Question 1

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 2

DNA replication is a ____ process.

Accepted Answer

A)  noncomplementary 
B)  semiconservative 
C)  semisynthetic 
D)  mutational 
E)  denaturation 
A)  noncomplementary 
B)  semiconservative 
C)  semisynthetic 
D)  mutational 
E)  denaturation

Question 3

What is the basic problem with artificial cloning of adult cells?

Accepted Answer

A)  adult cells are already differentiated 
B)  adult cells do not divide 
C)  adult cells have too many mutations 
D)  adult cells only have a subset of the original embryonic DNA 
E)  more than one of these is a basic problem with the artificial cloning of adult cells 
A)  adult cells are already differentiated 
B)  adult cells do not divide 
C)  adult cells have too many mutations 
D)  adult cells only have a subset of the original embryonic DNA 
E)  more than one of these is a basic problem with the artificial cloning of adult cells

Question 4

Butterflies 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 5

Which of the following statements is NOT 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 birds, moths, and butterflies, autosomes determine the sex of the individual. 
D)  A characteristic carried by autosomes would be passed to offspring males and females. 
E)  More than one of these statements is incorrect. 
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 birds, moths, and butterflies, autosomes determine the sex of the individual. 
D)  A characteristic carried by autosomes would be passed to offspring males and females. 
E)  More than one of these statements is incorrect.

Question 6

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 7

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 8

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 9

What is the number of chromosomes found in an oak tree?

Accepted Answer

A)  2 
B)  4 
C)  8 
D)  12 
E)  24 
A)  2 
B)  4 
C)  8 
D)  12 
E)  24

Question 10

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 11

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 12

Rosalind Franklin's research contribution was essential in

Accepted Answer

A)  establishing the single-stranded nature of DNA. 
B)  establishing the principle of base pairing. 
C)  establishing most of the principal structural features of DNA. 
D)  sequencing DNA molecules. 
E)  determining the bonding energy of DNA molecules. 
A)  establishing the single-stranded nature of DNA. 
B)  establishing the principle of base pairing. 
C)  establishing most of the principal structural features of DNA. 
D)  sequencing DNA molecules. 
E)  determining the bonding energy of DNA molecules.

Question 13

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.

Exam 6: Dna Structure and Function

In DNA replication, a primer is

DNA replication is a ____ process.

What is the basic problem with artificial cloning of adult cells?

Butterflies 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?

Which of the following statements is NOT correct about autosomes?

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

A eukaryotic chromosome consists of

Chemicals in tobacco smoke can cause

What is the number of chromosomes found in an oak tree?

The two types of bonding found in a DNA molecule are

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

Rosalind Franklin's research contribution was essential in

Somatic cell nuclear transplant

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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