Question 1

Match between columns
                        Premises: Showed that DNA replication in Escherichia coli is semiconservative

Accepted Answer

The Answer of Watson and Crick  and Meselson and is...

Question 2

Prior to the 1940s, many biologists believed ____, which is composed of 20 different types of ____, was most likely the genetic material. ​

Accepted Answer

A) protein; amino acids ​ 
B) DNA; amino acids 
C) protein; nucleotides 
D) DNA; nucleotides 
E) RNA; nucleotides 
A) protein; amino acids ​ 
B) DNA; amino acids 
C) protein; nucleotides 
D) DNA; nucleotides 
E) RNA; nucleotides A

Question 3

Telomeres are found ____. ​

Accepted Answer

A) in the middle of chromosomes ​ 
B) at replication origins 
C) where DNA strands are joined together 
D) within genes 
E) at the ends of chromosomes 
A) in the middle of chromosomes ​ 
B) at replication origins 
C) where DNA strands are joined together 
D) within genes 
E) at the ends of chromosomes E

Question 4

Match between columns
                        Premises: Complex of DNA replication enzymes

Accepted Answer

The Answer of origin of replication  and replication bubble is...

Question 5

Chromatin consists of ____. ​

Accepted Answer

A) DNA only ​ 
B) DNA, RNA, and protein 
C) DNA and RNA 
D) RNA and protein 
E) DNA and protein 
A) DNA only ​ 
B) DNA, RNA, and protein 
C) DNA and RNA 
D) RNA and protein 
E) DNA and protein

Question 6

Match between columns
                        Premises: Unwinds DNA helix

Accepted Answer

The Answer of DNA polymerase I and helicase and DNA is...

Question 7

Which nucleotide sequence is complementary to the DNA sequence 5'-GACGTT-3'? ​

Accepted Answer

A) 5'-TCATGG-3' ​ 
B) 3'-TCATGG-5' 
C) 3'-CTGCAA-5' 
D) 3'-AGTACC-5' 
E) 5'-TTGCAG-3' 
A) 5'-TCATGG-3' ​ 
B) 3'-TCATGG-5' 
C) 3'-CTGCAA-5' 
D) 3'-AGTACC-5' 
E) 5'-TTGCAG-3'

Question 8

Match between columns
                        Premises: The strand synthesized in the opposite direction to the movement of the replication fork

Accepted Answer

The Answer of replisome and leading strand and replication fork is...

Question 9

The polynucleotide chain of DNA has polarity: the 5 ¢ end has a bound ____, while the 3 ¢ end has a bound ____. ​

Accepted Answer

A) deoxyribose sugar, ribose sugar ​ 
B) adenine, thymine 
C) cytosine, guanine 
D) hydroxyl group, phosphate group 
E) phosphate group, hydroxyl group 
A) deoxyribose sugar, ribose sugar ​ 
B) adenine, thymine 
C) cytosine, guanine 
D) hydroxyl group, phosphate group 
E) phosphate group, hydroxyl group

Question 10

The active site of DNA polymerase is similar in ____. ​

Accepted Answer

A) archaea and bacteria only ​ 
B) archaea, bacteria, and eukaryotes 
C) archaea and eukaryotes only 
D) none of these groups 
E) bacteria and eukaryotes only 
A) archaea and bacteria only ​ 
B) archaea, bacteria, and eukaryotes 
C) archaea and eukaryotes only 
D) none of these groups 
E) bacteria and eukaryotes only

Question 11

Figure 14.1
The figure above depicts the result of an experiment to determine how DNA replication occurs. Based on these results, it appears that after replication, each new DNA molecule contains ____. ​

Accepted Answer

A) either entirely old DNA strands or entirely new DNA strands 
B) one old DNA strand and one new DNA strand 
C) entirely new DNA 
D) some DNA helix regions from old DNA alternating with some DNA regions from new DNA 
E) two strands that are each a mix of old and new DNA 
A) either entirely old DNA strands or entirely new DNA strands 
B) one old DNA strand and one new DNA strand 
C) entirely new DNA 
D) some DNA helix regions from old DNA alternating with some DNA regions from new DNA 
E) two strands that are each a mix of old and new DNA

Question 12

Suppose you take a cell from an adult cow and attempt to use it to produce a clone of that cow. If telomerase is not functioning in that cell or in any of the cell's progeny, what would you expect to happen to your clone? ​

Accepted Answer

A) The clone will be unable to grow. ​ 
B) When the clone matures, it will most likely have cancer. 
C) The clone's cells may divide, but after a certain number of generations, cell division will stop. 
D) The lack of telomerase should have no effect on the clone. 
E) When the clone matures, it will most likely be sterile. 
A) The clone will be unable to grow. ​ 
B) When the clone matures, it will most likely have cancer. 
C) The clone's cells may divide, but after a certain number of generations, cell division will stop. 
D) The lack of telomerase should have no effect on the clone. 
E) When the clone matures, it will most likely be sterile.

Question 13

Without proofreading, the rate of DNA replication errors in bacteria and eukaryotes is as high as one for every ____ nucleotides assembled. ​

Accepted Answer

A) 10 to 100 
B) 100,000 to 1,000,000 
C) 1,000 to 10,000 
D) 10,000,000 to 100,000,000 
E) 100,000,000 to 1,000,000,000 
A) 10 to 100 
B) 100,000 to 1,000,000 
C) 1,000 to 10,000 
D) 10,000,000 to 100,000,000 
E) 100,000,000 to 1,000,000,000

Question 14

Match between columns
                        Premises: Showed that DNA is the transforming principle responsible for transforming nonvirulent Streptococcus pneumoniae into a virulent strain

Accepted Answer

The Answer of Hershey and Chase and Meselson and Stahl is...

Question 15

During DNA replication, nucleosomes must ____ ahead of the replication fork and ____ after DNA is replicated.

Accepted Answer

A) disassemble; reassemble 
B) reassemble; disassemble 
C) unwind DNA; disassociate 
D) synthesize primers; proofread 
E) cut DNA; ligate DNA 
A) disassemble; reassemble 
B) reassemble; disassemble 
C) unwind DNA; disassociate 
D) synthesize primers; proofread 
E) cut DNA; ligate DNA

Question 16

Match between columns
                        Premises: Worked out the double helix model for DNA structure

Accepted Answer

The Answer of Meselson and Stahl and Watson and Crick is...

Question 17

In DNA, the purines are ____.

Accepted Answer

A) thymine and cytosine ​ 
B) adenine and cytosine 
C) adenine and guanine 
D) thymine and adenine 
E) guanine and thymine 
A) thymine and cytosine ​ 
B) adenine and cytosine 
C) adenine and guanine 
D) thymine and adenine 
E) guanine and thymine

Question 18

Match between columns
                        Premises:  DNA polymerase III

Accepted Answer

The Answer of B and C and E and D is...

Question 19

Match between columns
                        Premises: topoisomerase

Accepted Answer

The Answer of C and E and D and A is...

Question 20

James Watson, Francis Crick, Rosalind Franklin, and Maurice Wilkins are recognized for their contributions to the discovery of the ____. ​

Accepted Answer

A) presence of nuclein (DN
A) in white blood cells ​ 
B) role of DNA in cells 
C) chemical components of DNA 
D) three-dimensional structure of DNA 
E) location of DNA in cells 
A) presence of nuclein (DN
A) in white blood cells ​ 
B) role of DNA in cells 
C) chemical components of DNA 
D) three-dimensional structure of DNA 
E) location of DNA in cells

Exam 14: DNA Structure, Replication, and Organization

Prior to the 1940s, many biologists believed ____, which is composed of 20 different types of ____, was most likely the genetic material. ​

Telomeres are found ____. ​

Chromatin consists of ____. ​

Which nucleotide sequence is complementary to the DNA sequence 5'-GACGTT-3'? ​

The polynucleotide chain of DNA has polarity: the 5 ¢ end has a bound ____, while the 3 ¢ end has a bound ____. ​

The active site of DNA polymerase is similar in ____. ​

Figure 14.1 The figure above depicts the result of an experiment to determine how DNA replication occurs. Based on these results, it appears that after replication, each new DNA molecule contains ____. ​

Suppose you take a cell from an adult cow and attempt to use it to produce a clone of that cow. If telomerase is not functioning in that cell or in any of the cell's progeny, what would you expect to happen to your clone? ​

Without proofreading, the rate of DNA replication errors in bacteria and eukaryotes is as high as one for every ____ nucleotides assembled. ​

During DNA replication, nucleosomes must ____ ahead of the replication fork and ____ after DNA is replicated.

In DNA, the purines are ____.

James Watson, Francis Crick, Rosalind Franklin, and Maurice Wilkins are recognized for their contributions to the discovery of the ____. ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

Prior to the 1940s, many biologists believed , which is composed of 20 different types of , was most likely the genetic material.

Telomeres are found ____.

Chromatin consists of ____.

Which nucleotide sequence is complementary to the DNA sequence 5'-GACGTT-3'?

The polynucleotide chain of DNA has polarity: the 5 ¢ end has a bound , while the 3 ¢ end has a bound .

The active site of DNA polymerase is similar in ____.

Figure 14.1 The figure above depicts the result of an experiment to determine how DNA replication occurs. Based on these results, it appears that after replication, each new DNA molecule contains ____.

Suppose you take a cell from an adult cow and attempt to use it to produce a clone of that cow. If telomerase is not functioning in that cell or in any of the cell's progeny, what would you expect to happen to your clone?

Without proofreading, the rate of DNA replication errors in bacteria and eukaryotes is as high as one for every ____ nucleotides assembled.

During DNA replication, nucleosomes must ahead of the replication fork and after DNA is replicated.

James Watson, Francis Crick, Rosalind Franklin, and Maurice Wilkins are recognized for their contributions to the discovery of the ____.