Question 1

When a DNA promoter sequence is methylated, ____.

Accepted Answer

A)  it is permanently silenced because the methyl group can never be removed 
B)  it is temporarily silenced because the methyl group can be removed 
C)  it is perpetually transcribed because the methyl group can never be removed 
D)  it is temporarily transcribed because the methyl group can be removed 
E)  the impact on expression depends on the gene being controlled by the promoter 
A)  it is permanently silenced because the methyl group can never be removed 
B)  it is temporarily silenced because the methyl group can be removed 
C)  it is perpetually transcribed because the methyl group can never be removed 
D)  it is temporarily transcribed because the methyl group can be removed 
E)  the impact on expression depends on the gene being controlled by the promoter

Question 2

Describe the relationships between induction, determination, and differentiation.

Accepted Answer

Induction is when a group of cells cause

Question 3

Which level of regulation directly determines the rate at which proteins are made?

Accepted Answer

A)  transcriptional regulation 
B)  posttranscriptional regulation 
C)  translational regulation 
D)  posttranslational regulation 
E)  chromatin remodeling regulation 
A)  transcriptional regulation 
B)  posttranscriptional regulation 
C)  translational regulation 
D)  posttranslational regulation 
E)  chromatin remodeling regulation

Question 4

p53 is a ____.

Accepted Answer

A)  transcription factor that turns on the expression of cell-division-inhibiting proteins 
B)  protein encoded by an oncogene 
C)  protein that promotes entry into the cell cycle when DNA is undamaged 
D)  hormone used to treat cancer 
E)  growth-promoting factor 
A)  transcription factor that turns on the expression of cell-division-inhibiting proteins 
B)  protein encoded by an oncogene 
C)  protein that promotes entry into the cell cycle when DNA is undamaged 
D)  hormone used to treat cancer 
E)  growth-promoting factor

Exam 16: Regulation of Gene Expression

When a DNA promoter sequence is methylated, ____.

Describe the relationships between induction, determination, and differentiation.

Which level of regulation directly determines the rate at which proteins are made?

p53 is a ____.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

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