Question 1

What type of DNA sequence in eukaryotes is most like that found in bacteria and viruses?

Accepted Answer

The nonrepeated sequence DNA i

Question 2

A single gene can encode a number of related proteins as a result of a process called _______.

Accepted Answer

A) alternative splicing 
B) gene expression 
C) polymorphism 
D) alternative addition 
E) alternative expression 
A) alternative splicing 
B) gene expression 
C) polymorphism 
D) alternative addition 
E) alternative expression

Question 3

The Law of Independent Assortment states that ____________.

Accepted Answer

A) segregation of an allelic pair for one trait has no effect on segregation of alleles for another trait 
B) an organism's two alleles for a gene separate from one another during gamete formation 
C) segregation of an allelic pair for one trait has a great effect on segregation of alleles for another trait 
D) an organism's three alleles for a gene separate from one another during gamete formation 
E) gametes are diploid and highly variable 
A) segregation of an allelic pair for one trait has no effect on segregation of alleles for another trait 
B) an organism's two alleles for a gene separate from one another during gamete formation 
C) segregation of an allelic pair for one trait has a great effect on segregation of alleles for another trait 
D) an organism's three alleles for a gene separate from one another during gamete formation 
E) gametes are diploid and highly variable

Question 4

Which type of DNA sequence in the genome is interspersed and probably arose by transposition of mobile genetic elements?

Accepted Answer

A) satellite DNA 
B) microsatellite DNA 
C) minisatellite DNA 
D) moderately repeated DNA sequences 
E) unique sequence DNA 
A) satellite DNA 
B) microsatellite DNA 
C) minisatellite DNA 
D) moderately repeated DNA sequences 
E) unique sequence DNA

Question 5

AZT is a drug used to halt the replication of the HIV virus in AIDS patients.Which mechanism of transposition would you expect it to hinder?

Accepted Answer

To replicate,HIV requires reverse transc

Question 6

The genetic rearrangement that Barbara McClintock discovered was called _________ and the mobile genetic elements she discovered were called ________.

Accepted Answer

A) transposition,transposable elements 
B) transposable elements,transposition 
C) transference,transferable elements 
D) mutations,mutable elements 
E) transposition,transposables 
A) transposition,transposable elements 
B) transposable elements,transposition 
C) transference,transferable elements 
D) mutations,mutable elements 
E) transposition,transposables

Question 7

Conserved portions of mammalian genomes are assumed to be _________.

Accepted Answer

A) repeated 
B) important 
C) unimportant 
D) long 
E) extraordinary 
A) repeated 
B) important 
C) unimportant 
D) long 
E) extraordinary

Question 8

A new area of biological study called ________ has emerged that focuses on the ways that proteins work together as complex networks rather than as individual actors.

Accepted Answer

A) systems biology 
B) complex biology 
C) systematics 
D) complexity 
E) networkonics 
A) systems biology 
B) complex biology 
C) systematics 
D) complexity 
E) networkonics

Question 9

While the tall allele for plant height is dominant over the short allele,the round allele for seeds is dominant over the wrinkled allele.If pure-breeding tall plants with wrinkled seeds are mated to pure-breeding short plants with round seeds,what is the genetic makeup of the F1 generation resulting from this cross? If the traits assort independently,what ratio of offspring would be expected in the F2 generation resulting from a cross of two F1 individuals?

Accepted Answer

All of the offspring from the first cros

Question 10

The ends of a polynucleotide chain are the ____ end and the ____ end.

Accepted Answer

A) 5',N-terminal 
B) 3',4' 
C) 3',5' 
D) N-terminal,C-terminal 
E) 3',C-terminal 
A) 5',N-terminal 
B) 3',4' 
C) 3',5' 
D) N-terminal,C-terminal 
E) 3',C-terminal

Question 11

What does it mean if portions of the noncoding regions of the genome are conserved?

Accepted Answer

A) Exons code for proteins. 
B) Exons are not as important as once was thought. 
C) Introns and other supposedly useless,noncoding parts of the genome actually have important,unidentified functions. 
D) Introns have no importance. 
E) Introns must be excised to maintain consistency. 
A) Exons code for proteins. 
B) Exons are not as important as once was thought. 
C) Introns and other supposedly useless,noncoding parts of the genome actually have important,unidentified functions. 
D) Introns have no importance. 
E) Introns must be excised to maintain consistency.

Question 12

What enzyme can create a transient break in one duplex of DNA that results in the relief of torsional stress via the rotation of one strand around the other?

Accepted Answer

This enzym

Question 13

Why is it thought that certain primitive fish diverged from vertebrates before the globin gene was first duplicated?

Accepted Answer

A) The fish are very old. 
B) The fish do not have any hemoglobin. 
C) The hemoglobin of the fish consists of 8 polypeptide subunits. 
D) These fish have only one globin gene instead of multiple globin genes,suggesting that they diverged from other vertebrates before the first duplication of the globin gene. 
E) These fish have four globin genes instead of a single globin gene,suggesting they diverged from other vertebrates before the first duplication of the globin gene. 
A) The fish are very old. 
B) The fish do not have any hemoglobin. 
C) The hemoglobin of the fish consists of 8 polypeptide subunits. 
D) These fish have only one globin gene instead of multiple globin genes,suggesting that they diverged from other vertebrates before the first duplication of the globin gene. 
E) These fish have four globin genes instead of a single globin gene,suggesting they diverged from other vertebrates before the first duplication of the globin gene.

Question 14

The nitrogenous base attaches to the ____-carbon of the nucleotide's sugar.

Accepted Answer

A) 1' 
B) 2' 
C) 3' 
D) 5' 
E) 1 
A) 1' 
B) 2' 
C) 3' 
D) 5' 
E) 1

Question 15

Segmental duplication is ____________.

Accepted Answer

A) the duplication of one base at a time 
B) the duplication of a large block of genetic material (from a few to hundreds of kilobases in length) 
C) the duplication of one chromosome at a time 
D) the duplication of the centromeres alone 
E) the duplication of the mitochondrial DNA alone 
A) the duplication of one base at a time 
B) the duplication of a large block of genetic material (from a few to hundreds of kilobases in length) 
C) the duplication of one chromosome at a time 
D) the duplication of the centromeres alone 
E) the duplication of the mitochondrial DNA alone

Question 16

The bonds that hold DNA and RNA together are known as __________.

Accepted Answer

A) 3'-4'-phosphodiester linkages 
B) 3'-5'-phosphodiester linkages 
C) phosphate esters 
D) 1,4-glycosidic linkages 
E) peptide bond 
A) 3'-4'-phosphodiester linkages 
B) 3'-5'-phosphodiester linkages 
C) phosphate esters 
D) 1,4-glycosidic linkages 
E) peptide bond

Question 17

Who was the first scientist to propose that meiosis included a reduction division?

Accepted Answer

A) Edouard van Beneden 
B) Theodore Boveri 
C) Gregor Mendel 
D) August Weismann 
E) Walther Flemming 
A) Edouard van Beneden 
B) Theodore Boveri 
C) Gregor Mendel 
D) August Weismann 
E) Walther Flemming

Question 18

The HAR1 gene of the human genome _____________.

Accepted Answer

A) has no known function 
B) is expressed primarily in the developing fetal brain 
C) is a gene of interest to those trying to unravel the genomic basis of human brain expansion 
D) has experienced the pronounced effects of natural selection given its variation from the same region in the chimpanzee genome 
E) All of these are correct. 
A) has no known function 
B) is expressed primarily in the developing fetal brain 
C) is a gene of interest to those trying to unravel the genomic basis of human brain expansion 
D) has experienced the pronounced effects of natural selection given its variation from the same region in the chimpanzee genome 
E) All of these are correct.

Question 19

Why would the changes that accumulate in corresponding genes from distantly related organisms be predominantly those that preserve the amino acid sequence?

Accepted Answer

If the amino acid sequence is preserved,

Question 20

The labeled,single-stranded DNAs used to localize the positions of specific complementary DNA sequences within the chromosomes in in situ hybridization studies are called _______.

Accepted Answer

A) altoids 
B) probatives 
C) probes 
D) bindins 
E) prorbs 
A) altoids 
B) probatives 
C) probes 
D) bindins 
E) prorbs

What type of DNA sequence in eukaryotes is most like that found in bacteria and viruses?

A single gene can encode a number of related proteins as a result of a process called _______.

The Law of Independent Assortment states that ____________.

Which type of DNA sequence in the genome is interspersed and probably arose by transposition of mobile genetic elements?

AZT is a drug used to halt the replication of the HIV virus in AIDS patients.Which mechanism of transposition would you expect it to hinder?

The genetic rearrangement that Barbara McClintock discovered was called _ and the mobile genetic elements she discovered were called .

Conserved portions of mammalian genomes are assumed to be _________.

A new area of biological study called ________ has emerged that focuses on the ways that proteins work together as complex networks rather than as individual actors.

The ends of a polynucleotide chain are the end and the end.

What does it mean if portions of the noncoding regions of the genome are conserved?

What enzyme can create a transient break in one duplex of DNA that results in the relief of torsional stress via the rotation of one strand around the other?

Why is it thought that certain primitive fish diverged from vertebrates before the globin gene was first duplicated?

The nitrogenous base attaches to the ____-carbon of the nucleotide's sugar.

Segmental duplication is ____________.

The bonds that hold DNA and RNA together are known as __________.

Who was the first scientist to propose that meiosis included a reduction division?

The HAR1 gene of the human genome _____________.

Why would the changes that accumulate in corresponding genes from distantly related organisms be predominantly those that preserve the amino acid sequence?

The labeled,single-stranded DNAs used to localize the positions of specific complementary DNA sequences within the chromosomes in in situ hybridization studies are called _______.

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes, and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Exam 10: The Nature of the Gene and the Genome

What type of DNA sequence in eukaryotes is most like that found in bacteria and viruses?

A single gene can encode a number of related proteins as a result of a process called _______.

The Law of Independent Assortment states that ____________.

Which type of DNA sequence in the genome is interspersed and probably arose by transposition of mobile genetic elements?

AZT is a drug used to halt the replication of the HIV virus in AIDS patients.Which mechanism of transposition would you expect it to hinder?

The genetic rearrangement that Barbara McClintock discovered was called _________ and the mobile genetic elements she discovered were called ________.

Conserved portions of mammalian genomes are assumed to be _________.

A new area of biological study called ________ has emerged that focuses on the ways that proteins work together as complex networks rather than as individual actors.

The ends of a polynucleotide chain are the ____ end and the ____ end.

What does it mean if portions of the noncoding regions of the genome are conserved?

What enzyme can create a transient break in one duplex of DNA that results in the relief of torsional stress via the rotation of one strand around the other?

Why is it thought that certain primitive fish diverged from vertebrates before the globin gene was first duplicated?

The nitrogenous base attaches to the ____-carbon of the nucleotide's sugar.

Segmental duplication is ____________.

The bonds that hold DNA and RNA together are known as __________.

Who was the first scientist to propose that meiosis included a reduction division?

The HAR1 gene of the human genome _____________.

Why would the changes that accumulate in corresponding genes from distantly related organisms be predominantly those that preserve the amino acid sequence?

The labeled,single-stranded DNAs used to localize the positions of specific complementary DNA sequences within the chromosomes in in situ hybridization studies are called _______.

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes, and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Cytoskeleton and Cell Motility

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

The genetic rearrangement that Barbara McClintock discovered was called _ and the mobile genetic elements she discovered were called .

The ends of a polynucleotide chain are the end and the end.