Chapter 19: Eukaryotic Genomes: Organization, Regulation, and Evolution
 
Activities Quiz
 

Activities Quiz


1 .       The letter A indicates _____. (Activity: DNA Packing)

question #1 

 supercoils
 a nucleosome
 a DNA double helix
 histones
 loops


2 .       Where would RNA polymerase attach? (Activity: DNA Packing)

question #2 

 A
 B
 C
 A and B
 B and C


3 .       The letter C indicates _____. (Activity: DNA Packing)

question #3 

 supercoils
 a nucleosome
 a DNA double helix
 histones
 loops


4 .       What is this an image of? (Activity: DNA Packing)

question #4 

 supercoils
 a nucleosome
 a DNA double helix
 histones
 loops


5 .       What is this an image of? (Activity: DNA Packing)

question #5 

 supercoils
 a nucleosome
 a DNA double helix
 histones
 loops


6 .       Click on the diagram to begin the animation.
What name is given to this process? (Activity: Gene Amplification, Loss, and Rearrangement)

 

 selective gene loss
 gene amplification
 DNA unpacking
 rearrangement
 DNA packing


7 .       Rearrangement of the genome plays an important role in the _____ system. (Activity: Gene Amplification, Loss, and Rearrangement) 

 endocrine
 reproductive
 nervous
 immune
 respiratory


8 .       Which of these animations illustrates selective gene loss?
You will need to click on each choice to view the animation. (Activity: Gene Amplification, Loss, and Rearrangement) 

 
 
 
 
 none of the above


9 .       The process of transcription is indicated by the letter _____. (Activity: Overview: Control of Gene Expression)

question #9 

 A
 B
 C
 D
 E


10 .       The letter E is indicating a process of gene expression that involves _____. (Activity: Overview: Control of Gene Expression)

question #10 

 transcription
 breakdown of mRNA
 translation of mRNA
 protein breakdown
 unpacking of DNA


11 .       RNA processing is indicated by the letter _____. (Activity: Overview: Control of Gene Expression)

question #11 

 A
 B
 C
 D
 E


12 .       Which of the following processes is NOT indicated by the label A, B, C, D, or E? (Activity: Overview: Control of Gene Expression)

question #12 

 translation
 RNA transcription
 export of mRNA
 DNA unpacking
 RNA processing


13 .       _____ bind(s) to DNA enhancer regions. (Activity: Control of Transcription) 

 RNA polymerase
 Promoters
 Introns
 Activators
 Exons


14 .       Click on the diagram to view the animation. What is the event that IMMEDIATELY follows the last event of this animation? (Activity: Control of Transcription)

 

 unbending of the DNA and the release of RNA polymerase from the promoter
 binding of the activators to enhancers
 transcription
 binding of mRNA to the smaller ribosomal subunit
 binding of RNA polymerase to the promoter


15 .       Which of these indicates an enhancer region? (Activity: Control of Transcription)

question #15 

 A
 B
 C
 D
 C and D


16 .       Which of these directly bind(s) to the promoter? (Activity: Control of Transcription)

question #16 

 A
 B
 C
 D
 C and D


17 .       How can a single RNA transcript lead to the translation of different proteins? (Activity: Post-Transcriptional Control Mechanisms) 

 The same RNA transcript may contain one of several different 5' untranslated regions.
 The same RNA transcript may contain one of several different caps.
 The same RNA transcript may be spliced in several different ways.
 The same RNA transcript may contain one of several different promoters.
 The same RNA transcript may contain one of several different 3' untranslated regions.


18 .       The mRNA region to which this regulatory protein is bound is called the _____. (Activity: Post-Transcriptional Control Mechanisms)

question #18 

 stop codon
 3' untranslated region
 5' untranslated region
 3' end
 poly-A tail


19 .       In the cytoplasm, the mRNA degradation begins at its _____. (Activity: Post-Transcriptional Control Mechanisms) 

 introns
 cap
 5' end
 poly-A tail
 exons


20 .       A poly-A tail's resistance to degradation is affected by the characteristics of the _____. (Activity: Post-Transcriptional Control Mechanisms) 

 3' untranslated region
 promoter
 stop codon
 enhancer
 5' untranslated region


21 .       Enzyme complexes that break down protein are called _____. (Activity: Post-Transcriptional Control Mechanisms) 

 lipases
 ubiquitins
 amylase
 proteasomes
 nucleases


22 .       The nuclear membrane's role in the regulation of gene expression involves _____. (Activity: Review: Control of Gene Expression) 

 protein activation
 translation
 protein degradation
 regulating the transport of mRNA to the cytoplasm
 RNA processing


23 .       What is the function of a spliceosome? (Activity: Review: Control of Gene Expression) 

 protein activation
 translation
 protein degradation
 regulating the transport of mRNA to the cytoplasm
 RNA processing


24 .       Protein-phosphorylating enzymes' role in the regulation of gene expression involves _____. (Activity: Review: Control of Gene Expression) 

 protein activation
 translation
 protein degradation
 regulating the transport of mRNA to the cytoplasm
 RNA processing


25 .       _____ is a carcinogen that promotes colon cancer. (Activity: Causes of Cancer) 

 fat
 UV light
 estrogen
 a virus
 testosterone







©;2005 Pearson Education, Inc., publishing as Benjamin Cummings.