Question 1

Which of thfollowing animals has NEVER been cloned?

Accepted Answer

A) a pig 
B) a rabbit 
C) a wolf 
D) a dog 
E) all of these have been cloned 
A) a pig 
B) a rabbit 
C) a wolf 
D) a dog 
E) all of these have been cloned

Question 2

In somspecies, thsex of thfuturindividual is decideby environmental conditions annot by sex chromosomes.In which of thfollowing species is sex decideby temperature?

Accepted Answer

A) butterfly 
B) fruit fly 
C) turtle 
D) bird 
E) mouse 
A) butterfly 
B) fruit fly 
C) turtle 
D) bird 
E) mouse

Question 3

Dolly was produceusing

Accepted Answer

A) somatic cell nuclear transfer. 
B) somatic cell nuclear fusion. 
C) sex cell nuclear transfer. 
D) sex cell nuclear fusion. 
E) adult sheep cells. 
A) somatic cell nuclear transfer. 
B) somatic cell nuclear fusion. 
C) sex cell nuclear transfer. 
D) sex cell nuclear fusion. 
E) adult sheep cells.

Question 4

Reproductivcloning

Accepted Answer

A) is the laboratory process by which genetically identical individuals are produced. 
B) is the laboratory process by which cells are grown to become organs. 
C) is the laboratory process by which cells are grown to become tissues. 
D) is true of all of these. 
E) is true of none of these. 
A) is the laboratory process by which genetically identical individuals are produced. 
B) is the laboratory process by which cells are grown to become organs. 
C) is the laboratory process by which cells are grown to become tissues. 
D) is true of all of these. 
E) is true of none of these.

Question 5

Four of thfivanswers listebelow arrelateto DNA replication.Select thEXCEPTION.

Accepted Answer

A) nucleotides 
B) DNA polymerase 
C) semiconservative 
D) DNA ligase 
E) transpeptidase 
A) nucleotides 
B) DNA polymerase 
C) semiconservative 
D) DNA ligase 
E) transpeptidase

Question 6

In a given stranof DNA, nucleotides arconnectetogether through

Accepted Answer

A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) peptide bonds. 
E) all of these. 
A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) peptide bonds. 
E) all of these.

Question 7

Which of thfollowing nitrogenous bases is NOT founin molecules of DNA?

Accepted Answer

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

Question 8

In step "b," thtwo strands havseparatebecause

Accepted Answer

A) the sugar-phosphate linkages broke. 
B) the hydrogen bonds between bases were broken. 
C) the polymerases stopped functioning. 
D) the bases repelled each other. 
E) water changed the bases into their subunits. 
A) the sugar-phosphate linkages broke. 
B) the hydrogen bonds between bases were broken. 
C) the polymerases stopped functioning. 
D) the bases repelled each other. 
E) water changed the bases into their subunits.

Question 9

Who among thfollowing scientists was NOT involvein resolving thstructurof DNA?

Accepted Answer

A) Avery 
B) Watson 
C) Wilkins 
D) Franklin 
E) Chargaff 
A) Avery 
B) Watson 
C) Wilkins 
D) Franklin 
E) Chargaff

Question 10

Thimagof an individual's complement of chromosomes arrangeby size, length, shape, ancentromerlocation is called

Accepted Answer

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

Question 11

Which scientist(s) discoverethbasis for thbase-pair rule, which statethat thamounts of adeninin all DNA arthsame, as arthamounts of cytosinanguanine?

Accepted Answer

A) Avery 
B) Griffith 
C) Chargaff 
D) Hershey and Chase 
E) Pauling 
A) Avery 
B) Griffith 
C) Chargaff 
D) Hershey and Chase 
E) Pauling

Question 12

Four of thfivanswers listebelow arrelateto genetic information.Select thEXCEPTION.

Accepted Answer

A) sister chromatids 
B) centromere 
C) chromosome 
D) glycolysis 
E) replication 
A) sister chromatids 
B) centromere 
C) chromosome 
D) glycolysis 
E) replication

Question 13

Which of thfollowing statements is correct about autosomes?

Accepted Answer

A) Autosomes are chromosomes that are found in both males and females. 
B) In a human cell, all chromosomes are autosomes, except chromosomes "X" and "Y." 
C) In a diploid organism, the two autosomes of a pair have the same length. 
D) A characteristic carried by autosomes would be passed to offspring males and females. 
E) All of these statements are correct. 
A) Autosomes are chromosomes that are found in both males and females. 
B) In a human cell, all chromosomes are autosomes, except chromosomes "X" and "Y." 
C) In a diploid organism, the two autosomes of a pair have the same length. 
D) A characteristic carried by autosomes would be passed to offspring males and females. 
E) All of these statements are correct.

Question 14

Threplication illustrateheris termed

Accepted Answer

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

Question 15

A nucleotidis madup of

Accepted Answer

A) a pentose sugar, three phosphate groups, and a nitrogenous acid. 
B) a pentose sugar, three phosphate groups, and a nitrogenous base. 
C) three pentose sugars, a phosphate group, and a nitrogenous acid. 
D) three pentose sugars, a phosphate group, and a nitrogenous base. 
E) a pentose sugar, a phosphate group, and three nitrogenous acids. 
A) a pentose sugar, three phosphate groups, and a nitrogenous acid. 
B) a pentose sugar, three phosphate groups, and a nitrogenous base. 
C) three pentose sugars, a phosphate group, and a nitrogenous acid. 
D) three pentose sugars, a phosphate group, and a nitrogenous base. 
E) a pentose sugar, a phosphate group, and three nitrogenous acids.

Question 16

Which of thfollowing statements is CORRECT about mutation?

Accepted Answer

A) A mutation is a change in the structure of DNA. 
B) Mutations occurring during the replication process are always lethal. 
C) Mutations occurring during the replication process are always silent. 
D) Mutations occurring during the replication process always affect the tertiary structure of enzymes. 
E) A mutation is a permanent change in the sequence of DNA. 
A) A mutation is a change in the structure of DNA. 
B) Mutations occurring during the replication process are always lethal. 
C) Mutations occurring during the replication process are always silent. 
D) Mutations occurring during the replication process always affect the tertiary structure of enzymes. 
E) A mutation is a permanent change in the sequence of DNA.

Question 17

RosalinFranklin usewhich techniques to determinmany of thphysical characteristics of DNA?

Accepted Answer

A) transformation 
B) transmission electron microscopy 
C) density-gradient centrifugation 
D) X-ray crystallography 
E) all of these 
A) transformation 
B) transmission electron microscopy 
C) density-gradient centrifugation 
D) X-ray crystallography 
E) all of these

Question 18

FroX-ray diffraction data, which of thfollowing was determineabout DNA?

Accepted Answer

A) The molecules had two chains. 
B) Phosphate groups formed the backbone of the helix. 
C) Nitrogenous bases were arranged on the inside of the double helix structure. 
D) The shape of the molecule could be a double helix. 
E) All of these were determined. 
A) The molecules had two chains. 
B) Phosphate groups formed the backbone of the helix. 
C) Nitrogenous bases were arranged on the inside of the double helix structure. 
D) The shape of the molecule could be a double helix. 
E) All of these were determined.

Question 19

Which of thfollowing essential molecules is systematically passeto offspring during thprocess of reproduction?

Accepted Answer

A) glucose 
B) deoxyribonucleic acid 
C) ribonucleic acid 
D) lipids 
E) amino acid 
A) glucose 
B) deoxyribonucleic acid 
C) ribonucleic acid 
D) lipids 
E) amino acid

Question 20

A nucleosomis

Accepted Answer

A) a beadlike structure made up of a length of polyacryl and histone-like proteins. 
B) a beadlike structure made up of a length of polysaccharides and histone-like proteins. 
C) a beadlike structure made up of a length of DNA and histone proteins. 
D) a beadlike structure made up of a length of RNA and histone proteins. 
E) a beadlike structure made up of a length of nucleotides and histone proteins. 
A) a beadlike structure made up of a length of polyacryl and histone-like proteins. 
B) a beadlike structure made up of a length of polysaccharides and histone-like proteins. 
C) a beadlike structure made up of a length of DNA and histone proteins. 
D) a beadlike structure made up of a length of RNA and histone proteins. 
E) a beadlike structure made up of a length of nucleotides and histone proteins.

Exam 6: Dna Structure and Function

Which of thfollowing animals has NEVER been cloned?

In somspecies, thsex of thfuturindividual is decideby environmental conditions annot by sex chromosomes.In which of thfollowing species is sex decideby temperature?

Dolly was produceusing

Reproductivcloning

Four of thfivanswers listebelow arrelateto DNA replication.Select thEXCEPTION.

In a given stranof DNA, nucleotides arconnectetogether through

Which of thfollowing nitrogenous bases is NOT founin molecules of DNA?

In step "b," thtwo strands havseparatebecause

Who among thfollowing scientists was NOT involvein resolving thstructurof DNA?

Thimagof an individual's complement of chromosomes arrangeby size, length, shape, ancentromerlocation is called

Which scientist(s) discoverethbasis for thbase-pair rule, which statethat thamounts of adeninin all DNA arthsame, as arthamounts of cytosinanguanine?

Four of thfivanswers listebelow arrelateto genetic information.Select thEXCEPTION.

Which of thfollowing statements is correct about autosomes?

Threplication illustrateheris termed

A nucleotidis madup of

Which of thfollowing statements is CORRECT about mutation?

RosalinFranklin usewhich techniques to determinmany of thphysical characteristics of DNA?

FroX-ray diffraction data, which of thfollowing was determineabout DNA?

Which of thfollowing essential molecules is systematically passeto offspring during thprocess of reproduction?

A nucleosomis

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 Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

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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