16

Rosalind Franklin died from ovarian cancer at the age of 37.Her cancer was probably caused by DNA mutations that arose from _____.

Accepted Answer

A) extensive exposure to long wavelength radiation 
B) contaminated DNA samples 
C) chemical exposure 
D) unrepaired DNA replication errors 
E) extensive exposure to x-rays 
A) extensive exposure to long wavelength radiation 
B) contaminated DNA samples 
C) chemical exposure 
D) unrepaired DNA replication errors 
E) extensive exposure to x-rays

Question 17

One of Chargaff's rules is _____.

Accepted Answer

A) different organisms have different proportions of adenine and guanine 
B) the DNA molecule is a double helix 
C) the two strands in a DNA molecule run in opposite directions 
D) the backbone of a DNA molecule is on the outside 
E) the backbone of the DNA is comprised of alternating sugars and phosphates 
A) different organisms have different proportions of adenine and guanine 
B) the DNA molecule is a double helix 
C) the two strands in a DNA molecule run in opposite directions 
D) the backbone of a DNA molecule is on the outside 
E) the backbone of the DNA is comprised of alternating sugars and phosphates

Question 18

If a DNA molecule was a spiral staircase,what would the steps of the staircase be?

Accepted Answer

A) covalent bonds 
B) deoxyribose 
C) base pairs 
D) hydrogen bonds 
E) phosphate 
A) covalent bonds 
B) deoxyribose 
C) base pairs 
D) hydrogen bonds 
E) phosphate

Question 19

Answer the following questions by matching each term with the most appropriate description.
-highly compacted structure comprised of DNA and proteins

Accepted Answer

A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids 
A) Autosome 
B) Centromere 
C) Chromosome 
D) Chromosome number 
E) Diploid
F)Sex chromosomes
G)Sister chromatids

Question 20

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

Answer the following questions by matching each term with the most appropriate description. -Technology that produces genetically identical animals.

Answer the following questions by matching each term with the most appropriate description. -two DNA molecules that comprise a chromosome after DNA replication

The two types of bonding found in a DNA molecule are _____.

When two adjacent bases in the same strand of DNA dimerize (form a covalent bond between them),what happens to the DNA?

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -this researcher's work suggested that DNA was double helix

DNA varies from species to species in _____.

Using the diagram, indicate the molecule that functions at each step in DNA replication -DNA ligase

What does DNA ligase do?

In the Hershey-Chase experiments,the radioactive tracers 32P and 35S were used to track DNA and protein,respectively,because _____.

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -built the first precise model of DNA that implied its method of replication

In DNA replication,a primer is _____.

Answer the following questions by matching each term with the most appropriate description. -Process by which the DNA of an adult donor's body cell is transferred into an unfertilized egg.

Trakr,the Ground Zero hero dog,was cloned in the hope that _____.

The addition of methyl groups to DNA by chemicals in tobacco can cause DNA to _____.

Using the diagram, indicate the molecule that functions at each step in DNA replication -DNA primer

Rosalind Franklin died from ovarian cancer at the age of 37.Her cancer was probably caused by DNA mutations that arose from _____.

One of Chargaff's rules is _____.

If a DNA molecule was a spiral staircase,what would the steps of the staircase be?

Answer the following questions by matching each term with the most appropriate description. -highly compacted structure comprised of DNA and proteins

The structure of a DNA molecule is analogous to a _____.

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

Filters

Exam 6: DNA Structure And Function

Answer the following questions by matching each term with the most appropriate description. -Technology that produces genetically identical animals.

Answer the following questions by matching each term with the most appropriate description. -two DNA molecules that comprise a chromosome after DNA replication

The two types of bonding found in a DNA molecule are _____.

When two adjacent bases in the same strand of DNA dimerize (form a covalent bond between them),what happens to the DNA?

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -this researcher's work suggested that DNA was double helix

DNA varies from species to species in _____.

Using the diagram, indicate the molecule that functions at each step in DNA replication -DNA ligase

What does DNA ligase do?

In the Hershey-Chase experiments,the radioactive tracers 32P and 35S were used to track DNA and protein,respectively,because _____.

Answer the following questions by matching each term with the most appropriate description.Some choices may be used more than once. -built the first precise model of DNA that implied its method of replication

In DNA replication,a primer is _____.

Answer the following questions by matching each term with the most appropriate description. -Process by which the DNA of an adult donor's body cell is transferred into an unfertilized egg.

Trakr,the Ground Zero hero dog,was cloned in the hope that _____.

The addition of methyl groups to DNA by chemicals in tobacco can cause DNA to _____.

Using the diagram, indicate the molecule that functions at each step in DNA replication -DNA primer

Rosalind Franklin died from ovarian cancer at the age of 37.Her cancer was probably caused by DNA mutations that arose from _____.

One of Chargaff's rules is _____.

If a DNA molecule was a spiral staircase,what would the steps of the staircase be?

Answer the following questions by matching each term with the most appropriate description. -highly compacted structure comprised of DNA and proteins

The structure of a DNA molecule is analogous to a _____.

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

Filters