Exam 14: Gene Regulation

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MATCHING Match the type of gene regulation with the process. a.regulation of transcription d.regulation of translation b.regulation of mRNA processing e.regulation of chromatin c.regulation of mRNA transport -Degradation of mRNA

(Essay)

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Question 41

Repressible genes are usually actively transcribed when:

(Multiple Choice)

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Question 42

Eukaryotic transcription factors:

(Multiple Choice)

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Question 43

The binding of active CAP near the lac operon promoter decreases the rate of transcription of the lac operon. __________________

(True/False)

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Question 44

Eukaryotic enhancers are capable of which of the following EXCEPT ?

(Multiple Choice)

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Question 45

Upstream promoter elements in eukaryotes are:

(Multiple Choice)

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Question 46

Increasing the stability of a particular mRNA __________ the expression of that gene.

(Multiple Choice)

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Question 47

DNA methylation is a form of transcriptional regulation by eukaryotes. ____________________

(True/False)

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Question 48

Which of the following statements concerning gene regulation in eukaryotes is FALSE?

(Multiple Choice)

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Question 49

Catabolite activator protein:

(Multiple Choice)

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Question 50

Genes that encode proteins that are always needed are called:

(Multiple Choice)

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Question 51

Outline the various ways in which chromosomes can regulate how much of an enzyme is present at any given time within a eukaryotic cell.

(Essay)

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Question 52

When the intracellular level of lactose drops, the repressor protein binds to the operator and shuts down translation. __________________

(True/False)

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Question 53

Much gene expression in multicelluar organisms focuses on quantitative gene expression of the genes in various tissues. __________________

(True/False)

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Question 54

Figure 14-1 Use the figure to answer the corresponding question(s). -Refer to Figure 14-1.The area of the tryptophan operon labeled 3 is the:

(Multiple Choice)

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Question 55

The leucine zipper has a unique structure compared to the other transcription factors because it is a dimer. __________________

(True/False)

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Question 56

An activator protein would have which of the following effects on an operon with a positive control mechanism?

(Multiple Choice)

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Question 57

MATCHING Match the type of gene regulation with the process. a.regulation of transcription d.regulation of translation b.regulation of mRNA processing e.regulation of chromatin c.regulation of mRNA transport -Sketch the main elements of an inducible operon, such as the lactose operon, and explain the functions of the operator and promoter regions.

(Essay)

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Question 58

Which of the following statements concerning leucine zipper proteins is FALSE?

(Multiple Choice)

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Question 59

The rate of eukaryotic transcription after initiation is affected by:

(Multiple Choice)

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Question 60

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Exam 14: Gene Regulation

MATCHING Match the type of gene regulation with the process. a.regulation of transcription d.regulation of translation b.regulation of mRNA processing e.regulation of chromatin c.regulation of mRNA transport -Degradation of mRNA

Repressible genes are usually actively transcribed when:

Eukaryotic transcription factors:

The binding of active CAP near the lac operon promoter decreases the rate of transcription of the lac operon. __________________

Eukaryotic enhancers are capable of which of the following EXCEPT ?

Upstream promoter elements in eukaryotes are:

Increasing the stability of a particular mRNA __________ the expression of that gene.

DNA methylation is a form of transcriptional regulation by eukaryotes. ____________________

Which of the following statements concerning gene regulation in eukaryotes is FALSE?

Catabolite activator protein:

Genes that encode proteins that are always needed are called:

Outline the various ways in which chromosomes can regulate how much of an enzyme is present at any given time within a eukaryotic cell.

When the intracellular level of lactose drops, the repressor protein binds to the operator and shuts down translation. __________________

Much gene expression in multicelluar organisms focuses on quantitative gene expression of the genes in various tissues. __________________

Figure 14-1 Use the figure to answer the corresponding question(s). -Refer to Figure 14-1.The area of the tryptophan operon labeled 3 is the:

The leucine zipper has a unique structure compared to the other transcription factors because it is a dimer. __________________

An activator protein would have which of the following effects on an operon with a positive control mechanism?

Which of the following statements concerning leucine zipper proteins is FALSE?

The rate of eukaryotic transcription after initiation is affected by:

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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