Question 1

Adding acetyl groups to a histone regulates gene expression by allowing transcription to proceed by

Accepted Answer

A)  ​increasing the pH of the cell. 
B)  ​loosening the DNA wound around the histone. 
C)  ​modifying the nucleotides of the promoter region of the DNA molecule. 
D)  ​enhancing the activity of RNA polymerase. 
E)  ​enhancing the development of a DNA-RNA hybrid. 
A)  ​increasing the pH of the cell. 
B)  ​loosening the DNA wound around the histone. 
C)  ​modifying the nucleotides of the promoter region of the DNA molecule. 
D)  ​enhancing the activity of RNA polymerase. 
E)  ​enhancing the development of a DNA-RNA hybrid.

Question 2

The prokaryote operon model explains gene regulation at the level of

Accepted Answer

A)  ​replication. 
B)  ​transcription. 
C)  ​transcript processing. 
D)  ​transcript transport. 
E)  ​translation. 
A)  ​replication. 
B)  ​transcription. 
C)  ​transcript processing. 
D)  ​transcript transport. 
E)  ​translation.

Question 3

The rate at which mRNA is processed by ribosomes is an example of

Accepted Answer

A)  ​transcriptional control. 
B)  ​transcript processing control. 
C)  ​transport control. 
D)  ​translational control. 
E)  ​post-translational control. 
A)  ​transcriptional control. 
B)  ​transcript processing control. 
C)  ​transport control. 
D)  ​translational control. 
E)  ​post-translational control.

Exam 10: Gene Control

Adding acetyl groups to a histone regulates gene expression by allowing transcription to proceed by

The prokaryote operon model explains gene regulation at the level of

The rate at which mRNA is processed by ribosomes is an example of

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters