Question 1

The figure below illustrates ________.

Accepted Answer

A) transcription factors 
B) activators 
C) alternative RNA splicing 
D) protein activation 
A) transcription factors 
B) activators 
C) alternative RNA splicing 
D) protein activation

Question 2

Examine the figure below.The initiation of transcription requires that enhancers bind to ________.

Accepted Answer

A) DNA 
B) the promoter 
C) transcription factors 
D) RNA polymerase 
A) DNA 
B) the promoter 
C) transcription factors 
D) RNA polymerase

Question 3

Which of the following turns off transcription by binding to the operator?

Accepted Answer

A) RNA polymerase 
B) repressor 
C) promoter 
D) lactose 
A) RNA polymerase 
B) repressor 
C) promoter 
D) lactose

Question 4

In bacteria,what name is given to a cluster of genes with related functions,along with their DNA control sequences?

Accepted Answer

A) operon 
B) operator 
C) promoter 
D) exon 
A) operon 
B) operator 
C) promoter 
D) exon

Question 5

If you were working for a pharmaceutical company trying to develop anticancer drugs,what biological process would be the best target to investigate?

Accepted Answer

A) meiosis 
B) mitosis 
C) cellular respiration 
D) glycolysis 
A) meiosis 
B) mitosis 
C) cellular respiration 
D) glycolysis

Question 6

What would be the best experiment to do next to determine if complete hexokinase gene expression is temperature dependent?

Accepted Answer

A) Measure the amount of hexokinase mRNA in cells at different temperatures. 
B) Measure the rate of transcription of the hexokinase gene in cells at different temperatures. 
C) Measure the amount of mRNA that is broken down in cells at different temperatures. 
D) Measure the amount of hexokinase protein in cells at different temperatures. 
A) Measure the amount of hexokinase mRNA in cells at different temperatures. 
B) Measure the rate of transcription of the hexokinase gene in cells at different temperatures. 
C) Measure the amount of mRNA that is broken down in cells at different temperatures. 
D) Measure the amount of hexokinase protein in cells at different temperatures.

Question 7

Which of these is most likely to cause the development of a six-legged frog?

Accepted Answer

A) mutation of homeotic genes 
B) binding of repressors to operons 
C) a mutation in DNA polymerase that affects all cells 
D) conversion of a proto-oncogene to an oncogene 
A) mutation of homeotic genes 
B) binding of repressors to operons 
C) a mutation in DNA polymerase that affects all cells 
D) conversion of a proto-oncogene to an oncogene

Question 8

Male tortoiseshell cats ________.

Accepted Answer

A) do not have an X chromosome 
B) have orange and black patches of fur that reflect the pattern of X chromosome inactivation 
C) are usually XYY individuals 
D) are likely to be exceedingly rare and very likely to be sterile since normal male cats are XY 
A) do not have an X chromosome 
B) have orange and black patches of fur that reflect the pattern of X chromosome inactivation 
C) are usually XYY individuals 
D) are likely to be exceedingly rare and very likely to be sterile since normal male cats are XY

Question 9

What would enable a single RNA transcript to be translated into different polypeptides?

Accepted Answer

A) The RNA transcript can be spliced more than one way. 
B) The coded polypeptide may be modified in more than one way. 
C) The length of the RNA transcript tail can vary. 
D) Two different genes can produce the same RNA transcript,which will then be translated differently. 
A) The RNA transcript can be spliced more than one way. 
B) The coded polypeptide may be modified in more than one way. 
C) The length of the RNA transcript tail can vary. 
D) Two different genes can produce the same RNA transcript,which will then be translated differently.

The figure below illustrates ________.

Examine the figure below.The initiation of transcription requires that enhancers bind to ________.

Which of the following turns off transcription by binding to the operator?

In bacteria,what name is given to a cluster of genes with related functions,along with their DNA control sequences?

If you were working for a pharmaceutical company trying to develop anticancer drugs,what biological process would be the best target to investigate?

What would be the best experiment to do next to determine if complete hexokinase gene expression is temperature dependent?

Which of these is most likely to cause the development of a six-legged frog?

Male tortoiseshell cats ________.

What would enable a single RNA transcript to be translated into different polypeptides?

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

Filters

Exam 11: How Genes Are Controlled

The figure below illustrates ________.

Examine the figure below.The initiation of transcription requires that enhancers bind to ________.

Which of the following turns off transcription by binding to the operator?

In bacteria,what name is given to a cluster of genes with related functions,along with their DNA control sequences?

If you were working for a pharmaceutical company trying to develop anticancer drugs,what biological process would be the best target to investigate?

What would be the best experiment to do next to determine if complete hexokinase gene expression is temperature dependent?

Which of these is most likely to cause the development of a six-legged frog?

Male tortoiseshell cats ________.

What would enable a single RNA transcript to be translated into different polypeptides?

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

Filters